# Note: VAR+=... is not dashing, despite its looks
-AC_DEFUN([NMS_NOT_IN_SOURCE],
-[if test -e configure ; then
-AC_MSG_ERROR([Do not build in the source tree. Reasons])
-fi])
-
-# thanks to Zack Weinberg for fixing this!
-AC_DEFUN([NMS_TOOLS],
-[AC_SUBST([tools], [])
-AC_ARG_WITH([tools],
- AS_HELP_STRING([--with-tools=DIR],[tool directory]),
- [AS_CASE([$withval],
- [yes], [AC_MSG_ERROR([--with-tools requires an argument])],
- [no], [:],
- [tools="${withval%/bin}"])])
-
-if test -n "$tools" ; then
- if test -d "$tools/bin"; then
- PATH="$tools/bin:$PATH"
- AC_MSG_NOTICE([Using tools in $tools])
- else
- AC_MSG_ERROR([tool location does not exist])
- fi
-fi])
-
-AC_DEFUN([NMS_TOOL_DIRS],
-[if test "$tools" && test -d "$tools/include" ; then
- CXX="$CXX -I$tools/include"
-fi
-if test "$tools" && test -d "$tools/lib" ; then
- toollib="$tools/lib"
- if os=$(CXX -print-multi-os-directory 2>/dev/null) ; then
- toollib="$toollib/${os}"
- fi
- LDFLAGS="$LDFLAGS -L $toollib"
- unset toollib
-fi])
-
-AC_DEFUN([NMS_NUM_CPUS],
-[AC_MSG_CHECKING([number of CPUs])
-AS_CASE([$build],
-[*-*-darwin*], [NUM_CPUS=$(sysctl -n hw.ncpu 2>/dev/null)],
-[NUM_CPUS=$(grep -c '^processor' /proc/cpuinfo 2>/dev/null)])
-test "$NUM_CPUS" = 0 && NUM_CPUS=
-AC_MSG_RESULT([${NUM_CPUS:-unknown}])
-test "$NUM_CPUS" = 1 && NUM_CPUS=
-AC_SUBST(NUM_CPUS)])
-
AC_DEFUN([NMS_MAINTAINER_MODE],
[AC_ARG_ENABLE([maintainer-mode],
AS_HELP_STRING([--enable-maintainer-mode],
AC_MSG_ERROR([C++11 is required])]))
unset CXX_ORIG])])
-AC_DEFUN([NMS_CXX_20],
-[AC_MSG_CHECKING([whether $CXX is for C++20])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
-[#if __cplusplus <= 201703
-#error "C++20 is required"
-#endif
-]])],
-[AC_MSG_RESULT([yes])],
-[CXX="$CXX -std=c++20"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
-[#if __cplusplus <= 201703
-#error "C++20 is required"
-#endif
-]])],
-AC_MSG_RESULT([adding -std=c++20]),
-AC_MSG_RESULT([no])
-AC_MSG_ERROR([C++20 is required])]))
-
-AC_MSG_CHECKING([whether C++20 support is sufficiently advanced])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-#include <version>
-// There doesn't seem to be a feature macro for __VA_OPT__ :(
-#define VARIADIC(X,...) X __VA_OPT__((__VA_ARGS__))
-#define X(Y,Z) 1
-int ary[VARIADIC(X,Y,Z)];
-#if __cpp_constinit < 201907
-#error "C++20 constinit required"
-cpp_constinit is __cpp_constinit
-#endif
-#if __cpp_if_constexpr < 201606
-#error "C++20 constexpr required"
-cpp_constexpr is __cpp_if_constexpr
-#endif
-#if __cpp_concepts < 201907
-#error "C++20 concepts required"
-cpp_concepts is __cpp_concepts
-#endif
-#if __cpp_structured_bindings < 201606
-#error "C++20 structured bindings required"
-cpp_structured_bindings is __cpp_structured_bindings
-#endif
-#if __cpp_lib_int_pow2 < 202002
-#error "std::has_single_bit required"
-cpp_lib_int_pow2 is __cpp_lib_int_pow2
-#endif
-]])],
-AC_MSG_RESULT([yes 🙂]),
-AC_MSG_RESULT([no 🙁])
-AC_MSG_ERROR([C++20 support is too immature]))])
-
AC_DEFUN([NMS_ENABLE_EXCEPTIONS],
[AC_ARG_ENABLE([exceptions],
AS_HELP_STRING([--enable-exceptions],
AC_MSG_RESULT([no])])
