Changeset 47c5e6 in git for m4/ax_prog_cc_for_build.m4

Timestamp:

Nov 16, 2022, 4:41:28 PM (18 months ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

6a1cdff5edb80f26943821d2616ea6cd684a0a5a

Parents:

fb69c502f926f253f3cdde3646c5e7e142f1a9da

Message:

update some m4/*

File:

• m4/ax_prog_cc_for_build.m4 (modified) (4 diffs)

m4/ax_prog_cc_for_build.m4

@@ -33 +33 @@
 #   warranty.
 
-#serial 18
+#serial 21
 
 AU_ALIAS([AC_PROG_CC_FOR_BUILD], [AX_PROG_CC_FOR_BUILD])
@@ -45 +45 @@
 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
@@ -84 +86 @@
 
 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
@@ -138 +154 @@
 AC_SUBST([LDFLAGS_FOR_BUILD])dnl
 ])
+