58b08ac3e1
2001-08-09 Benjamin Kosnik <bkoz@redhat.com> * acconfig.h (_GLIBCPP_MEM_LIMITS): Define. * config.h.in: Regenerate. * acinclude.m4 (GLIBCPP_CHECK_SETRLIMIT): Check for setrlimit function. * aclocal.m4: Regenerate. * configure.in: Remove duplicate AM_CONFIG_HEADER. (AM_CONFIG_HEADER): Remove testsuite/testsuite_hooks.h. Only call GLIBCPP_CHECK_SETRLIMIT for native compiles. * configure: Regenerate. * testsuite_hooks.h.in: Move to... * testsuite_hooks.h: Here, include c++config.h. Use it. * Makefile.am (SUBDIRS): Move testsuite to last directory. * Makefile.in: Regenerate. * po/Makefile.am (stamp-po): Add. From-SVN: r44752
292 lines
8.4 KiB
Plaintext
292 lines
8.4 KiB
Plaintext
# Process this file with autoconf to produce a configure script, like so:
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# aclocal, autoconf, autoheader, automake
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AC_PREREQ(2.13)
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AC_INIT(src/ios.cc)
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PACKAGE=libstdc++
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MAJOR_VERSION=3
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MINOR_VERSION=1
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MICRO_VERSION=0
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VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION
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AC_SUBST(PACKAGE)
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AC_SUBST(VERSION)
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# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
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# AC 2.50 sets target_alias iff the user specified --target, but we use it
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# everywhere, so we set it here just to be sure.
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$target}
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AC_SUBST(target_alias)
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AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
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AM_CONFIG_HEADER(config.h)
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# Runs configure.host and configure.target, as well as finds CC, CXX
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# and assorted other critical bits. Have to run this before the
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# GLIBCPP_ENABLE_* macros below.
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GLIBCPP_CONFIGURE(.)
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AC_LIBTOOL_DLOPEN
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AM_PROG_LIBTOOL
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AC_SUBST(enable_shared)
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AC_SUBST(enable_static)
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# Check for c++ or library specific bits that don't require linking.
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#GLIBCPP_CHECK_COMPILER_VERSION
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GLIBCPP_CHECK_GNU_MAKE
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# Enable all the variable C++ stuff. C_MBCHAR must come early.
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GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
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GLIBCPP_ENABLE_CSTDIO
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GLIBCPP_ENABLE_CLOCALE
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GLIBCPP_ENABLE_C_MBCHAR([yes])
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GLIBCPP_ENABLE_C99([yes])
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GLIBCPP_ENABLE_LONG_LONG([yes])
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GLIBCPP_ENABLE_CHEADERS([c_std])
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GLIBCPP_ENABLE_THREADS
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GLIBCPP_ENABLE_CXX_FLAGS([none])
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GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
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if test -n "$with_cross_host" || test x"$build" != x"$host"; then
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# We are being configured with some form of cross compiler.
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# mknumeric_limits may not work correctly, either because the
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# compiler may not run on this machine, may not be able to link
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# executables, or may produce executables we can't run on this
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# machine. Thus, just use the pre-generated include/bits/limits_generic.h
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GLIBCPP_IS_CROSS_COMPILING=1
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# If Canadian cross, then don't pick up tools from the build
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# directory.
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if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
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CANADIAN=yes
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else
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CANADIAN=no
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fi
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case "$target_alias" in
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*-linux*)
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# Construct linux crosses by hand, eliminating bits that need ld...
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# Check for available headers.
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AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
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machine/endian.h machine/param.h sys/machine.h fp.h locale.h \
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float.h inttypes.h])
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# GLIBCPP_CHECK_COMPILER_FEATURES
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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AC_SUBST(SECTION_FLAGS)
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GLIBCPP_CHECK_LINKER_FEATURES
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# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
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# GLIBCPP_CHECK_MATH_SUPPORT
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AC_DEFINE(HAVE_ACOSF)
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AC_DEFINE(HAVE_ASINF)
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AC_DEFINE(HAVE_ATAN2F)
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AC_DEFINE(HAVE_ATANF)
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AC_DEFINE(HAVE_CEILF)
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AC_DEFINE(HAVE_COPYSIGN)
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AC_DEFINE(HAVE_COPYSIGNF)
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AC_DEFINE(HAVE_COSF)
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AC_DEFINE(HAVE_COSHF)
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AC_DEFINE(HAVE_EXPF)
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AC_DEFINE(HAVE_FABSF)
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_FINITEF)
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AC_DEFINE(HAVE_FLOORF)
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AC_DEFINE(HAVE_FMODF)
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AC_DEFINE(HAVE_FREXPF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_LDEXPF)
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AC_DEFINE(HAVE_LOG10F)
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AC_DEFINE(HAVE_LOGF)
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AC_DEFINE(HAVE_MODFF)
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AC_DEFINE(HAVE_POWF)
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AC_DEFINE(HAVE_SINCOS)
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AC_DEFINE(HAVE_SINCOSF)
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AC_DEFINE(HAVE_SINF)
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AC_DEFINE(HAVE_SINHF)
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AC_DEFINE(HAVE_SQRTF)
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AC_DEFINE(HAVE_TANF)
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AC_DEFINE(HAVE_TANHF)
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# At some point, we should differentiate between architectures
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# like x86, which have long double versions, and alpha/powerpc/etc.,
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# which don't. For the time being, punt.
