From ae581a19fbe896a797450b9d9573fb66f2735227 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:37:38 +0200 Subject: Adding upstream version 1.9.13p3. Signed-off-by: Daniel Baumann --- m4/ax_prog_cc_for_build.m4 | 155 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 m4/ax_prog_cc_for_build.m4 (limited to 'm4/ax_prog_cc_for_build.m4') diff --git a/m4/ax_prog_cc_for_build.m4 b/m4/ax_prog_cc_for_build.m4 new file mode 100644 index 0000000..33eaa38 --- /dev/null +++ b/m4/ax_prog_cc_for_build.m4 @@ -0,0 +1,155 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_prog_cc_for_build.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_CC_FOR_BUILD +# +# DESCRIPTION +# +# This macro searches for a C compiler that generates native executables, +# that is a C compiler that surely is not a cross-compiler. This can be +# useful if you have to generate source code at compile-time like for +# example GCC does. +# +# The macro sets the CC_FOR_BUILD and CPP_FOR_BUILD macros to anything +# needed to compile or link (CC_FOR_BUILD) and preprocess (CPP_FOR_BUILD). +# The value of these variables can be overridden by the user by specifying +# a compiler with an environment variable (like you do for standard CC). +# +# It also sets BUILD_EXEEXT and BUILD_OBJEXT to the executable and object +# file extensions for the build platform, and GCC_FOR_BUILD to `yes' if +# the compiler we found is GCC. All these variables but GCC_FOR_BUILD are +# substituted in the Makefile. +# +# LICENSE +# +# Copyright (c) 2008 Paolo Bonzini +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 21 + +AU_ALIAS([AC_PROG_CC_FOR_BUILD], [AX_PROG_CC_FOR_BUILD]) +AC_DEFUN([AX_PROG_CC_FOR_BUILD], [dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_CPP])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl + +dnl Use the standard macros, but make them use other variable names +dnl +pushdef([ac_cv_prog_CPP], ac_cv_build_prog_CPP)dnl +pushdef([ac_cv_prog_cc_c89], ac_cv_build_prog_cc_c89)dnl +pushdef([ac_cv_prog_cc_c99], ac_cv_build_prog_cc_c99)dnl +pushdef([ac_cv_prog_cc_c11], ac_cv_build_prog_cc_c11)dnl +pushdef([ac_cv_prog_gcc], ac_cv_build_prog_gcc)dnl +pushdef([ac_cv_prog_cc_works], ac_cv_build_prog_cc_works)dnl +pushdef([ac_cv_prog_cc_cross], ac_cv_build_prog_cc_cross)dnl +pushdef([ac_cv_prog_cc_g], ac_cv_build_prog_cc_g)dnl +pushdef([ac_cv_c_compiler_gnu], ac_cv_build_c_compiler_gnu)dnl +pushdef([ac_cv_exeext], ac_cv_build_exeext)dnl +pushdef([ac_cv_objext], ac_cv_build_objext)dnl +pushdef([ac_exeext], ac_build_exeext)dnl +pushdef([ac_objext], ac_build_objext)dnl +pushdef([CC], CC_FOR_BUILD)dnl +pushdef([CPP], CPP_FOR_BUILD)dnl +pushdef([GCC], GCC_FOR_BUILD)dnl +pushdef([CFLAGS], CFLAGS_FOR_BUILD)dnl +pushdef([CPPFLAGS], CPPFLAGS_FOR_BUILD)dnl +pushdef([EXEEXT], BUILD_EXEEXT)dnl +pushdef([LDFLAGS], LDFLAGS_FOR_BUILD)dnl +pushdef([OBJEXT], BUILD_OBJEXT)dnl +pushdef([host], build)dnl +pushdef([host_alias], build_alias)dnl +pushdef([host_cpu], build_cpu)dnl +pushdef([host_vendor], build_vendor)dnl +pushdef([host_os], build_os)dnl +pushdef([ac_cv_host], ac_cv_build)dnl +pushdef([ac_cv_host_alias], ac_cv_build_alias)dnl +pushdef([ac_cv_host_cpu], ac_cv_build_cpu)dnl +pushdef([ac_cv_host_vendor], ac_cv_build_vendor)dnl +pushdef([ac_cv_host_os], ac_cv_build_os)dnl +pushdef([ac_tool_prefix], ac_build_tool_prefix)dnl +pushdef([am_cv_CC_dependencies_compiler_type], am_cv_build_CC_dependencies_compiler_type)dnl +pushdef([am_cv_prog_cc_c_o], am_cv_build_prog_cc_c_o)dnl +pushdef([cross_compiling], cross_compiling_build)dnl + +cross_compiling_build=no + +ac_build_tool_prefix= +AS_IF([test -n "$build"], [ac_build_tool_prefix="$build-"], + [test -n "$build_alias"],[ac_build_tool_prefix="$build_alias-"]) + +AC_LANG_PUSH([C]) + +dnl The pushdef([ac_cv_c_compiler_gnu], ...) currently does not cover +dnl the use of this variable in _AC_LANG_COMPILER_GNU called by +dnl AC_PROG_CC. Unset this cache variable temporarily as a workaround. +was_set_c_compiler_gnu=${[ac_cv_c_compiler_gnu]+y} +AS_IF([test ${was_set_c_compiler_gnu}], + [saved_c_compiler_gnu=$[ac_cv_c_compiler_gnu] + AS_UNSET([[ac_cv_c_compiler_gnu]])]) + +AC_PROG_CC + +dnl Restore ac_cv_c_compiler_gnu +AS_IF([test ${was_set_c_compiler_gnu}], + [[ac_cv_c_compiler_gnu]=$[saved_c_compiler_gnu]]) + +_AC_COMPILER_EXEEXT +_AC_COMPILER_OBJEXT +AC_PROG_CPP + +dnl Restore the old definitions +dnl +popdef([cross_compiling])dnl +popdef([am_cv_prog_cc_c_o])dnl +popdef([am_cv_CC_dependencies_compiler_type])dnl +popdef([ac_tool_prefix])dnl +popdef([ac_cv_host_os])dnl +popdef([ac_cv_host_vendor])dnl +popdef([ac_cv_host_cpu])dnl +popdef([ac_cv_host_alias])dnl +popdef([ac_cv_host])dnl +popdef([host_os])dnl +popdef([host_vendor])dnl +popdef([host_cpu])dnl +popdef([host_alias])dnl +popdef([host])dnl +popdef([OBJEXT])dnl +popdef([LDFLAGS])dnl +popdef([EXEEXT])dnl +popdef([CPPFLAGS])dnl +popdef([CFLAGS])dnl +popdef([GCC])dnl +popdef([CPP])dnl +popdef([CC])dnl +popdef([ac_objext])dnl +popdef([ac_exeext])dnl +popdef([ac_cv_objext])dnl +popdef([ac_cv_exeext])dnl +popdef([ac_cv_c_compiler_gnu])dnl +popdef([ac_cv_prog_cc_g])dnl +popdef([ac_cv_prog_cc_cross])dnl +popdef([ac_cv_prog_cc_works])dnl +popdef([ac_cv_prog_cc_c89])dnl +popdef([ac_cv_prog_gcc])dnl +popdef([ac_cv_prog_CPP])dnl + +dnl restore global variables ac_ext, ac_cpp, ac_compile, +dnl ac_link, ac_compiler_gnu (dependent on the current +dnl language after popping): +AC_LANG_POP([C]) + +dnl Finally, set Makefile variables +dnl +AC_SUBST(BUILD_EXEEXT)dnl +AC_SUBST(BUILD_OBJEXT)dnl +AC_SUBST([CFLAGS_FOR_BUILD])dnl +AC_SUBST([CPPFLAGS_FOR_BUILD])dnl +AC_SUBST([LDFLAGS_FOR_BUILD])dnl +]) -- cgit v1.2.3