configure.in: Check for functions getrlimit and setrlimit.

        * configure.in: Check for functions getrlimit and setrlimit.
        * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
        to RLIMIT_STACK to see if we can call getrlimit and setrlimit.

From-SVN: r17023

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 516e94b7a4a8b3512b958c64d48d36988a106db1..8447f251a7581fb19393e5c0f506362f7acc49ba 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Tue Dec  9 00:57:38 1997  Manfred Hollstein  <manfred@s-direktnet.de>
+
+       * configure.in: Check for functions getrlimit and setrlimit.
+       * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
+       to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
+
 Mon Dec  8 23:53:26 1997  Jay Sachs <sachs@bull.cs.williams.edu>
 
        * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.

diff --git a/gcc/cccp.c b/gcc/cccp.c
index bf57c685dbca2208940a153fabb7331b69ef1f5c..381d5e9aae17229c1dcc83ec455412a3adbd7d18 100644 (file)
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -1230,7 +1230,7 @@ main (argc, argv)
   /* Target-name to write with the dependency information.  */
   char *deps_target = 0;
 
-#ifdef RLIMIT_STACK
+#if defined (RLIMIT_STACK) && defined (HAVE_GETRLIMIT) && defined (HAVE_SETRLIMIT)
   /* Get rid of any avoidable limit on stack size.  */
   {
     struct rlimit rlim;

diff --git a/gcc/configure b/gcc/configure
index e2adcd2f3c71881f40008c296e9ded2d1235974b..0c0dfd4f0a235f3bda6004ddaee9d72fbc6265e3 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -2415,14 +2415,124 @@ else
 fi
 done
 
+for ac_func in getrlimit
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:2422: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 2427 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:2450: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+for ac_func in setrlimit
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:2477: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 2482 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:2505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
 
 echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6
-echo "configure:2421: checking whether malloc must be declared" >&5
+echo "configure:2531: checking whether malloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_malloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2426 "configure"
+#line 2536 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2449,7 +2559,7 @@ int main() {
 char *(*pfn) = (char *(*)) malloc
 ; return 0; }
 EOF
-if { (eval echo configure:2453: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_malloc=no
 else
@@ -2471,12 +2581,12 @@ EOF
 fi
 
 echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6
-echo "configure:2475: checking whether realloc must be declared" >&5
+echo "configure:2585: checking whether realloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_realloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2480 "configure"
+#line 2590 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2503,7 +2613,7 @@ int main() {
 char *(*pfn) = (char *(*)) realloc
 ; return 0; }
 EOF
-if { (eval echo configure:2507: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2617: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_realloc=no
 else
@@ -2525,12 +2635,12 @@ EOF
 fi
 
 echo $ac_n "checking whether calloc must be declared""... $ac_c" 1>&6
-echo "configure:2529: checking whether calloc must be declared" >&5
+echo "configure:2639: checking whether calloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_calloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2534 "configure"
+#line 2644 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2557,7 +2667,7 @@ int main() {
 char *(*pfn) = (char *(*)) calloc
 ; return 0; }
 EOF
-if { (eval echo configure:2561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2671: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_calloc=no
 else
@@ -2579,12 +2689,12 @@ EOF
 fi
 
 echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6
-echo "configure:2583: checking whether free must be declared" >&5
+echo "configure:2693: checking whether free must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_free'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2588 "configure"
+#line 2698 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2611,7 +2721,7 @@ int main() {
 char *(*pfn) = (char *(*)) free
 ; return 0; }
 EOF
-if { (eval echo configure:2615: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2725: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_free=no
 else
@@ -2633,12 +2743,12 @@ EOF
 fi
 
 echo $ac_n "checking whether index must be declared""... $ac_c" 1>&6
-echo "configure:2637: checking whether index must be declared" >&5
+echo "configure:2747: checking whether index must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_index'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2642 "configure"
+#line 2752 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2665,7 +2775,7 @@ int main() {
 char *(*pfn) = (char *(*)) index
 ; return 0; }
 EOF
-if { (eval echo configure:2669: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2779: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_index=no
 else
@@ -2687,12 +2797,12 @@ EOF
 fi
 
 echo $ac_n "checking whether rindex must be declared""... $ac_c" 1>&6
-echo "configure:2691: checking whether rindex must be declared" >&5
+echo "configure:2801: checking whether rindex must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_rindex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2696 "configure"
+#line 2806 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2719,7 +2829,7 @@ int main() {
 char *(*pfn) = (char *(*)) rindex
 ; return 0; }
 EOF
-if { (eval echo configure:2723: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_rindex=no
 else
@@ -2741,12 +2851,12 @@ EOF
 fi
 
 echo $ac_n "checking whether getenv must be declared""... $ac_c" 1>&6
-echo "configure:2745: checking whether getenv must be declared" >&5
+echo "configure:2855: checking whether getenv must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_getenv'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2750 "configure"
+#line 2860 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2773,7 +2883,7 @@ int main() {
 char *(*pfn) = (char *(*)) getenv
 ; return 0; }
 EOF
-if { (eval echo configure:2777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_getenv=no
 else
@@ -2796,12 +2906,12 @@ fi
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:2800: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:2910: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2805 "configure"
+#line 2915 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2813,7 +2923,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:2817: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2927: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else

diff --git a/gcc/configure.in b/gcc/configure.in
index 908759363390ea6970c0a1d945a8eba0b7edbc11..30fed7002ae4e8f71d1d3cccca4d2a82f364eacc 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -172,6 +172,8 @@ AC_CHECK_FUNCS(bcmp)
 AC_CHECK_FUNCS(index)
 AC_CHECK_FUNCS(rindex)
 AC_CHECK_FUNCS(kill)
+AC_CHECK_FUNCS(getrlimit)
+AC_CHECK_FUNCS(setrlimit)
 
 GCC_NEED_DECLARATION(malloc)
 GCC_NEED_DECLARATION(realloc)