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if test x"long_double_math_on_this_cpu" = x"yes"; then
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AC_DEFINE(HAVE_ACOSL)
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AC_DEFINE(HAVE_ASINL)
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AC_DEFINE(HAVE_ATAN2L)
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AC_DEFINE(HAVE_ATANL)
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AC_DEFINE(HAVE_CEILL)
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AC_DEFINE(HAVE_COPYSIGNL)
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AC_DEFINE(HAVE_COSL)
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AC_DEFINE(HAVE_COSHL)
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AC_DEFINE(HAVE_EXPL)
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AC_DEFINE(HAVE_FABSL)
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AC_DEFINE(HAVE_FINITEL)
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AC_DEFINE(HAVE_FLOORL)
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AC_DEFINE(HAVE_FMODL)
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AC_DEFINE(HAVE_FREXPL)
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AC_DEFINE(HAVE_ISINFL)
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AC_DEFINE(HAVE_ISNANL)
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AC_DEFINE(HAVE_LDEXPL)
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AC_DEFINE(HAVE_LOG10L)
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AC_DEFINE(HAVE_LOGL)
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AC_DEFINE(HAVE_MODFL)
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AC_DEFINE(HAVE_POWL)
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AC_DEFINE(HAVE_SINCOSL)
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AC_DEFINE(HAVE_SINL)
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AC_DEFINE(HAVE_SINHL)
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AC_DEFINE(HAVE_SQRTL)
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AC_DEFINE(HAVE_TANL)
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AC_DEFINE(HAVE_TANHL)
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fi
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GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
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GLIBCPP_CHECK_WCHAR_T_SUPPORT
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os_include_dir="config/os/gnu-linux"
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# GLIBCPP_CHECK_STDLIB_SUPPORT
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AC_DEFINE(HAVE_STRTOF)
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AC_DEFINE(HAVE_STRTOLD)
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# AC_FUNC_MMAP
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AC_DEFINE(HAVE_MMAP)
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;;
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*)
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# We assume newlib. This lets us hard-code the functions we know
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# we'll have.
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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os_include_dir="config/os/newlib"
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# need to check for faster f versions of math functions, ie sinf?
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;;
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esac
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else
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# We are being configured natively. We can do more elaborate tests
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# that include AC_TRY_COMPILE now, as the linker is assumed to be
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# working.
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GLIBCPP_IS_CROSS_COMPILING=0
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CANADIAN=no
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# Check for available headers.
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AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
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machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h])
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GLIBCPP_CHECK_COMPILER_FEATURES
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GLIBCPP_CHECK_LINKER_FEATURES
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GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
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GLIBCPP_CHECK_MATH_SUPPORT
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GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
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GLIBCPP_CHECK_WCHAR_T_SUPPORT
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GLIBCPP_CHECK_STDLIB_SUPPORT
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AC_LC_MESSAGES
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AC_TRY_COMPILE([
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#include <setjmp.h>
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], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
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[AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])])
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AC_FUNC_MMAP
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# Establish limits on memory usage during 'make check'
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GLIBCPP_CONFIGURE_TESTSUITE
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fi
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# Propagate the target-specific source directories through the build chain.
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OS_INC_SRCDIR=$os_include_dir/bits
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ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits
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AC_SUBST(OS_INC_SRCDIR)
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AC_SUBST(ATOMICITY_INC_SRCDIR)
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# Set up cross-compile flags
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AC_SUBST(GLIBCPP_IS_CROSS_COMPILING)
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AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
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AC_CACHE_SAVE
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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# Needed so that g++ can find the correct include subdir automatically.
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INTERFACE=v3
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# Export all the install information
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GLIBCPP_EXPORT_INSTALL_INFO
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# Export all the include and flag information to makefiles.
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GLIBCPP_EXPORT_INCLUDES
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GLIBCPP_EXPORT_FLAGS
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if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
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grep "enable shared" > /dev/null; then
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LIBSUPCXX_PICFLAGS=-prefer-pic
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else
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LIBSUPCXX_PICFLAGS=
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fi
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AC_SUBST(LIBSUPCXX_PICFLAGS)
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# Generate the various Makefiles, include files, and scripts.
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# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
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# and libsupc++/Makefile.am so that multilib installs will end up
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# installed in the correct place. To work around this not being passed
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# down from config-ml.in -> top_srcdir/Makefile.am ->
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# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
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AC_OUTPUT(Makefile \
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include/Makefile src/Makefile \
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libmath/Makefile libio/Makefile libsupc++/Makefile \
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po/Makefile intl/Makefile testsuite/Makefile mkcheck testsuite_flags,
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[if test -n "$CONFIG_FILES"; then
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ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
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grep '^MULTISUBDIR =' Makefile >> src/Makefile
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grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
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fi
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chmod +x mkcheck
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chmod +x testsuite_flags
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],
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srcdir=${srcdir}
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host=${host}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${multilib_arg} ${ac_configure_args}"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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glibcpp_basedir=${glibcpp_basedir}
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CC="${CC}"
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CXX="${CXX}"
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)
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# Sanity checking & User-visible messages.
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# Checks down here, otherwise they get scrolled off before
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# the user will notice.
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# Trying to get more people to read documentation. Possibly remove
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# check and warn all the time. There is no "informational" AC_MSG_
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# macro, so these are going to be printed even when --quiet/--silent
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# is given.
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if test ! -f stamp-sanity-warned; then
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touch stamp-sanity-warned
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echo ""
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echo "Please make certain that you read the installation information here:"
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echo " faster => ${srcdir}/docs/install.html"
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echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>"
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echo ""
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echo "and the configuration information here:"
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echo " faster => ${srcdir}/docs/configopts.html"
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echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
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echo ""
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echo "before proceeding with ${_cv_gnu_make_command}."
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echo ""
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fi
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