dnl
dnl Initialize configure bits.
dnl
-dnl Define OPTLEVEL='-O2' if new inlining code present.
-dnl
dnl GLIBCPP_CONFIGURE
AC_DEFUN(GLIBCPP_CONFIGURE, [
dnl Default to --enable-multilib
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
esac], [multilib=yes])dnl
- glibcpp_basedir=$auxdir/$1/libstdc++-v3
+ glibcpp_basedir=$srcdir/$toprel/$1/libstdc++-v3
AC_SUBST(glibcpp_basedir)
- AM_INIT_AUTOMAKE(libstdc++, 2.92)
+ AM_INIT_AUTOMAKE(libstdc++, 3.0.0)
# Never versions of autoconf add an underscore to these functions.
# Prevent future problems ...
# automake happy, but we dont execute it, since we dont care about
# the result.
if false; then
+ # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+ # to nothing, so nothing would remain between `then' and `fi' if it
+ # were not for the `:' below.
+ :
AC_EXEEXT
fi
AC_MSG_CHECKING([for g++ that will successfully compile libstdc++-v3])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
- AC_EGREP_CPP(ok, [
- #if __GNUC__ >= 3
- ok
+ AC_TRY_COMPILE(, [
+ #if __GNUC__ < 3
+ not_ok
#endif
], gpp_satisfactory=yes, AC_MSG_ERROR([please upgrade to GCC 3.0 or above]))
AC_LANG_RESTORE
dnl
-dnl Test for newer compiler features, or features that are present in newer
-dnl compiler version but not older compiler versions should be placed
-dnl here.
+dnl Tests for newer compiler features, or features that are present in newer
+dnl compiler versions but not older compiler versions still in use, should
+dnl be placed here.
dnl
dnl Define WERROR='-Werror' if requested and possible; g++'s that lack the
dnl new inlining code or the new system_header pragma will die on -Werror.
dnl GLIBCPP_CHECK_COMPILER_FEATURES
AC_DEFUN(GLIBCPP_CHECK_COMPILER_FEATURES, [
# All these tests are for C++; save the language and the compiler flags.
- # The CXXFLAGS thing is suspicious, but based on similar bits
+ # The CXXFLAGS thing is suspicious, but based on similar bits previously
# found in GLIBCPP_CONFIGURE.
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
# this is the suspicious part
CXXFLAGS=''
fi
- if test x"$ac_fdsections" = x"yes" && test x"$enable_debug" = x"no"; then
+ if test x"$ac_fdsections" = x"yes" &&
+ test x"$enable_debug" = x"no"; then
SECTION_FLAGS='-ffunction-sections -fdata-sections'
fi
AC_MSG_RESULT($ac_fdsections)
fi
# Set linker optimization flags.
- if test x"$ac_cv_prog_gnu_ld" = x"yes" && test x"$enable_debug" = x"no"; then
+ if test x"$ac_cv_prog_gnu_ld" = x"yes" &&
+ test x"$enable_debug" = x"no"; then
OPT_LDFLAGS='-Wl,-O1'
fi
GLIBCPP_CHECK_MATH_DECL_1(_$1)
if test x$glibcpp_cv_func__$1_use = x"yes"; then
AC_CHECK_FUNCS(_$1)
- fi
+ fi
fi
])
dnl
dnl Check to see if the (math function) argument passed is
dnl declared when using the c++ compiler
-dnl ASSUMES argument is a math function with ONE parameter
+dnl ASSUMES argument is a math function with TWO parameters
dnl
dnl GLIBCPP_CHECK_MATH_DECL_2
AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_2, [
GLIBCPP_CHECK_MATH_DECL_2(_$1)
if test x$glibcpp_cv_func__$1_use = x"yes"; then
AC_CHECK_FUNCS(_$1)
- fi
+ fi
fi
])
dnl
dnl Check to see if the (math function) argument passed is
dnl declared when using the c++ compiler
-dnl ASSUMES argument is a math function with ONE parameter
+dnl ASSUMES argument is a math function with THREE parameters
dnl
dnl GLIBCPP_CHECK_MATH_DECL_3
AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_3, [
GLIBCPP_CHECK_MATH_DECL_3(_$1)
if test x$glibcpp_cv_func__$1_use = x"yes"; then
AC_CHECK_FUNCS(_$1)
- fi
+ fi
fi
])
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
- AC_CHECK_FUNCS(strtof)
GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtold)
AC_CHECK_FUNCS(drand48)
AC_DEFUN(GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT, [
dnl Check for complex versions of math functions of platform.
