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committed c705bacd3f9Patch borrowed fromhttp://code.google.com/p/minimyth/source/browse/trunk/gar-minimyth/script/db/mysql/files/mysql-5.1.47-ac_cache_check.patch?r=6493.It allows to override through ac_cv_* variables various checks thatcannot be performed when cross-compiling.Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>--- storage/innodb_plugin/plug.in | 59 ++++++++++++++++++++++++++++-------------- 1 file changed, 40 insertions(+), 19 deletions(-)Index: mysql-5.1.53/storage/innodb_plugin/plug.in===================================================================--- mysql-5.1.53.orig/storage/innodb_plugin/plug.in+++ mysql-5.1.53/storage/innodb_plugin/plug.in@@ -53,9 +53,10 @@ esac AC_SUBST(INNODB_DYNAMIC_CFLAGS)- AC_MSG_CHECKING(whether GCC atomic builtins are available)+ AC_CACHE_CHECK([whether GCC atomic builtins are available],+ [ac_cv_have_decl_HAVE_IB_GCC_ATOMIC_BUILTINS], # either define HAVE_IB_GCC_ATOMIC_BUILTINS or not- AC_TRY_RUN(+ [AC_TRY_RUN( [ int main() {@@ -95,18 +96,23 @@ } ], [- AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1],- [GCC atomic builtins are available]) AC_MSG_RESULT(yes)+ ac_cv_have_decl_HAVE_IB_GCC_ATOMIC_BUILTINS=yes ], [ AC_MSG_RESULT(no)+ ac_cv_have_decl_HAVE_IB_GCC_ATOMIC_BUILTINS=no ]- )+ )])+ if test "x$ac_cv_have_decl_HAVE_IB_GCC_ATOMIC_BUILTINS"= "xyes" ; then+ AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1],+ [GCC atomic builtins are available])+ fi- AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins)+ AC_CACHE_CHECK([whether pthread_t can be used by GCC atomic builtins],+ [ac_cv_have_decl_HAVE_IB_ATOMIC_PTHREAD_T_GCC], # either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not- AC_TRY_RUN(+ [AC_TRY_RUN( [ #include <pthread.h> #include <string.h>@@ -126,14 +132,18 @@ } ], [- AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1],