This series is, Acked-by: Edward O'Callaghan <[email protected]>
On 09/07/2016 02:28 PM, Timothy Arceri wrote: > The last time this was bumped we settled on 4.2.0 because OpenBSD > wasn't shipping anything greater than 4.2.1 (as that was the last > GPLv2 licensed version) however they have now imported llvm to > there base repo. > > As far as I can tell the oldest distro still using a current version > of Mesa is Red Hat Enterprise Linux 6 which ships with 4.4.7. However > Dave reported that they build Mesa with GCC 4.8. > > Cc: Jonathan Gray <[email protected]> > --- > configure.ac | 18 +++--------------- > include/c99_compat.h | 17 +++++++---------- > 2 files changed, 10 insertions(+), 25 deletions(-) > > diff --git a/configure.ac b/configure.ac > index a413a3a..5128fc4 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -171,7 +171,6 @@ AC_MSG_RESULT([$acv_mesa_CLANG]) > dnl If we're using GCC, make sure that it is at least version 4.2.0. Older > dnl versions are explictly not supported. > GEN_ASM_OFFSETS=no > -USE_GNU99=no > if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then > AC_MSG_CHECKING([whether gcc version is sufficient]) > major=0 > @@ -183,16 +182,13 @@ if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then > GCC_VERSION_MINOR=`echo $GCC_VERSION | cut -d. -f2` > fi > > - if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a > $GCC_VERSION_MINOR -lt 2 ; then > + if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a > $GCC_VERSION_MINOR -lt 8 ; then > AC_MSG_RESULT([no]) > - AC_MSG_ERROR([If using GCC, version 4.2.0 or later is required.]) > + AC_MSG_ERROR([If using GCC, version 4.8.0 or later is required.]) > else > AC_MSG_RESULT([yes]) > fi > > - if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a > $GCC_VERSION_MINOR -lt 6 ; then > - USE_GNU99=yes > - fi > if test "x$cross_compiling" = xyes; then > GEN_ASM_OFFSETS=yes > fi > @@ -269,12 +265,7 @@ AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes) > dnl Add flags for gcc and g++ > if test "x$GCC" = xyes; then > CFLAGS="$CFLAGS -Wall" > - > - if test "x$USE_GNU99" = xyes; then > - CFLAGS="$CFLAGS -std=gnu99" > - else > - CFLAGS="$CFLAGS -std=c99" > - fi > + CFLAGS="$CFLAGS -std=c99" > > # Enable -Werror=implicit-function-declaration and > # -Werror=missing-prototypes, if available, or otherwise, just > @@ -401,9 +392,6 @@ AC_MSG_CHECKING(whether gcc supports -mpower8-vector) > save_CFLAGS=$CFLAGS > CFLAGS="$PWR8_CFLAGS $CFLAGS" > AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ > -#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < > 8)) > -#error "Need GCC >= 4.8 for sane POWER8 support" > -#endif > #include <altivec.h> > int main () { > vector unsigned char r; > diff --git a/include/c99_compat.h b/include/c99_compat.h > index 24e96e0..d76171c 100644 > --- a/include/c99_compat.h > +++ b/include/c99_compat.h > @@ -145,8 +145,8 @@ test_c99_compat_h(const void * restrict a, > # endif > > # ifdef __GNUC__ > -# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) > -# error "GCC version 4.2 or higher required" > +# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8) > +# error "GCC version 4.8 or higher required" > # endif > > /* https://gcc.gnu.org/onlinedocs/gcc-4.2.4/gcc/Other-Builtins.html */ > @@ -164,15 +164,12 @@ test_c99_compat_h(const void * restrict a, > # define HAVE_FUNC_ATTRIBUTE_FORMAT 1 > # define HAVE_FUNC_ATTRIBUTE_PACKED 1 > > -# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) > - /* https://gcc.gnu.org/onlinedocs/gcc-4.3.6/gcc/Other-Builtins.html */ > -# define HAVE___BUILTIN_BSWAP32 1 > -# define HAVE___BUILTIN_BSWAP64 1 > -# endif > + /* https://gcc.gnu.org/onlinedocs/gcc-4.3.6/gcc/Other-Builtins.html */ > +# define HAVE___BUILTIN_BSWAP32 1 > +# define HAVE___BUILTIN_BSWAP64 1 > > -# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) > -# define HAVE___BUILTIN_UNREACHABLE 1 > -# endif > + /* GCC 4.5 */ > +# define HAVE___BUILTIN_UNREACHABLE 1 > > # endif /* __GNUC__ */ > >
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