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--- a/configure.in 2010-12-21 17:50:08.000000000 +0100
+++ b/configure.in 2011-06-10 00:24:06.000000000 +0200
@@ -423,10 +423,8 @@
)
dnl Checking if interprocess posix semaphores works....
-POSIX_SEMAPHORES="0"
-AC_MSG_CHECKING(if posix 1003.1b interprocess semaphores works)
-AC_TRY_RUN(
-[
+AC_CACHE_CHECK([if posix 1003.1b interprocess semaphores works], ac_cv_10031b_ipc_sem,
+[AC_TRY_RUN([
#include <semaphore.h>
#include <sys/wait.h>
@@ -452,18 +450,24 @@
exit(0);
}
],
-AC_DEFINE(HAVE_POSIX_SEMAPHORES,1,[Define HAVE_POSIX_SEMAPHORES if posix 1003.1b semaphores works])
-POSIX_SEMAPHORES="1"
-AC_MSG_RESULT(yes),
-AC_MSG_RESULT(no)
+ac_cv_10031b_ipc_sem=yes,
+ac_cv_10031b_ipc_sem=no,
+[AC_MSG_ERROR([cross-compiling,
+ presetting ac_cv_10031b_ipc_sem=(yes|no) will help])]
)
+])
+AS_IF(
+ [test $ac_cv_10031b_ipc_sem = yes],
+ [AC_DEFINE(HAVE_POSIX_SEMAPHORES,1,[Define HAVE_POSIX_SEMAPHORES if posix 1003.1b semaphores works])
+ POSIX_SEMAPHORES="1"
+ ],[
+ POSIX_SEMAPHORES="0"
+ ])
AC_SUBST(POSIX_SEMAPHORES)
dnl Checking for file locking
-POSIX_FILE_LOCK="0"
-AC_MSG_CHECKING(if fcntl file locking works)
-AC_TRY_RUN(
-[
+AC_CACHE_CHECK([if fcntl file locking works], ac_cv_fcntl,
+[AC_TRY_RUN([
#include <unistd.h>
#include <fcntl.h>
@@ -487,11 +491,19 @@
return 0;
}
],
-AC_DEFINE(HAVE_POSIX_FILE_LOCK,1,[Define HAVE_POSIX_FILE_LOCK if posix fcntl file locking works])
-POSIX_FILE_LOCK="1"
-AC_MSG_RESULT(yes),
-AC_MSG_RESULT(no)
+ac_cv_fcntl=yes,
+ac_cv_fcntl=no,
+[AC_MSG_ERROR([cross-compiling,
+ presetting ac_cv_fcntl=(yes|no) will help])]
)
+])
+AS_IF(
+ [test $ac_cv_fcntl = yes],
+ [AC_DEFINE(HAVE_POSIX_FILE_LOCK,1,[Define HAVE_POSIX_FILE_LOCK if posix fcntl file locking works])
+ POSIX_FILE_LOCK="1"
+ ],[
+ POSIX_FILE_LOCK="0"
+ ])
AC_SUBST(POSIX_FILE_LOCK)
#pthread_rwlock
|
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