Makefile.in (CFILES): Add lrealpath.c.
* Makefile.in (CFILES): Add lrealpath.c. (REQUIRED_OFILES): Add lrealpath.o. (lrealpath.o): Add rule. * aclocal.m4 (libiberty_NEED_DECLARATION): Add. * configure.in: Add realpath and canonicalize_file_name to checkfuncs and AC_CHECK_FUNCS. Use libiberty_NEED_DECLARATION for canonicalize_file_name. * lrealpath.c: New file. * make-relative-prefix.c: Update documentation. (make_relative_prefix): Simplify. Use lbasename and lrealpath. * config.in: Regenerated. * configure: Regenerated. * functions.texi: Regenerated. From-SVN: r63186
This commit is contained in:
Daniel Jacobowitz
Daniel Jacobowitz
parent
378ca31ee5
commit
4876b2b427
@ -1,3 +1,19 @@
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2003-02-20 Daniel Jacobowitz <drow@mvista.com>
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* Makefile.in (CFILES): Add lrealpath.c.
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(REQUIRED_OFILES): Add lrealpath.o.
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(lrealpath.o): Add rule.
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* aclocal.m4 (libiberty_NEED_DECLARATION): Add.
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* configure.in: Add realpath and canonicalize_file_name to
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checkfuncs and AC_CHECK_FUNCS. Use libiberty_NEED_DECLARATION
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for canonicalize_file_name.
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* lrealpath.c: New file.
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* make-relative-prefix.c: Update documentation.
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(make_relative_prefix): Simplify. Use lbasename and lrealpath.
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* config.in: Regenerated.
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* configure: Regenerated.
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* functions.texi: Regenerated.
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2003-02-20 jmc <jmc@prioris.mini.pw.edu.pl>
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* cplus_dem.c: Fix typo: intializes -> initializes.
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@ -137,6 +137,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
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hashtab.c hex.c \
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index.c insque.c \
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lbasename.c \
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lrealpath.c \
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make-relative-prefix.c \
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make-temp-file.c md5.c memchr.c memcmp.c memcpy.c memmove.c \
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memset.c mkstemps.c \
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@ -165,6 +166,7 @@ REQUIRED_OFILES = regex.o cplus-dem.o cp-demangle.o md5.o \
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getopt.o getopt1.o getpwd.o getruntime.o \
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hashtab.o hex.o \
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lbasename.o \
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lrealpath.o \
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make-relative-prefix.o \
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make-temp-file.o \
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objalloc.o obstack.o \
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@ -443,6 +445,7 @@ hashtab.o: config.h $(INCDIR)/ansidecl.h $(INCDIR)/hashtab.h \
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hex.o: $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
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lbasename.o: $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h \
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$(INCDIR)/safe-ctype.h
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lrealpath.o: config.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
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make-relative-prefix.o: config.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
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make-temp-file.o: config.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
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md5.o: config.h $(INCDIR)/ansidecl.h $(INCDIR)/md5.h
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29
libiberty/aclocal.m4
vendored
29
libiberty/aclocal.m4
vendored
@ -87,6 +87,35 @@ then AC_DEFINE(NEED_DECLARATION_ERRNO, 1,
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fi
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])
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dnl See whether we need a declaration for a function.
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AC_DEFUN(libiberty_NEED_DECLARATION,
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[AC_MSG_CHECKING([whether $1 must be declared])
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AC_CACHE_VAL(libiberty_cv_decl_needed_$1,
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[AC_TRY_COMPILE([
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#include "confdefs.h"
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#include <stdio.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif],
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[char *(*pfn) = (char *(*)) $1],
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libiberty_cv_decl_needed_$1=no, libiberty_cv_decl_needed_$1=yes)])
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AC_MSG_RESULT($libiberty_cv_decl_needed_$1)
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if test $libiberty_cv_decl_needed_$1 = yes; then
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AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
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[Define if $1 is not declared in system header files.])
