* cccp.c (sys_errlist): Remove special 4.4bsd declaration.

        * collect2.c (sys_errlist): Likewise.
        * cpplib.c (sys_errlist): Likewise.
        * gcc.c (sys_errlist): Likewise.
        * protoize (sys_errlist): Likewise.
        * configure.in: Check for strerror.
        * xm-freebsd.h (HAVE_STRERROR): Remove definition.
        * xm-gnu.h (HAVE_STRERROR): Likewise.
        * xm-linux.h (HAVE_STRERROR): Likewise.
        * xm-netbsd.h (HAVE_STRERROR): Likewise.
        * xm-bsd386.h (HAVE_STRERROR): Likewise.
        * xm-cygwin32.h (HAVE_STRERROR): Likewise.
        * xm-dos.h (HAVE_STRERROR): Likewise.
        * xm-mingw32.h (HAVE_STRERROR): Likewise.
        * xm-pa.h (HAVE_STRERROR): Likewise.
        * xm-papro.h (HAVE_STRERROR): Likewise.
        * xm-sysv4.h (HAVE_STRERROR): Likewise.
        * configure, config.in: Rebuilt.
Remove the need to define HAVE_STRERROR for each host port.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@15011 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2b2732b..e7fdc68 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,24 @@
 Mon Sep  1 08:29:46 1997  Jeffrey A Law  (law@cygnus.com)
 
+       * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
+       * collect2.c (sys_errlist): Likewise.
+       * cpplib.c (sys_errlist): Likewise.
+       * gcc.c (sys_errlist): Likewise.
+       * protoize (sys_errlist): Likewise.
+       * configure.in: Check for strerror.
+       * xm-freebsd.h (HAVE_STRERROR): Remove definition.
+       * xm-gnu.h (HAVE_STRERROR): Likewise.
+       * xm-linux.h (HAVE_STRERROR): Likewise.
+       * xm-netbsd.h (HAVE_STRERROR): Likewise.
+       * xm-bsd386.h (HAVE_STRERROR): Likewise.
+       * xm-cygwin32.h (HAVE_STRERROR): Likewise.
+       * xm-dos.h (HAVE_STRERROR): Likewise.
+       * xm-mingw32.h (HAVE_STRERROR): Likewise.
+       * xm-pa.h (HAVE_STRERROR): Likewise.
+       * xm-papro.h (HAVE_STRERROR): Likewise.
+       * xm-sysv4.h (HAVE_STRERROR): Likewise.
+       * configure, config.in: Rebuilt.
+
        * Makefile.in: Add several missing "else true" clauses.
 
        * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 0df3737..9a1108e 100644 (file)
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -306,11 +306,7 @@ extern char *version_string;
 #ifndef VMS
 #ifndef HAVE_STRERROR
 extern int sys_nerr;
-#if defined(bsd4_4)
-extern const char *const sys_errlist[];
-#else
 extern char *sys_errlist[];
-#endif
 #else  /* HAVE_STRERROR */
 char *strerror ();
 #endif

diff --git a/gcc/collect2.c b/gcc/collect2.c
index 13cb593..7c17824 100644 (file)
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -45,11 +45,7 @@ extern int errno;
 #endif
 
 #ifndef HAVE_STRERROR
-#if defined(bsd4_4) 
-extern const char *const sys_errlist[];
-#else
 extern char *sys_errlist[];
-#endif
 extern int sys_nerr;
 #else
 char *strerror();

diff --git a/gcc/config.in b/gcc/config.in
index f14c397..3200bbb 100644 (file)
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -19,6 +19,9 @@
 /* Define if `sys_siglist' is declared by <signal.h>.  */
 #undef SYS_SIGLIST_DECLARED
 
+/* Define if you have the strerror function.  */
+#undef HAVE_STRERROR
+
 /* Define if you have the <stddef.h> header file.  */
 #undef HAVE_STDDEF_H
 

diff --git a/gcc/config/alpha/xm-linux.h b/gcc/config/alpha/xm-linux.h
index 1333d21..ea180df 100644 (file)
--- a/gcc/config/alpha/xm-linux.h
+++ b/gcc/config/alpha/xm-linux.h
@@ -1,2 +1 @@
-#define HAVE_STRERROR
 #define USE_BFD

diff --git a/gcc/config/i386/xm-bsd386.h b/gcc/config/i386/xm-bsd386.h
index abcce3f..6b8eee7 100644 (file)
--- a/gcc/config/i386/xm-bsd386.h
+++ b/gcc/config/i386/xm-bsd386.h
@@ -1,5 +1,3 @@
 /* Configuration for GCC for Intel i386 running BSDI's BSD/386 as host.  */
 
