diff options
Diffstat (limited to 'meta/recipes-devtools/rpm/rpm/rpm-gnu-atomic.patch')
-rw-r--r-- | meta/recipes-devtools/rpm/rpm/rpm-gnu-atomic.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/meta/recipes-devtools/rpm/rpm/rpm-gnu-atomic.patch b/meta/recipes-devtools/rpm/rpm/rpm-gnu-atomic.patch new file mode 100644 index 0000000000..e25c5aa353 --- /dev/null +++ b/meta/recipes-devtools/rpm/rpm/rpm-gnu-atomic.patch @@ -0,0 +1,64 @@ +configure.ac: Check if the current compiler supports the transactions + +Some distributions appear to have compilers that are built without support +for transactions, even though they are GCC 4.7 or newer. + +Upstream-Status: Pending + +Signed-off-by: Mark Hatle <mark.hatle@windriver.com> + +Index: rpm-5.4.15/configure.ac +=================================================================== +--- rpm-5.4.15.orig/configure.ac ++++ rpm-5.4.15/configure.ac +@@ -425,9 +425,34 @@ dnl # --- other optimizations + rpm_CFLAGS_ADD([-D_FORTIFY_SOURCE=2 -fstack-protector], [RPM_CFLAGS]) + dnl # rpm_CFLAGS_ADD([-fstack-protector-all],[RPM_CFLAGS]) + +- if test \( ".`$CC --version 2>&1 | grep 'GCC'`" != . \); then +- rpm_CFLAGS_ADD([-fgnu-tm], [RPM_CFLAGS]) +- fi ++dnl # Check if the current gcc supports -fgnu-tm and __transaction_atomic ++AC_MSG_CHECKING([If the compiler supports __transaction_atomic]) ++save_CFLAGS="$CFLAGS" ++save_LDFLAGS="$LDFLAGS" ++CFLAGS="${CFLAGS} -fgnu-tm -litm" ++LDFLAGS="${LDFLAGS} -litm" ++AC_LINK_IFELSE([AC_LANG_SOURCE([[ ++int ++main() ++{ ++#if !__clang__ && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 7) || (__GNUC__ > 4)) /* XXX gud enuf? */ ++ int i = 0; ++ __transaction_atomic { i++; } ++#else ++# error Compiler does not support __transaction_atomic ++#endif ++ return 0; ++} ++]])], [ ++ AC_DEFINE([HAVE_GNUC_TM_ATOMIC], [1], ++ [Define to 1 if the compiler supports __transaction_atomic.]) ++ AC_MSG_RESULT([yes]) ++], [ ++ CFLAGS="$save_CFLAGS" ++ LDFLAGS="$save_LDFLAGS" ++ AC_MSG_RESULT([no]) ++]) ++ + + dnl # --- options below are added to RPM_CFLAGS but _NOT_ added to CFLAGS + CPPFLAGS="$CPPFLAGS $RPM_CPPFLAGS" +Index: rpm-5.4.15/rpmio/rpmutil.h +=================================================================== +--- rpm-5.4.15.orig/rpmio/rpmutil.h ++++ rpm-5.4.15/rpmio/rpmutil.h +@@ -105,7 +105,7 @@ + # define RPM_GNUC_INTERNAL + #endif + +-#if !__clang__ && __GNUC__ == 4 && __GNUC_MINOR__ >= 7 /* XXX gud enuf? */ ++#ifdef HAVE_GNUC_TM_ATOMIC + # define RPM_GNUC_TM_SAFE __attribute__((transaction_safe)) + # define RPM_GNUC_TM_PURE __attribute__((transaction_pure)) + # define RPM_GNUC_TM_CALLABLE __attribute__((transaction_callable)) |