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fi
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])dnl
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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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# are probably using a cross compiler, which will not be able to fully
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@ -1,4 +1,4 @@
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/* config.in. Generated automatically from configure.in by autoheader. */
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/* config.in. Generated automatically from configure.in by autoheader 2.13. */
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/* Define to empty if the keyword does not work. */
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#undef const
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@ -63,6 +63,9 @@
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/* Define if you have the calloc function. */
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#undef HAVE_CALLOC
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/* Define if you have the canonicalize_file_name function. */
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#undef HAVE_CANONICALIZE_FILE_NAME
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/* Define if you have the clock function. */
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#undef HAVE_CLOCK
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@ -117,6 +120,9 @@
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/* Define if you have the random function. */
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#undef HAVE_RANDOM
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/* Define if you have the realpath function. */
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#undef HAVE_REALPATH
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/* Define if you have the rename function. */
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#undef HAVE_RENAME
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@ -258,3 +264,6 @@
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STACK_DIRECTION = 0 => direction of growth unknown */
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#undef STACK_DIRECTION
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/* Define if canonicalize_file_name is not declared in system header files. */
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#undef NEED_DECLARATION_CANONICALIZE_FILE_NAME
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263
libiberty/configure
vendored
263
libiberty/configure
vendored
@ -1738,6 +1738,7 @@ funcs="$funcs waitpid"
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vars="sys_errlist sys_nerr sys_siglist"
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checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
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checkfuncs="$checkfuncs realpath canonicalize_file_name"
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# These are neither executed nor required, but they help keep
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# autoheader happy without adding a bunch of text to acconfig.h.
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@ -1745,12 +1746,12 @@ if test "x" = "y"; then
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for ac_func in asprintf atexit basename bcmp bcopy bsearch bzero calloc clock
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1749: checking for $ac_func" >&5
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echo "configure:1750: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1754 "configure"
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#line 1755 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1773,7 +1774,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1800,12 +1801,12 @@ done
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for ac_func in getcwd getpagesize index insque mkstemps memchr memcmp memcpy
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1804: checking for $ac_func" >&5
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echo "configure:1805: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1809 "configure"
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#line 1810 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1828,7 +1829,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1832: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1855,12 +1856,12 @@ done
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for ac_func in memmove memset putenv random rename rindex sigsetmask
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1859: checking for $ac_func" >&5
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echo "configure:1860: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1864 "configure"
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#line 1865 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1883,7 +1884,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1910,12 +1911,12 @@ done
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for ac_func in strcasecmp setenv strchr strdup strncasecmp strrchr strstr
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1914: checking for $ac_func" >&5
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echo "configure:1915: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1919 "configure"
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#line 1920 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1938,7 +1939,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1965,12 +1966,12 @@ done
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for ac_func in strtod strtol strtoul tmpnam vasprintf vfprintf vprintf
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1969: checking for $ac_func" >&5
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echo "configure:1970: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1974 "configure"
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#line 1975 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1993,7 +1994,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1997: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -2020,12 +2021,12 @@ done
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for ac_func in vsprintf waitpid getrusage on_exit psignal strerror strsignal
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:2024: checking for $ac_func" >&5
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echo "configure:2025: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 2029 "configure"
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#line 2030 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -2048,7 +2049,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:2052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:2053: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -2075,12 +2076,12 @@ done
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for ac_func in sysconf times sbrk gettimeofday ffs
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:2079: checking for $ac_func" >&5
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echo "configure:2080: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 2084 "configure"
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#line 2085 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -2103,7 +2104,62 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:2107: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:2108: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=no"
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fi
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rm -f conftest*
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fi
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if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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cat >> confdefs.h <<EOF
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#define $ac_tr_func 1
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EOF
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else
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echo "$ac_t""no" 1>&6
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fi
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done
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for ac_func in realpath canonicalize_file_name
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:2135: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 2140 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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#include <assert.h>
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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builtin and then its argument prototype would still apply. */
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char $ac_func();
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int main() {
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/* The GNU C library defines this for functions which it implements
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to always fail with ENOSYS. Some functions are actually named
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something starting with __ and the normal name is an alias. */
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#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
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choke me
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#else
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$ac_func();
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:2163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -2333,7 +2389,7 @@ if test -z "${setobjs}"; then
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# We haven't set the list of objects yet. Use the standard autoconf
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# tests. This will only work if the compiler works.
