X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fax_pthread.m4;h=6d400ed4e8e29dfc7a650e2ca704a228d0dc61ba;hb=68f3c1df6d39eb2e507e32e18632f545dc2e923f;hp=e20a388ca869b2bf1be9946ef93c37146a9db387;hpb=906d0558357bdd81dec000c71c165646af8c6e5f;p=awesomized%2Flibmemcached

diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index e20a388c..6d400ed4 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -82,7 +82,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 17
+#serial 20
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
@@ -145,8 +145,8 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt
 # --thread-safe: KAI C++
 # pthread-config: use pthread-config program (for GNU Pth library)
 
-case "${host_cpu}-${host_os}" in
-        *solaris*)
+case ${host_os} in
+        solaris*)
 
         # On Solaris (at least, for some versions), libc contains stubbed
         # (non-functional) versions of the pthreads routines, so link-based
@@ -159,7 +159,7 @@ case "${host_cpu}-${host_os}" in
         ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
         ;;
 
-        *-darwin*)
+        darwin*)
         ax_pthread_flags="-pthread $ax_pthread_flags"
         ;;
 esac
@@ -254,10 +254,10 @@ if test "x$ax_pthread_ok" = xyes; then
 
         AC_MSG_CHECKING([if more special flags are required for pthreads])
         flag=no
-        case "${host_cpu}-${host_os}" in
-            *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
-            *-osf* | *-hpux*) flag="-D_REENTRANT";;
-            *solaris*)
+        case ${host_os} in
+            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
+            osf* | hpux*) flag="-D_REENTRANT";;
+            solaris*)
             if test "$GCC" = "yes"; then
                 flag="-D_REENTRANT"
             else
@@ -283,16 +283,24 @@ if test "x$ax_pthread_ok" = xyes; then
         LIBS="$save_LIBS"
         CFLAGS="$save_CFLAGS"
 
-        # More AIX lossage: must compile with xlc_r or cc_r
-        if test x"$GCC" != xyes; then
-          AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
-        else
-          PTHREAD_CC=$CC
+        # More AIX lossage: compile with *_r variant
+        if test "x$GCC" != xyes; then
+            case $host_os in
+                aix*)
+                AS_CASE(["x/$CC"],
+                  [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
+                  [#handle absolute path differently from PATH based program lookup
+                   AS_CASE(["x$CC"],
+                     [x/*],
+                     [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
+                     [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
+                ;;
+            esac
         fi
-else
-        PTHREAD_CC="$CC"
 fi
 
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+
 AC_SUBST(PTHREAD_LIBS)
 AC_SUBST(PTHREAD_CFLAGS)
 AC_SUBST(PTHREAD_CC)