AC_CHECK_LIB(m, main)
- AC_REPLACE_MATHFUNCS(nan hypot hypotf atan2f expf copysignf)
+ AC_REPLACE_MATHFUNCS(nan hypot hypotf copysignf)
dnl Compile the long double complex functions only if the function
dnl provides the non-complex long double functions that are needed.
dnl Currently this includes copysignl and atan2l, which should be
dnl cached from the GLIBCPP_CHECK_MATH_SUPPORT macro, above.
USE_COMPLEX_LONG_DOUBLE=no
- if test x$ac_cv_func_atan2l = x"yes" \
- && test x$ac_cv_func_copysignl = x"yes"; then
+ if test x$ac_cv_func_atan2l = x"yes" &&
+ test x$ac_cv_func_copysignl = x"yes"; then
USE_COMPLEX_LONG_DOUBLE=yes
AC_REPLACE_MATHFUNCS(hypotl signbitl)
fi
. [$]{glibcpp_basedir}/configure.target
AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
AC_MSG_RESULT(OS config directory is $os_include_dir)
- AC_LINK_FILES($os_include_dir/bits/os_defines.h, include/bits/os_defines.h)
])
AC_CHECK_HEADER(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no)
dnl Only continue checking if the ISO C99 headers exist and support is on.
- if test x"$ac_has_wchar_h" = xyes && test x"$ac_has_wctype_h" = xyes \
- && test x"$enable_c_mbchar" != xno; then
+ if test x"$ac_has_wchar_h" = xyes &&
+ test x"$ac_has_wctype_h" = xyes &&
+ test x"$enable_c_mbchar" != xno; then
dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
dnl numeric_limits can instantiate type_traits<wchar_t>
AC_MSG_RESULT($has_weof)
dnl Tests for wide character functions used in char_traits<wchar_t>.
- AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset \
- wcsrtombs mbsrtowcs, ac_wfuncs=yes, ac_wfuncs=no)
+ ac_wfuncs=yes
+ AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset,, \
+ ac_wfuncs=no)
+ dnl Checks for names injected into std:: by the c_std headers.
+ AC_CHECK_FUNCS(btowc wctob fgetwc fgetwc fgetws fputwc fputws fwide \
+ fwprintf fwscanf swprintf swscanf vfwprintf vfwscanf vswprintf vswscanf \
+ vwprintf vwscanf wprintf wscanf getwc getwchar mbsinit mbrlen mbrtowc \
+ mbsrtowcs wcsrtombs putwc putwchar ungetwc wcrtomb wcstod wcstof wcstol \
+ wcstoul wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp wcsxfrm \
+ wcscspn wcsspn wcstok wcsftime wcschr wcspbrk wcsrchr wcsstr,, \
+ ac_wfuncs=no)
+
AC_MSG_CHECKING([for ISO C99 wchar_t support])
- if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes \
- && test x"$ac_wfuncs" = xyes; then
+ if test x"$has_weof" = xyes &&
+ test x"$has_wchar_minmax" = xyes &&
+ test x"$ac_wfuncs" = xyes; then
ac_isoC99_wchar_t=yes
else
ac_isoC99_wchar_t=no
LIBS="$ac_save_LIBS"
AC_MSG_CHECKING([for XPG2 wchar_t support])
- if test x"$ac_has_iconv_h" = xyes && test x"$ac_has_langinfo_h" = xyes \
- && test x"$ac_XPG2funcs" = xyes; then
+ if test x"$ac_has_iconv_h" = xyes &&
+ test x"$ac_has_langinfo_h" = xyes &&
+ test x"$ac_XPG2funcs" = xyes; then
ac_XPG2_wchar_t=yes
else
ac_XPG2_wchar_t=no
dnl At the moment, only enable wchar_t specializations if all the
dnl above support is present.