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echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
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echo "configure:2337: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
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echo "configure:2393: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
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ac_ext=c
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# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
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@ -2344,12 +2400,12 @@ cross_compiling=$ac_cv_prog_cc_cross
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cat > conftest.$ac_ext << EOF
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#line 2348 "configure"
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#line 2404 "configure"
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#include "confdefs.h"
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main(){return(0);}
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EOF
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if { (eval echo configure:2353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
ac_cv_prog_cc_works=yes
|
||||
# If we can't run a trivial program, we are probably using a cross compiler.
|
||||
if (./conftest; exit) 2>/dev/null; then
|
||||
@ -2375,19 +2431,19 @@ if test $ac_cv_prog_cc_works = no; then
|
||||
{ echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
|
||||
fi
|
||||
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
|
||||
echo "configure:2379: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
|
||||
echo "configure:2435: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
|
||||
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
|
||||
cross_compiling=$ac_cv_prog_cc_cross
|
||||
|
||||
for ac_func in $funcs
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:2386: checking for $ac_func" >&5
|
||||
echo "configure:2442: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2391 "configure"
|
||||
#line 2447 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -2410,7 +2466,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2414: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -2437,12 +2493,12 @@ done
|
||||
|
||||
|
||||
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
|
||||
echo "configure:2441: checking whether alloca needs Cray hooks" >&5
|
||||
echo "configure:2497: checking whether alloca needs Cray hooks" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2446 "configure"
|
||||
#line 2502 "configure"
|
||||
#include "confdefs.h"
|
||||
#if defined(CRAY) && ! defined(CRAY2)
|
||||
webecray
|
||||
@ -2467,12 +2523,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
|
||||
if test $ac_cv_os_cray = yes; then
|
||||
for ac_func in _getb67 GETB67 getb67; do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:2471: checking for $ac_func" >&5
|
||||
echo "configure:2527: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2476 "configure"
|
||||
#line 2532 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -2495,7 +2551,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2555: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -2521,7 +2577,7 @@ fi
|
||||
fi
|
||||
|
||||
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
|
||||
echo "configure:2525: checking stack direction for C alloca" >&5
|
||||
echo "configure:2581: checking stack direction for C alloca" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -2529,7 +2585,7 @@ else
|
||||
ac_cv_c_stack_direction=0
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2533 "configure"
|
||||
#line 2589 "configure"
|
||||
#include "confdefs.h"
|
||||
find_stack_direction ()
|
||||
{
|
||||
@ -2548,7 +2604,7 @@ main ()
|
||||
exit (find_stack_direction() < 0);
|
||||
}
|
||||
EOF
|
||||
if { (eval echo configure:2552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:2608: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_c_stack_direction=1
|
||||
else
|
||||
@ -2570,17 +2626,17 @@ EOF
|
||||
|
||||
ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
|
||||
echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
|
||||
echo "configure:2574: checking for vfork.h" >&5
|
||||
echo "configure:2630: checking for vfork.h" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2579 "configure"
|
||||
#line 2635 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <vfork.h>
|
||||
EOF
|
||||
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
|
||||
