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Don't do clang version detection when disabling some flags

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When clang 2.9 was around we hoped they'd introduce support for the
normalized=id and override-init warnings by 3.0, but they haven't. We
should only add the version detection back in when clang actually
supports those warnings.
This commit is contained in:
Sebastian Hahn 2012-03-13 06:40:56 +01:00
parent bec50680a3
commit 083296bc27
1 changed files with 1 additions and 8 deletions
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9
configure.in
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@ -680,11 +680,6 @@ if test x$enable_gcc_warnings = xyes && test "$GCC" = "yes"; then
#error #error
#endif])], have_clang=yes, have_clang=no) #endif])], have_clang=yes, have_clang=no)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__clang__) || (__clang_major__ > 2) || (__clang_major__ == 2 && __clang_minor__ > 9)
#error
#endif])], have_clang29orlower=yes, have_clang29orlower=no)
CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror" CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
CFLAGS="$CFLAGS -Wno-unused-parameter -Wstrict-aliasing" CFLAGS="$CFLAGS -Wno-unused-parameter -Wstrict-aliasing"
@ -699,10 +694,8 @@ if test x$enable_gcc_warnings = xyes && test "$GCC" = "yes"; then
CFLAGS="$CFLAGS -Waddress" CFLAGS="$CFLAGS -Waddress"
fi fi
if test x$have_gcc42 = xyes && test x$have_clang29orlower = xno; then if test x$have_gcc42 = xyes && test x$have_clang = xno; then
# These warnings break gcc 4.0.2 and clang, but work on gcc 4.2 # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
# We only disable these for clang 2.9 and lower, in case they are
# supported in later versions.
CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init" CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
fi fi