AC_MSG_CHECKING([for enabled wchar_t specializations])
- if test x"$ac_isoC99_wchar_t" = xyes \
- && test x"$ac_XPG2_wchar_t" = xyes; then
+ if test x"$ac_isoC99_wchar_t" = xyes &&
+ test x"$ac_XPG2_wchar_t" = xyes; then
AC_DEFINE(_GLIBCPP_USE_WCHAR_T)
AC_MSG_RESULT("yes")
else
;;
esac
- AC_LINK_FILES($CLOCALE_H, include/bits/c++locale.h)
+ AC_SUBST(CLOCALE_H)
AC_LINK_FILES($CLOCALE_CC, src/c++locale.cc)
])
exit 1
;;
esac
- AC_LINK_FILES($CSTDIO_H, include/bits/c++io.h)
- AC_LINK_FILES($BASIC_FILE_H, include/bits/basic_file_model.h)
+ AC_SUBST(CSTDIO_H)
+ AC_SUBST(BASIC_FILE_H)
AC_LINK_FILES($BASIC_FILE_CC, src/basic_file.cc)
# 2000-08-04 bkoz hack
CCODECVT_C=config/c_io_libio_codecvt.c
- AC_LINK_FILES($CCODECVT_C, libio/c_codecvt.c)
+ AC_SUBST(CCODECVT_C)
# 2000-08-04 bkoz hack
AM_CONDITIONAL(GLIBCPP_BUILD_LIBIO,
dnl and process to <file> with an output command. The reason for a two-
dnl stage process here is to correctly handle $srcdir!=$objdir without
dnl having to write complex code (the sed commands to clean the macro
-dnl namespace are complex and fragile enough as it is).
+dnl namespace are complex and fragile enough as it is). We must also
+dnl add a relative path so that -I- is supported properly.
dnl
AC_DEFUN(GLIBCPP_ENABLE_THREADS, [
AC_MSG_CHECKING([for thread model used by GCC])
target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
AC_MSG_RESULT([$target_thread_file])
- AC_LINK_FILES(../gcc/gthr.h, include/bits/gthr.h-in)
- AC_LINK_FILES(../gcc/gthr-single.h, include/bits/gthr-single.h-in)
- AC_LINK_FILES(../gcc/gthr-$target_thread_file.h,
- include/bits/gthr-default.h-in)
if test $target_thread_file != single; then
AC_DEFINE(HAVE_GTHR_DEFAULT)
AC_DEFINE(_GLIBCPP_SUPPORTS_WEAK, __GXX_WEAK__)
fi
- AC_OUTPUT_COMMANDS([d=include/bits
- rm -f $d/gthr.h $d/gthr-single.h $d/gthr-default.h
- sed '/^#/s/\([A-Z_][A-Z_]*\)/_GLIBCPP_\1/g' <$d/gthr.h-in >$d/gthr.h
- sed 's/\(UNUSED\)/_GLIBCPP_\1/g' <$d/gthr-single.h-in \
- | sed 's/\(GCC[A-Z_]*_H\)/_GLIBCPP_\1/g' >$d/gthr-single.h
- sed 's/\(UNUSED\)/_GLIBCPP_\1/g' <$d/gthr-default.h-in \
- | sed 's/\(GCC[A-Z_]*_H\)/_GLIBCPP_\1/g' \
- | sed 's/\([A-Z_]*WEAK\)/_GLIBCPP_\1/g' >$d/gthr-default.h])
+
+ glibcpp_thread_h=gthr-$target_thread_file.h
+ AC_SUBST(glibcpp_thread_h)
])
rm -f conftest*])
if test x$enable_sjlj_exceptions = xyes; then
AC_DEFINE(_GLIBCPP_SJLJ_EXCEPTIONS, 1,
- [Define if the compiler is configured for setjmp/longjmp exceptions.])
