Glenn Strauss 4 months ago
parent
commit
8f3395976d
  1. 54
      scripts/m4/ax_prog_cc_for_build.m4

54
scripts/m4/ax_prog_cc_for_build.m4

@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_prog_cc_for_build.html
# https://www.gnu.org/software/autoconf-archive/ax_prog_cc_for_build.html
# ===========================================================================
#
# SYNOPSIS
@ -32,31 +32,35 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 8
#serial 18
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_EXEEXT])dnl
AC_REQUIRE([AC_CANONICAL_HOST])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_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
@ -67,27 +71,29 @@ 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_cpp], ac_build_cpp)dnl
pushdef([ac_compile], ac_build_compile)dnl
pushdef([ac_link], ac_build_link)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
save_cross_compiling=$cross_compiling
save_ac_tool_prefix=$ac_tool_prefix
cross_compiling=no
ac_tool_prefix=
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])
AC_PROG_CC
_AC_COMPILER_EXEEXT
_AC_COMPILER_OBJEXT
AC_PROG_CPP
AC_EXEEXT
ac_tool_prefix=$save_ac_tool_prefix
cross_compiling=$save_cross_compiling
dnl Restore the old definitions
dnl
popdef([ac_link])dnl
popdef([ac_compile])dnl
popdef([ac_cpp])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
@ -98,25 +104,33 @@ 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 (dependant on the current
dnl language after popping):
AC_LANG_POP([C])
dnl Finally, set Makefile variables
dnl
BUILD_EXEEXT=$ac_build_exeext
BUILD_OBJEXT=$ac_build_objext
AC_SUBST(BUILD_EXEEXT)dnl
AC_SUBST(BUILD_OBJEXT)dnl
AC_SUBST([CFLAGS_FOR_BUILD])dnl

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