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[autoconf] update ax_prog_cc_for_build.m4 

update scripts/m4/ax_prog_cc_for_build.m4 from serial 20 to serial 21
(This should fix build errors occuring with './configure -C' caching)

https://www.gnu.org/software/autoconf-archive/ax_prog_cc_for_build.html
http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_prog_cc_for_build.m4
personal/stbuehler/tests-path
Glenn Strauss 2022-06-10 17:23:31 -04:00
parent 91ce3b0857
commit 11864d2999
1 changed files with 6 additions and 6 deletions
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12
scripts/m4/ax_prog_cc_for_build.m4
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@ -32,7 +32,7 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 20
#serial 21
AU_ALIAS([AC_PROG_CC_FOR_BUILD], [AX_PROG_CC_FOR_BUILD])
AC_DEFUN([AX_PROG_CC_FOR_BUILD], [dnl
@ -89,16 +89,16 @@ 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_ac_cv_c_compiler_gnu=${[ac_cv_c_compiler_gnu]+y}
AS_IF([test ${was_set_ac_cv_c_compiler_gnu}],
[saved_ac_cv_c_compiler_gnu=$[ac_cv_c_compiler_gnu]
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_ac_cv_c_compiler_gnu}],
[[ac_cv_c_compiler_gnu]=saved_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