+ [Define if the compiler is configured for setjmp/longjmp exceptions.])
ac_exception_model_name=sjlj
elif test x$enable_sjlj_exceptions = xno; then
ac_exception_model_name="call frame"
[isunordered(0.0,0.0);],, [ac_c99_math=no])
AC_MSG_RESULT($ac_c99_math)
+ # Check for the existence in <stdio.h> of vscanf, et. al.
+ ac_c99_stdio=yes;
+ AC_MSG_CHECKING([for ISO C99 support in <stdio.h>])
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [snprintf("12", 0, "%i");],, [ac_c99_stdio=no])
+ AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);}],
+ [],, [ac_c99_stdio=no])
+ AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {va_list args; va_start(args, fmt);
+ vscanf("%i", args);}],
+ [],, [ac_c99_stdio=no])
+ AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {va_list args; va_start(args, fmt);
+ vsnprintf(fmt, 0, "%i", args);}],
+ [],, [ac_c99_stdio=no])
+ AC_TRY_COMPILE([#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {va_list args; va_start(args, fmt);
+ vsscanf(fmt, "%i", args);}],
+ [],, [ac_c99_stdio=no])
+ AC_MSG_RESULT($ac_c99_stdio)
+
# Check for the existence in <stdlib.h> of lldiv_t, et. al.
ac_c99_stdlib=yes;
AC_MSG_CHECKING([for lldiv_t declaration])
AC_MSG_CHECKING([for ISO C99 support in <stdlib.h>])
AC_TRY_COMPILE([#include <stdlib.h>],
+ [char* tmp; strtof("gnu", &tmp);],, [ac_c99_stdlib=no])
+ AC_TRY_COMPILE([#include <stdlib.h>],
+ [char* tmp; strtold("gnu", &tmp);],, [ac_c99_stdlib=no])
+ AC_TRY_COMPILE([#include <stdlib.h>],
[char* tmp; strtoll("gnu", &tmp, 10);],, [ac_c99_stdlib=no])
AC_TRY_COMPILE([#include <stdlib.h>],
[char* tmp; strtoull("gnu", &tmp, 10);],, [ac_c99_stdlib=no])
AC_TRY_COMPILE([#include <stdlib.h>], [llabs(10);],, [ac_c99_stdlib=no])
AC_TRY_COMPILE([#include <stdlib.h>], [lldiv(10,1);],, [ac_c99_stdlib=no])
AC_TRY_COMPILE([#include <stdlib.h>], [atoll("10");],, [ac_c99_stdlib=no])
+ AC_TRY_COMPILE([#include <stdlib.h>], [_Exit(0);],, [ac_c99_stdlib=no])
if test x"$ac_c99_lldiv_t" = x"no"; then
ac_c99_stdlib=no;
fi;
AC_MSG_RESULT($ac_c99_stdlib)
# Check for the existence of <wchar.h> functions used if C99 is enabled.
+ # XXX the wchar.h checks should be rolled into the general C99 bits.
ac_c99_wchar=yes;
- AC_MSG_CHECKING([for ISO C99 support in <wchar.h>])
+ AC_MSG_CHECKING([for additional ISO C99 support in <wchar.h>])
AC_TRY_COMPILE([#include <wchar.h>],
[wcstold(L"10.0", NULL);],, [ac_c99_wchar=no])
AC_TRY_COMPILE([#include <wchar.h>],
AC_MSG_RESULT($ac_c99_wchar)
AC_MSG_CHECKING([for enabled ISO C99 support])
- if test x"$ac_c99_math" = x"no" || test x"$ac_c99_wchar" = x"no" \
- || test x"$ac_c99_stdlib" = x"no"; then
+ if test x"$ac_c99_math" = x"no" ||
+ test x"$ac_c99_stdio" = x"no" ||
+ test x"$ac_c99_stdlib" = x"no" ||
+ test x"$ac_c99_wchar" = x"no"; then
enable_c99=no;
fi;
AC_MSG_RESULT($enable_c99)
case "$enable_cheaders" in
c_shadow)
CSHADOW_FLAGS="-fno-builtin"
- C_INCLUDE_DIR='${top_srcdir}/include/c_shadow'
+ C_INCLUDE_DIR='${glibcpp_srcdir}/include/c_shadow'
AC_DEFINE(_GLIBCPP_USE_SHADOW_HEADERS)
;;
c_std)
CSHADOW_FLAGS=""
- C_INCLUDE_DIR='${top_srcdir}/include/c_std'
+ C_INCLUDE_DIR='${glibcpp_srcdir}/include/c_std'
;;
c)
CSHADOW_FLAGS=""
- C_INCLUDE_DIR='${top_srcdir}/include/c'
+ C_INCLUDE_DIR='${glibcpp_srcdir}/include/c'
;;
esac
dnl
dnl Set up *_INCLUDES and *_INCLUDE_DIR variables for all sundry Makefile.am's.