{ (eval echo configure:2584: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
{ (eval echo configure:2640: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
|
||||
if test -z "$ac_err"; then
|
||||
rm -rf conftest*
|
||||
@ -2605,18 +2661,18 @@ else
|
||||
fi
|
||||
|
||||
echo $ac_n "checking for working vfork""... $ac_c" 1>&6
|
||||
echo "configure:2609: checking for working vfork" >&5
|
||||
echo "configure:2665: checking for working vfork" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
if test "$cross_compiling" = yes; then
|
||||
echo $ac_n "checking for vfork""... $ac_c" 1>&6
|
||||
echo "configure:2615: checking for vfork" >&5
|
||||
echo "configure:2671: checking for vfork" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2620 "configure"
|
||||
#line 2676 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char vfork(); below. */
|
||||
@ -2639,7 +2695,7 @@ vfork();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2699: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_vfork=yes"
|
||||
else
|
||||
@ -2661,7 +2717,7 @@ fi
|
||||
ac_cv_func_vfork_works=$ac_cv_func_vfork
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2665 "configure"
|
||||
#line 2721 "configure"
|
||||
#include "confdefs.h"
|
||||
/* Thanks to Paul Eggert for this test. */
|
||||
#include <stdio.h>
|
||||
@ -2756,7 +2812,7 @@ main() {
|
||||
}
|
||||
}
|
||||
EOF
|
||||
if { (eval echo configure:2760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:2816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_func_vfork_works=yes
|
||||
else
|
||||
@ -2788,12 +2844,12 @@ fi
|
||||
for ac_func in _doprnt
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:2792: checking for $ac_func" >&5
|
||||
echo "configure:2848: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2797 "configure"
|
||||
#line 2853 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -2816,7 +2872,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2820: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -2846,12 +2902,12 @@ done
|
||||
for ac_func in _doprnt
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:2850: checking for $ac_func" >&5
|
||||
echo "configure:2906: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2855 "configure"
|
||||
#line 2911 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -2874,7 +2930,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2934: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -2902,19 +2958,19 @@ done
|
||||
|
||||
for v in $vars; do
|
||||
echo $ac_n "checking for $v""... $ac_c" 1>&6
|
||||
echo "configure:2906: checking for $v" >&5
|
||||
echo "configure:2962: checking for $v" >&5
|
||||
if eval "test \"`echo '$''{'libiberty_cv_var_$v'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2911 "configure"
|
||||
#line 2967 "configure"
|
||||
#include "confdefs.h"
|
||||
int *p;
|
||||
int main() {
|
||||
extern int $v []; p = $v;
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2918: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:2974: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "libiberty_cv_var_$v=yes"
|
||||
else
|
||||
@ -2940,12 +2996,12 @@ EOF
|
||||
for ac_func in $checkfuncs
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:2944: checking for $ac_func" >&5
|
||||
echo "configure:3000: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2949 "configure"
|
||||
#line 3005 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -2968,7 +3024,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2972: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:3028: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -2992,6 +3048,54 @@ else
|
||||
fi
|
||||
done
|
||||
|
||||
echo $ac_n "checking whether canonicalize_file_name must be declared""... $ac_c" 1>&6
|
||||
echo "configure:3053: checking whether canonicalize_file_name must be declared" >&5
|
||||
if eval "test \"`echo '$''{'libiberty_cv_decl_needed_canonicalize_file_name'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 3058 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#include "confdefs.h"
|
||||
#include <stdio.h>
|
||||
#ifdef HAVE_STRING_H
|
||||
#include <string.h>
|
||||
#else
|
||||
#ifdef HAVE_STRINGS_H
|
||||
#include <strings.h>
|
||||
#endif
|
||||
#endif
|
||||
#ifdef HAVE_STDLIB_H
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
#ifdef HAVE_UNISTD_H
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
int main() {
|
||||
char *(*pfn) = (char *(*)) canonicalize_file_name
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:3080: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
