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Configury changes for obstack optimization

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* configure.ac: Check size of size_t.
	* configure: Regenerate.

From-SVN: r229990
This commit is contained in:
Alan Modra 2015-11-09 15:02:08 +10:30 committed by Alan Modra
parent a186d523f2
commit 126e0b6b61
3 changed files with 64 additions and 0 deletions
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5
libiberty/ChangeLog
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@ -1,3 +1,8 @@
2015-11-09 Alan Modra <amodra@gmail.com>
* configure.ac: Check size of size_t.
* configure: Regenerate.
2015-11-09 Alan Modra <amodra@gmail.com>
* obstack.c (_obstack_newchunk): Silence -Wc++compat warning.

58
libiberty/configure vendored
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@ -4389,6 +4389,12 @@ fi
ac_c_preproc_warn_flag=yes
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
ac_libiberty_warn_cflags=
save_CFLAGS="$CFLAGS"
for real_option in -W -Wall -Wwrite-strings -Wc++-compat \
@ -4434,6 +4440,18 @@ $as_echo "$ac_res" >&6; }
fi
done
CFLAGS="$save_CFLAGS"
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
# Do the check with the no- prefix removed from the warning options
# since gcc silently accepts any -Wno-* option on purpose
@ -4471,6 +4489,12 @@ if test $acx_cv_prog_cc_pedantic_ = yes; then :
fi
fi
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
if test "x$CC" != xcc; then
@ -5381,6 +5405,40 @@ cat >>confdefs.h <<_ACEOF
_ACEOF
# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
$as_echo_n "checking size of size_t... " >&6; }
if test "${ac_cv_sizeof_size_t+set}" = set; then :
$as_echo_n "(cached) " >&6
else
if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t" "$ac_includes_default"; then :
else
if test "$ac_cv_type_size_t" = yes; then
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
{ as_fn_set_status 77
as_fn_error "cannot compute sizeof (size_t)
See \`config.log' for more details." "$LINENO" 5; }; }
else
ac_cv_sizeof_size_t=0
fi
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5
$as_echo "$ac_cv_sizeof_size_t" >&6; }
cat >>confdefs.h <<_ACEOF
#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t
_ACEOF
# Check for presense of long long
ac_fn_c_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default"

1
libiberty/configure.ac
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@ -276,6 +276,7 @@ libiberty_AC_DECLARE_ERRNO
# Determine sizes of some types.
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([size_t])
# Check for presense of long long
AC_CHECK_TYPE([long long],