dnl
-dnl GLIBCPP_INCLUDE_DIR
-dnl C_INCLUDE_DIR
dnl TOPLEVEL_INCLUDES
dnl LIBMATH_INCLUDES
dnl LIBSUPCXX_INCLUDES
dnl LIBIO_INCLUDES
dnl CSHADOW_INCLUDES
dnl
-dnl GLIBCPP_EXPORT_INCLUDE
+dnl GLIBCPP_EXPORT_INCLUDES
AC_DEFUN(GLIBCPP_EXPORT_INCLUDES, [
- # Root level of the include sources.
- GLIBCPP_INCLUDE_DIR='$(top_srcdir)/include'
+ # Root level of the build directory include sources.
+ GLIBCPP_INCLUDES="-I${glibcpp_builddir}/include/${target_alias} -I${glibcpp_builddir}/include"
- # Can either use include/c or include/c_std to grab "C" headers. This
- # variable is set to the include directory currently in use.
- # set with C_INCLUDE_DIR in GLIBCPP_ENABLE_CHEADERS
-
# Passed down for canadian crosses.
- if test x"$CANADIAN" = xyes; then
+ if test x"$CANADIAN" = xyes; then
TOPLEVEL_INCLUDES='-I$(includedir)'
fi
LIBSUPCXX_INCLUDES='-I$(top_srcdir)/libsupc++'
- #if GLIBCPP_NEED_LIBIO
- LIBIO_INCLUDES='-I$(top_builddir)/libio -I$(top_srcdir)/libio'
- #else
- #LIBIO_INCLUDES='-I$(top_srcdir)/libio'
- #endif
-
- #if GLIBCPP_USE_CSHADOW
- # CSHADOW_INCLUDES='-I$(GLIBCPP_INCLUDE_DIR)/std -I$(C_INCLUDE_DIR) \
- # -I$(top_blddir)/cshadow'
- #else
- CSTD_INCLUDES='-I$(GLIBCPP_INCLUDE_DIR)/std -I$(C_INCLUDE_DIR)'
- #endif
+ if test x"$need_libio" = xyes; then
+ LIBIO_INCLUDES='-I$(top_builddir)/libio -I$(top_srcdir)/libio'
+ AC_SUBST(LIBIO_INCLUDES)
+ fi
# Now, export this to all the little Makefiles....
- AC_SUBST(GLIBCPP_INCLUDE_DIR)
+ AC_SUBST(GLIBCPP_INCLUDES)
AC_SUBST(TOPLEVEL_INCLUDES)
AC_SUBST(LIBMATH_INCLUDES)
AC_SUBST(LIBSUPCXX_INCLUDES)
- AC_SUBST(LIBIO_INCLUDES)
- AC_SUBST(CSTD_INCLUDES)
])
gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
gxx_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include/g++
glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
-glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}
+glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
changequote([,])dnl
],version_specific_libs=no)
AC_MSG_RESULT($version_specific_libs)
# Calculate glibcpp_toolexecdir, glibcpp_toolexeclibdir
# Install a library built with a cross compiler in tooldir, not libdir.
if test x"$glibcpp_toolexecdir" = x"no"; then
- if test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then
+ if test -n "$with_cross_host" &&
+ test x"$with_cross_host" != x"no"; then
glibcpp_toolexecdir='$(exec_prefix)/$(target_alias)'
glibcpp_toolexeclibdir='$(toolexecdir)/lib$(MULTISUBDIR)'
else
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