libiberty_cv_decl_needed_canonicalize_file_name=no
|
||||
else
|
||||
echo "configure: failed program was:" >&5
|
||||
cat conftest.$ac_ext >&5
|
||||
rm -rf conftest*
|
||||
libiberty_cv_decl_needed_canonicalize_file_name=yes
|
||||
fi
|
||||
rm -f conftest*
|
||||
fi
|
||||
|
||||
echo "$ac_t""$libiberty_cv_decl_needed_canonicalize_file_name" 1>&6
|
||||
if test $libiberty_cv_decl_needed_canonicalize_file_name = yes; then
|
||||
cat >> confdefs.h <<\EOF
|
||||
#define NEED_DECLARATION_CANONICALIZE_FILE_NAME 1
|
||||
EOF
|
||||
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
# Figure out which version of pexecute to use.
|
||||
@ -3004,21 +3108,21 @@ case "${host}" in
|
||||
esac
|
||||
|
||||
|
||||
for ac_hdr in stdlib.h unistd.h sys/stat.h sys/types.h
|
||||
for ac_hdr in unistd.h
|
||||
do
|
||||
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
|
||||
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
|
||||
echo "configure:3012: checking for $ac_hdr" >&5
|
||||
echo "configure:3116: checking for $ac_hdr" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 3017 "configure"
|
||||
#line 3121 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <$ac_hdr>
|
||||
EOF
|
||||
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
|
||||
{ (eval echo configure:3022: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
{ (eval echo configure:3126: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
|
||||
if test -z "$ac_err"; then
|
||||
rm -rf conftest*
|
||||
@ -3047,12 +3151,12 @@ done
|
||||
for ac_func in getpagesize
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:3051: checking for $ac_func" >&5
|
||||
echo "configure:3155: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 3056 "configure"
|
||||
#line 3160 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
@ -3075,7 +3179,7 @@ $ac_func();
|
||||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:3079: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:3183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
@ -3100,7 +3204,7 @@ fi
|
||||
done
|
||||
|
||||
echo $ac_n "checking for working mmap""... $ac_c" 1>&6
|
||||
echo "configure:3104: checking for working mmap" >&5
|
||||
echo "configure:3208: checking for working mmap" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3108,7 +3212,7 @@ else
|
||||
ac_cv_func_mmap_fixed_mapped=no
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 3112 "configure"
|
||||
#line 3216 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
/* Thanks to Mike Haertel and Jim Avera for this test.
|
||||
@ -3136,24 +3240,11 @@ else
|
||||
#include <fcntl.h>
|
||||
#include <sys/mman.h>
|
||||
|
||||
#if HAVE_SYS_TYPES_H
|
||||
# include <sys/types.h>
|
||||
#endif
|
||||
|
||||
#if HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
#endif
|
||||
|
||||
#if HAVE_SYS_STAT_H
|
||||
# include <sys/stat.h>
|
||||
#endif
|
||||
|
||||
#if HAVE_UNISTD_H
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
|
||||
/* This mess was copied from the GNU getpagesize.h. */
|
||||
#ifndef HAVE_GETPAGESIZE
|
||||
# ifdef HAVE_UNISTD_H
|
||||
# include <unistd.h>
|
||||
# endif
|
||||
|
||||
/* Assume that all systems that can run configure have sys/param.h. */
|
||||
# ifndef HAVE_SYS_PARAM_H
|
||||
@ -3261,7 +3352,7 @@ main()
|
||||
}
|
||||
|
||||
EOF
|
||||
if { (eval echo configure:3265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:3356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_func_mmap_fixed_mapped=yes
|
||||
else
|
||||
@ -3285,7 +3376,7 @@ fi
|
||||
|
||||
|
||||
echo $ac_n "checking for working strncmp""... $ac_c" 1>&6
|
||||
echo "configure:3289: checking for working strncmp" >&5
|
||||
echo "configure:3380: checking for working strncmp" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_strncmp_works'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3293,7 +3384,7 @@ else
|
||||
ac_cv_func_strncmp_works=no
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 3297 "configure"
|
||||
#line 3388 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
/* Test by Jim Wilson and Kaveh Ghazi.
