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Correctly name variable for caching (fixes warning by autotools.sh)

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This commit is contained in:
Daniel Aarno 2018-07-30 19:51:18 +01:00
parent a219293c87
commit 38af929982
1 changed files with 4 additions and 4 deletions
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8
config/ac_cxx_warn_effective_cxx.m4
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@ -10,19 +10,19 @@ AC_DEFUN([HAVE_WARN_EFFECTIVE_CXX],
[ [
AC_REQUIRE([AC_PROG_CXX]) AC_REQUIRE([AC_PROG_CXX])
AC_MSG_CHECKING([whether the C++ compiler (${CXX}) accepts -Weffc++]) AC_MSG_CHECKING([whether the C++ compiler (${CXX}) accepts -Weffc++])
AC_CACHE_VAL([cv_warn_effective_cxx], AC_CACHE_VAL([_cv_warn_effective_cxx],
[ [
AC_LANG_SAVE AC_LANG_SAVE
AC_LANG_CPLUSPLUS AC_LANG_CPLUSPLUS
save_cxxflags="$CXXFLAGS" save_cxxflags="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -Weffc++" CXXFLAGS="$CXXFLAGS -Weffc++"
AC_TRY_COMPILE([],[main();], AC_TRY_COMPILE([],[main();],
[cv_warn_effective_cxx=yes], [cv_warn_effective_cxx=no]) [_cv_warn_effective_cxx=yes], [_cv_warn_effective_cxx=no])
CXXFLAGS="$save_cxxflags" CXXFLAGS="$save_cxxflags"
AC_LANG_RESTORE AC_LANG_RESTORE
]) ])
AC_MSG_RESULT([$cv_warn_effective_cxx]) AC_MSG_RESULT([$_cv_warn_effective_cxx])
if test "$cv_warn_effective_cxx" = yes; then if test "$_cv_warn_effective_cxx" = yes; then
WARN_EFFECTIVE_CXX=-Weffc++ WARN_EFFECTIVE_CXX=-Weffc++
WARN_NO_EFFECTIVE_CXX=-Wno-effc++ WARN_NO_EFFECTIVE_CXX=-Wno-effc++
fi fi