unset ORIG_LDFLAGS])
-AC_DEFUN([NMS_BUGURL],
-[AC_MSG_CHECKING([bugurl])
-AC_ARG_WITH(bugurl,
-AS_HELP_STRING([--with-bugurl=URL],[where to report bugs]),
-AS_CASE(["$withval"],
- [yes], [AC_MSG_ERROR([--with-bugurl requires an argument])],
- [no], [BUGURL=""],
- [BUGURL="${withval}"]),
-[BUGURL="${PACKAGE_BUGREPORT}"])
-AC_MSG_RESULT($BUGURL)
-AC_DEFINE_UNQUOTED(BUGURL,"$BUGURL",[Bug reporting location])])
-
-AC_DEFUN([NMS_DISTRIBUTION],
-[AC_ARG_ENABLE([distribution],
-AS_HELP_STRING([--enable-distribution],
-[enable distribution. Inhibit components that prevent distribution]),,
-[enable_distribution="no"])
-AS_CASE([$enable_distribution],
- [yes], [nms_distribution=yes],
- [no], [nms_distribution=no],
- [AC_MSG_ERROR([unknown distribution $enable_distribution])])
-AC_MSG_CHECKING([distribution])
-AC_MSG_RESULT([$nms_distribution])])
-
AC_DEFUN([NMS_ENABLE_CHECKING],
[AC_ARG_ENABLE([checking],
AS_HELP_STRING([--enable-checking],
if test "$nms_checking" = yes ; then
AC_DEFINE_UNQUOTED([NMS_CHECKING], [0${nms_checking:+1}], [Enable checking])
fi])
-
-AC_DEFUN([NMS_WITH_BINUTILS],
-[AC_MSG_CHECKING([binutils])
-AC_ARG_WITH(bfd,
-AS_HELP_STRING([--with-bfd=DIR], [location of libbfd]),
-if test "$withval" = "yes" ; then
- AC_MSG_ERROR([DIR not specified])
-elif test "$withval" = "no" ; then
- AC_MSG_RESULT(installed)
-else
- AC_MSG_RESULT(${withval})
- CPPFLAGS="$CPPFLAGS -I${withval}/include"
- LDFLAGS="$LDFLAGS -L${withval}/lib"
-fi,
-AC_MSG_RESULT(installed))])
-
-AC_DEFUN([NMS_ENABLE_BACKTRACE],
-[AC_REQUIRE([NMS_DISTRIBUTION])
-AC_ARG_ENABLE([backtrace],
-AS_HELP_STRING([--enable-backtrace],[provide backtrace on fatality.]),,
-[enable_backtrace="maybe"])
-if test "${enable_backtrace:-maybe}" != no ; then
- AC_CHECK_HEADERS(execinfo.h)
- AC_CHECK_FUNCS(backtrace)
- if test "$nms_distribution" = no ; then
- AC_DEFINE([HAVE_DECL_BASENAME], [1], [Needed for demangle.h])
- # libiberty prevents distribution because of licensing
- AC_CHECK_HEADERS([demangle.h libiberty/demangle.h],[break])
- # libbfd prevents distribution because of licensing
- AC_CHECK_HEADERS([bfd.h])
- AC_SEARCH_LIBS([bfd_openr],[bfd],[LIBS="$LIBS -lz -liberty -ldl"],,[-lz -liberty -ldl])
- fi
- if test "$ac_cv_func_backtrace" = yes ; then
- nms_backtrace=yes
- ldbacktrace=-rdynamic
- AC_DEFINE([NMS_BACKTRACE], [1], [Enable backtrace])
- elif test "$enable_backtrace" = yes ; then
- AC_MSG_ERROR([Backtrace unavailable])
- fi
- AC_SUBST([ldbacktrace])
-fi
-AC_MSG_CHECKING([backtrace])
-AC_MSG_RESULT([${nms_backtrace:-no}])])
-
-AC_DEFUN([NMS_CONFIG_FILES],
-[CONFIG_FILES="Makefile $1"
-SUBDIRS="$2"
-for generated in config.h.in configure ; do
- if test $srcdir/configure.ac -nt $srcdir/$generated ; then
- touch $srcdir/$generated
- fi
-done
-for dir in . $SUBDIRS
-do
- CONFIG_FILES="$CONFIG_FILES $dir/Makesub"
- test -f ${srcdir}/$dir/tests/Makesub.in && CONFIG_FILES="$CONFIG_FILES $dir/tests/Makesub"
-done
-AC_CONFIG_FILES([$CONFIG_FILES])
-AC_SUBST(configure_args,[$ac_configure_args])
-AC_SUBST(SUBDIRS)
-AC_SUBST(CONFIG_FILES)])
projects / thirdparty / gcc.git / blobdiff