|
||||
@ -3357,7 +3448,7 @@ main ()
|
||||
}
|
||||
|
||||
EOF
|
||||
if { (eval echo configure:3361: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:3452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_func_strncmp_works=yes
|
||||
else
|
||||
|
||||
@ -207,6 +207,7 @@ funcs="$funcs waitpid"
|
||||
vars="sys_errlist sys_nerr sys_siglist"
|
||||
|
||||
checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
|
||||
checkfuncs="$checkfuncs realpath canonicalize_file_name"
|
||||
|
||||
# These are neither executed nor required, but they help keep
|
||||
# autoheader happy without adding a bunch of text to acconfig.h.
|
||||
@ -218,6 +219,7 @@ if test "x" = "y"; then
|
||||
AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
|
||||
AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
|
||||
AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs)
|
||||
AC_CHECK_FUNCS(realpath canonicalize_file_name)
|
||||
AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
|
||||
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
|
||||
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
|
||||
@ -424,6 +426,7 @@ if test -z "${setobjs}"; then
|
||||
fi
|
||||
done
|
||||
AC_CHECK_FUNCS($checkfuncs)
|
||||
libiberty_NEED_DECLARATION(canonicalize_file_name)
|
||||
fi
|
||||
|
||||
# Figure out which version of pexecute to use.
|
||||
|
||||
@ -392,19 +392,38 @@ and a path ending in @code{/} returns the empty string after it.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c lrealpath.c:25
|
||||
@deftypefn Replacement {const char*} lrealpath (const char *@var{name})
|
||||
|
||||
Given a pointer to a string containing a pathname, returns a canonical
|
||||
version of the filename. Symlinks will be resolved, and ``.'' and ``..''
|
||||
components will be simplified. The returned value will be allocated using
|
||||
@code{xmalloc} or @code{malloc}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c make-relative-prefix.c:24
|
||||
@deftypefn Extension {const char*} make_relative_prefix (const char *@var{progname}, const char *@var{bin_prefix}, const char *@var{prefix})
|
||||
|
||||
Given three strings @var{progname}, @var{bin_prefix}, @var{prefix}, return a string
|
||||
that gets to @var{prefix} starting with the directory portion of @var{progname} and
|
||||
a relative pathname of the difference between @var{bin_prefix} and @var{prefix}.
|
||||
Given three paths @var{progname}, @var{bin_prefix}, @var{prefix},
|
||||
return the path that is in the same position relative to
|
||||
@var{progname}'s directory as @var{prefix} is relative to
|
||||
@var{bin_prefix}. That is, a string starting with the directory
|
||||
portion of @var{progname}, followed by a relative pathname of the
|
||||
difference between @var{bin_prefix} and @var{prefix}.
|
||||
|
||||
For example, if @var{bin_prefix} is @code{/alpha/beta/gamma/gcc/delta}, @var{prefix}
|
||||
is @code{/alpha/beta/gamma/omega/}, and @var{progname} is @code{/red/green/blue/gcc},
|
||||
then this function will return @code{/red/green/blue/../../omega/}.
|
||||
If @var{progname} does not contain any directory separators,
|
||||
@code{make_relative_prefix} will search @env{PATH} to find a program
|
||||
named @var{progname}. Also, if @var{progname} is a symbolic link,
|
||||
the symbolic link will be resolved.
|
||||
|
||||
The return value is normally allocated via @code{malloc}. If no relative prefix
|
||||
can be found, return @code{NULL}.
|
||||
For example, if @var{bin_prefix} is @code{/alpha/beta/gamma/gcc/delta},
|
||||
@var{prefix} is @code{/alpha/beta/gamma/omega/}, and @var{progname} is
|
||||
@code{/red/green/blue/gcc}, then this function will return
|
||||
@code{/red/green/blue/../../omega/}.
|
||||
|
||||
The return value is normally allocated via @code{malloc}. If no
|
||||
relative prefix can be found, return @code{NULL}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
|
||||
128
libiberty/lrealpath.c
Normal file
128
libiberty/lrealpath.c
Normal file
@ -0,0 +1,128 @@
|
||||
/* Libiberty realpath. Like realpath, but more consistent behavior.
|
||||
Based on gdb_realpath from GDB.
