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maint: the compiler is not always named gcc

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https://bugzilla.redhat.com/show_bug.cgi?id=994589 complained that
even when using a cross-compiler not named 'gcc', the configure
output confusingly referred to gcc.

* m4/virt-compile-warnings.m4 (LIBVIRT_COMPILE_WARNINGS): Use a
more generic statement in configure output.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-08-07 09:44:52 -06:00
parent cf602e7c59
commit ff38690be9
1 changed files with 2 additions and 2 deletions
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4
m4/virt-compile-warnings.m4
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@ -62,7 +62,7 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
# gcc 4.2 treats attribute(format) as an implicit attribute(nonnull),
# which triggers spurious warnings for our usage
AC_CACHE_CHECK([whether gcc -Wformat allows NULL strings],
AC_CACHE_CHECK([whether the C compiler's -Wformat allows NULL strings],
[lv_cv_gcc_wformat_null_works], [
save_CFLAGS=$CFLAGS
CFLAGS='-Wunknown-pragmas -Werror -Wformat'
@ -101,7 +101,7 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
dnl Check whether strchr(s, char variable) causes a bogus compile
dnl warning, which is the case with GCC < 4.6 on some glibc
AC_CACHE_CHECK([whether GCC -Wlogical-op gives bogus warnings],
AC_CACHE_CHECK([whether the C compiler's -Wlogical-op gives bogus warnings],
[lv_cv_gcc_wlogical_op_broken], [
save_CFLAGS="$CFLAGS"
CFLAGS="-O2 -Wlogical-op -Werror"