 #include "i386/xm-i386.h"
-
-#define HAVE_STRERROR

diff --git a/gcc/config/i386/xm-cygwin32.h b/gcc/config/i386/xm-cygwin32.h
index b3f4c04..c45e75c 100644 (file)
--- a/gcc/config/i386/xm-cygwin32.h
+++ b/gcc/config/i386/xm-cygwin32.h
@@ -20,7 +20,6 @@ the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA. */
 
 #define NO_STAB_H
-#define HAVE_STRERROR
 #define HAVE_RUSAGE
 #define HAVE_FILE_H
 #define EXECUTABLE_SUFFIX ".exe"

diff --git a/gcc/config/i386/xm-dos.h b/gcc/config/i386/xm-dos.h
index 1dd0c01..e6e06f4 100644 (file)
--- a/gcc/config/i386/xm-dos.h
+++ b/gcc/config/i386/xm-dos.h
@@ -15,6 +15,3 @@
 #define MKTEMP_EACH_FILE 1
 
 #define NO_PRECOMPILES 1
-
-/* sys_errlist proto in cccp.c doesn't match djgpp */
-#define HAVE_STRERROR

diff --git a/gcc/config/i386/xm-mingw32.h b/gcc/config/i386/xm-mingw32.h
index 57ff72a..b6bd1c3 100644 (file)
--- a/gcc/config/i386/xm-mingw32.h
+++ b/gcc/config/i386/xm-mingw32.h
@@ -20,7 +20,6 @@ the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA. */
 
 #define NO_STAB_H
-#define HAVE_STRERROR
 #define HAVE_RUSAGE
 #define HAVE_FILE_H
 

diff --git a/gcc/config/pa/xm-pa.h b/gcc/config/pa/xm-pa.h
index 3d86e88..0249055 100644 (file)
--- a/gcc/config/pa/xm-pa.h
+++ b/gcc/config/pa/xm-pa.h
@@ -50,9 +50,6 @@ extern int errno;
 /* Don't try to use sys_siglist.  */
 #define NO_SYS_SIGLIST
 
-/* We have strerror, don't try to use sys_errlist.  */
-#define HAVE_STRERROR
-
 /* 4.3BSD, OSF1 and Lites on the PA are all derived from NET2 or
    later code from Berkeley.  */
 #define __BSD_NET2__

diff --git a/gcc/config/pa/xm-papro.h b/gcc/config/pa/xm-papro.h
index 66ec811..d36e201 100644 (file)
--- a/gcc/config/pa/xm-papro.h
+++ b/gcc/config/pa/xm-papro.h
@@ -50,9 +50,6 @@ extern int errno;
 /* Don't try to use sys_siglist.  */
 #define NO_SYS_SIGLIST
 
-/* We have strerror, don't try to use sys_errlist.  */
-#define HAVE_STRERROR
-
 /* HP's compiler has problems with enum bitfields.  */
 #define ONLY_INT_FIELDS
 

diff --git a/gcc/config/rs6000/xm-cygwin32.h b/gcc/config/rs6000/xm-cygwin32.h
index f7e30a1..158e54e 100644 (file)
--- a/gcc/config/rs6000/xm-cygwin32.h
+++ b/gcc/config/rs6000/xm-cygwin32.h
@@ -23,7 +23,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "rs6000/xm-rs6000.h"
 
-#define HAVE_STRERROR
 #define HAVE_RUSAGE
 #define HAVE_FILE_H
 #define EXECUTABLE_SUFFIX ".exe"

diff --git a/gcc/config/rs6000/xm-sysv4.h b/gcc/config/rs6000/xm-sysv4.h
index 3a13a57..5089c7d 100644 (file)
--- a/gcc/config/rs6000/xm-sysv4.h
+++ b/gcc/config/rs6000/xm-sysv4.h
@@ -56,9 +56,6 @@ extern char *alloca ();
 #define ONLY_INT_FIELDS
 #endif
 