|
||||
|
||||
Copyright 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of the libiberty library.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/*
|
||||
|
||||
@deftypefn Replacement {const char*} lrealpath (const char *@var{name})
|
||||
|
||||
Given a pointer to a string containing a pathname, returns a canonical
|
||||
version of the filename. Symlinks will be resolved, and ``.'' and ``..''
|
||||
components will be simplified. The returned value will be allocated using
|
||||
@code{malloc}, or @code{NULL} will be returned on a memory allocation error.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
#include "ansidecl.h"
|
||||
#include "libiberty.h"
|
||||
|
||||
#ifdef HAVE_LIMITS_H
|
||||
#include <limits.h>
|
||||
#endif
|
||||
#ifdef HAVE_STDLIB_H
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
#ifdef HAVE_UNISTD_H
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
#ifdef HAVE_STRING_H
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
/* On GNU libc systems the declaration is only visible with _GNU_SOURCE. */
|
||||
#if defined(HAVE_CANONICALIZE_FILE_NAME) \
|
||||
&& defined(NEED_DECLARATION_CANONICALIZE_FILE_NAME)
|
||||
extern char *canonicalize_file_name (const char *);
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_REALPATH)
|
||||
# if defined (PATH_MAX)
|
||||
# define REALPATH_LIMIT PATH_MAX
|
||||
# else
|
||||
# if defined (MAXPATHLEN)
|
||||
# define REALPATH_LIMIT MAXPATHLEN
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
|
||||
char *
|
||||
lrealpath (filename)
|
||||
const char *filename;
|
||||
{
|
||||
/* Method 1: The system has a compile time upper bound on a filename
|
||||
path. Use that and realpath() to canonicalize the name. This is
|
||||
the most common case. Note that, if there isn't a compile time
|
||||
upper bound, you want to avoid realpath() at all costs. */
|
||||
#if defined(REALPATH_LIMIT)
|
||||
{
|
||||
char buf[REALPATH_LIMIT];
|
||||
const char *rp = realpath (filename, buf);
|
||||
if (rp == NULL)
|
||||
rp = filename;
|
||||
return strdup (rp);
|
||||
}
|
||||
#endif /* REALPATH_LIMIT */
|
||||
|
||||
/* Method 2: The host system (i.e., GNU) has the function
|
||||
canonicalize_file_name() which malloc's a chunk of memory and
|
||||
returns that, use that. */
|
||||
#if defined(HAVE_CANONICALIZE_FILE_NAME)
|
||||
{
|
||||
char *rp = canonicalize_file_name (filename);
|
||||
if (rp == NULL)
|
||||
return strdup (filename);
|
||||
else
|
||||
return rp;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Method 3: Now we're getting desperate! The system doesn't have a
|
||||
compile time buffer size and no alternative function. Query the
|
||||
OS, using pathconf(), for the buffer limit. Care is needed
|
||||
though, some systems do not limit PATH_MAX (return -1 for
|
||||
pathconf()) making it impossible to pass a correctly sized buffer
|
||||
to realpath() (it could always overflow). On those systems, we
|
||||
skip this. */
|
||||
#if defined (HAVE_REALPATH) && defined (HAVE_UNISTD_H)
|
||||
{
|
||||
/* Find out the max path size. */
|
||||
long path_max = pathconf ("/", _PC_PATH_MAX);
|
||||
if (path_max > 0)
|
||||
{
|
||||
/* PATH_MAX is bounded. */
|
||||
char *buf, *rp, *ret;
|
||||
buf = malloc (path_max);
|
||||
if (buf == NULL)
|
||||
return NULL;
|
||||
rp = realpath (filename, buf);
|
||||
ret = strdup (rp ? rp : filename);
|
||||
free (buf);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* This system is a lost cause, just duplicate the filename. */
|
||||
return strdup (filename);
|
||||
}
|
||||
@ -23,16 +23,25 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||||
|
||||
@deftypefn Extension {const char*} make_relative_prefix (const char *@var{progname}, const char *@var{bin_prefix}, const char *@var{prefix})
|
||||
|
||||
Given three strings @var{progname}, @var{bin_prefix}, @var{prefix}, return a string
|
||||
that gets to @var{prefix} starting with the directory portion of @var{progname} and
|
||||
a relative pathname of the difference between @var{bin_prefix} and @var{prefix}.
