nixpkgs/pkgs/applications/science/math/singular/use-older-ax-prog-cc-for-build.patch

diff --git a/m4/ax_prog_cc_for_build.m4 b/m4/ax_prog_cc_for_build.m4
index f7410d74b..12cb005a5 100644
--- a/m4/ax_prog_cc_for_build.m4
+++ b/m4/ax_prog_cc_for_build.m4
@@ -32,35 +32,31 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 18
+#serial 9
 
 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
+AC_REQUIRE([AC_EXEEXT])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])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
@@ -71,29 +67,27 @@ 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
+pushdef([ac_cpp], ac_build_cpp)dnl
+pushdef([ac_compile], ac_build_compile)dnl
+pushdef([ac_link], ac_build_link)dnl
 
-cross_compiling_build=no
+save_cross_compiling=$cross_compiling
+save_ac_tool_prefix=$ac_tool_prefix
+cross_compiling=no
+ac_tool_prefix=
 
-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([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_link])dnl
+popdef([ac_compile])dnl
+popdef([ac_cpp])dnl
 popdef([ac_cv_host_os])dnl
 popdef([ac_cv_host_vendor])dnl
 popdef([ac_cv_host_cpu])dnl
@@ -104,33 +98,25 @@ 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
diff --git a/m4/ax_prog_cxx_for_build.m4 b/m4/ax_prog_cxx_for_build.m4
index 4d976769f..17c19a89f 100644
--- a/m4/ax_prog_cxx_for_build.m4
+++ b/m4/ax_prog_cxx_for_build.m4
@@ -31,7 +31,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 4
+#serial 3
 
 AU_ALIAS([AC_PROG_CXX_FOR_BUILD], [AX_PROG_CXX_FOR_BUILD])
 AC_DEFUN([AX_PROG_CXX_FOR_BUILD], [dnl
@@ -49,7 +49,6 @@ pushdef([ac_cv_prog_cxx_cross], ac_cv_build_prog_cxx_cross)dnl
 pushdef([ac_cv_prog_cxx_g], ac_cv_build_prog_cxx_g)dnl
 pushdef([CXX], CXX_FOR_BUILD)dnl
 pushdef([CXXCPP], CXXCPP_FOR_BUILD)dnl
-pushdef([GXX], GXX_FOR_BUILD)dnl
 pushdef([CXXFLAGS], CXXFLAGS_FOR_BUILD)dnl
 pushdef([CPPFLAGS], CPPFLAGS_FOR_BUILD)dnl
 pushdef([CXXCPPFLAGS], CXXCPPFLAGS_FOR_BUILD)dnl
@@ -63,25 +62,26 @@ 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_CXX_dependencies_compiler_type], am_cv_build_CXX_dependencies_compiler_type)dnl
-pushdef([cross_compiling], cross_compiling_build)dnl
+pushdef([ac_cxxcpp], ac_build_cxxcpp)dnl
+pushdef([ac_compile], ac_build_compile)dnl
+pushdef([ac_link], ac_build_link)dnl
 
-cross_compiling_build=no
+save_cross_compiling=$cross_compiling
+save_ac_tool_prefix=$ac_tool_prefix
+cross_compiling=no
+ac_tool_prefix=
 
-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_CXX
 AC_PROG_CXXCPP
 
+ac_tool_prefix=$save_ac_tool_prefix
+cross_compiling=$save_cross_compiling
+
 dnl Restore the old definitions
 dnl
-popdef([cross_compiling])dnl
-popdef([am_cv_CXX_dependencies_compiler_type])dnl
-popdef([ac_tool_prefix])dnl
+popdef([ac_link])dnl
+popdef([ac_compile])dnl
+popdef([ac_cxxcpp])dnl
 popdef([ac_cv_host_os])dnl
 popdef([ac_cv_host_vendor])dnl
 popdef([ac_cv_host_cpu])dnl
@@ -103,10 +103,6 @@ popdef([ac_cv_prog_cxx_works])dnl
 popdef([ac_cv_prog_gxx])dnl
 popdef([ac_cv_prog_CXXCPP])dnl
 
-dnl restore global variables (dependant on the current
-dnl language after popping):
-AC_LANG_POP([C++])
-
 dnl Finally, set Makefile variables
 dnl
 AC_SUBST([CXXFLAGS_FOR_BUILD])dnl