-/* We have STRERROR */
-#define HAVE_STRERROR
-
 #ifdef __PPC__
 #ifndef __STDC__
 extern char *malloc (), *realloc (), *calloc ();

diff --git a/gcc/config/xm-freebsd.h b/gcc/config/xm-freebsd.h
index ab3aa11..b71ff56 100644 (file)
--- a/gcc/config/xm-freebsd.h
+++ b/gcc/config/xm-freebsd.h
@@ -22,6 +22,3 @@ Boston, MA 02111-1307, USA.  */
    running FreeBSD.  This file should not be specified as $xm_file itself;
    instead $xm_file should be CPU/xm-freebsd.h, which should include both
    CPU/xm-CPU.h and this file xm-freebsd.h.  */
-   
-/* FreeBSD has strerror.  */
-#define HAVE_STRERROR

diff --git a/gcc/config/xm-gnu.h b/gcc/config/xm-gnu.h
index 62debf6..64e8e2f 100644 (file)
--- a/gcc/config/xm-gnu.h
+++ b/gcc/config/xm-gnu.h
@@ -23,7 +23,6 @@ Boston, MA 02111-1307, USA.  */
    instead $xm_file should be CPU/xm-gnu.h, which should include both
    CPU/xm-CPU.h and this file xm-gnu.h.  */
 
-#define HAVE_STRERROR          /* GNU has strerror.  */
 #define POSIX                  /* GNU complies to POSIX.1.  */
 
 #ifndef inhibit_libc

diff --git a/gcc/config/xm-linux.h b/gcc/config/xm-linux.h
index 4ccf001..2a2b62b 100644 (file)
--- a/gcc/config/xm-linux.h
+++ b/gcc/config/xm-linux.h
@@ -22,9 +22,6 @@ Boston, MA 02111-1307, USA.  */
 #undef  HAVE_VPRINTF
 #define HAVE_VPRINTF
 
-#undef  HAVE_STRERROR
-#define HAVE_STRERROR
-
 #undef  HAVE_POPEN
 #define HAVE_POPEN
 

diff --git a/gcc/config/xm-netbsd.h b/gcc/config/xm-netbsd.h
index 00000ce..099a923 100644 (file)
--- a/gcc/config/xm-netbsd.h
+++ b/gcc/config/xm-netbsd.h
@@ -23,5 +23,4 @@ Boston, MA 02111-1307, USA.  */
    instead $xm_file should be CPU/xm-netbsd.h, which should include both
    CPU/xm-CPU.h and this file xm-netbsd.h.  */
    
-#define HAVE_STRERROR
 #define HAVE_VPRINTF

diff --git a/gcc/configure b/gcc/configure
index b91c782..0e16d03 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -1560,6 +1560,62 @@ EOF
 fi
 
 
+for ac_func in strerror
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:1567: 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 1572 "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:1595: \"$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
+
+
 # File extensions
 manext='.1'
 objext='.o'

diff --git a/gcc/configure.in b/gcc/configure.in
index cb2d6f1..2611ed8 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -142,6 +142,8 @@ GCC_NEED_DECLARATION(free)
 
 AC_DECL_SYS_SIGLIST
 
+AC_CHECK_FUNCS(strerror)
+
 # File extensions
 manext='.1'
 objext='.o'

diff --git a/gcc/cpplib.c b/gcc/cpplib.c
index 50ef8ca..2f0fff7 100644 (file)
--- a/gcc/cpplib.c
+++ b/gcc/cpplib.c
@@ -7483,11 +7483,7 @@ extern int errno;
 #ifndef VMS
 #ifndef HAVE_STRERROR
 extern int sys_nerr;
-#if defined(bsd4_4)
-extern const char *const sys_errlist[];
-#else
 extern char *sys_errlist[];
-#endif
 #else  /* HAVE_STRERROR */
 char *strerror ();
 #endif

diff --git a/gcc/gcc.c b/gcc/gcc.c
index c09285b..a03f972 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -143,11 +143,7 @@ extern int errno;
 
 #ifndef HAVE_STRERROR
 extern int sys_nerr;
-#if defined(bsd4_4)
-extern const char *const sys_errlist[];
-#else
 extern char *sys_errlist[];
-#endif
 #else
 extern char *strerror();
 #endif

diff --git a/gcc/protoize.c b/gcc/protoize.c
index bf5cfc7..bd4ac02 100644 (file)
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -89,11 +89,7 @@ extern int errno;
 
 #ifndef HAVE_STRERROR
 extern int sys_nerr;
-#if defined(bsd4_4)
-extern const char *const sys_errlist[];
-#else
 extern char *sys_errlist[];
-#endif
 #else
 extern char *strerror();
 #endif