|
||||
Given three paths @var{progname}, @var{bin_prefix}, @var{prefix},
|
||||
return the path that is in the same position relative to
|
||||
@var{progname}'s directory as @var{prefix} is relative to
|
||||
@var{bin_prefix}. That is, a string starting with the directory
|
||||
portion of @var{progname}, followed by a relative pathname of the
|
||||
difference between @var{bin_prefix} and @var{prefix}.
|
||||
|
||||
For example, if @var{bin_prefix} is @code{/alpha/beta/gamma/gcc/delta}, @var{prefix}
|
||||
is @code{/alpha/beta/gamma/omega/}, and @var{progname} is @code{/red/green/blue/gcc},
|
||||
then this function will return @code{/red/green/blue/../../omega/}.
|
||||
If @var{progname} does not contain any directory separators,
|
||||
@code{make_relative_prefix} will search @env{PATH} to find a program
|
||||
named @var{progname}. Also, if @var{progname} is a symbolic link,
|
||||
the symbolic link will be resolved.
|
||||
|
||||
The return value is normally allocated via @code{malloc}. If no relative prefix
|
||||
can be found, return @code{NULL}.
|
||||
For example, if @var{bin_prefix} is @code{/alpha/beta/gamma/gcc/delta},
|
||||
@var{prefix} is @code{/alpha/beta/gamma/omega/}, and @var{progname} is
|
||||
@code{/red/green/blue/gcc}, then this function will return
|
||||
@code{/red/green/blue/../../omega/}.
|
||||
|
||||
The return value is normally allocated via @code{malloc}. If no
|
||||
relative prefix can be found, return @code{NULL}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@ -223,19 +232,14 @@ make_relative_prefix (progname, bin_prefix, prefix)
|
||||
int prog_num, bin_num, prefix_num;
|
||||
int i, n, common;
|
||||
int needed_len;
|
||||
char *ret, *ptr;
|
||||
char *ret, *ptr, *full_progname = NULL;
|
||||
|
||||
if (progname == NULL || bin_prefix == NULL || prefix == NULL)
|
||||
return NULL;
|
||||
|
||||
prog_dirs = split_directories (progname, &prog_num);
|
||||
bin_dirs = split_directories (bin_prefix, &bin_num);
|
||||
if (bin_dirs == NULL || prog_dirs == NULL)
|
||||
return NULL;
|
||||
|
||||
/* If there is no full pathname, try to find the program by checking in each
|
||||
of the directories specified in the PATH environment variable. */
|
||||
if (prog_num == 1)
|
||||
if (lbasename (progname) == progname)
|
||||
{
|
||||
char *temp;
|
||||
|
||||
@ -278,14 +282,7 @@ make_relative_prefix (progname, bin_prefix, prefix)
|
||||
#endif
|
||||
)
|
||||
{
|
||||
free_split_directories (prog_dirs);
|
||||
progname = nstore;
|
||||
prog_dirs = split_directories (progname, &prog_num);
|
||||
if (prog_dirs == NULL)
|
||||
{
|
||||
free_split_directories (bin_dirs);
|
||||
return NULL;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
@ -299,6 +296,16 @@ make_relative_prefix (progname, bin_prefix, prefix)
|
||||
}
|
||||
}
|
||||
|
||||
full_progname = lrealpath (progname);
|
||||
if (full_progname == NULL)
|
||||
return NULL;
|
||||
|
||||
prog_dirs = split_directories (full_progname, &prog_num);
|
||||
bin_dirs = split_directories (bin_prefix, &bin_num);
|
||||
free (full_progname);
|
||||
if (bin_dirs == NULL || prog_dirs == NULL)
|
||||
return NULL;
|
||||
|
||||
/* Remove the program name from comparison of directory names. */
|
||||
prog_num--;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user