* m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST

[pspp] / lib / stdlib_.h

diff --git a/lib/stdlib_.h b/lib/stdlib_.h
index 15ca39d8cdfb230e0d8b88b7b1ec338eb61c643c..d1e254ab769c33c4523d80c2c41bfc6e9c813f3e 100644 (file)
--- a/lib/stdlib_.h
+++ b/lib/stdlib_.h
@@ -19,28 +19,18 @@
 #if defined __need_malloc_and_calloc
 /* Special invocation convention inside glibc header files.  */
 
-/* This #pragma avoids a warning with "gcc -Wall" on some glibc systems
-   on which <stdlib.h> has an inappropriate declaration, see
-   <http://sourceware.org/bugzilla/show_bug.cgi?id=1079>.  */
-#ifdef __GNUC__
-# pragma GCC system_header
-#endif
-
-#include @ABSOLUTE_STDLIB_H@
+#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
 
 #else
 /* Normal invocation convention.  */
+
 #ifndef _GL_STDLIB_H
-#define _GL_STDLIB_H
 
-/* This #pragma avoids a warning with "gcc -Wall" on some glibc systems
-   on which <stdlib.h> has an inappropriate declaration, see
-   <http://sourceware.org/bugzilla/show_bug.cgi?id=1079>.  */
-#ifdef __GNUC__
-# pragma GCC system_header
-#endif
+/* The include_next requires a split double-inclusion guard.  */
+#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
 
-#include @ABSOLUTE_STDLIB_H@
+#ifndef _GL_STDLIB_H
+#define _GL_STDLIB_H
 
 
 /* The definition of GL_LINK_WARNING is copied here.  */
@@ -50,8 +40,13 @@
 #ifndef EXIT_SUCCESS
 # define EXIT_SUCCESS 0
 #endif
+/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
+   with proper operation of xargs.  */
 #ifndef EXIT_FAILURE
 # define EXIT_FAILURE 1
+#elif EXIT_FAILURE != 1
+# undef EXIT_FAILURE
+# define EXIT_FAILURE 1
 #endif
 
 
@@ -78,7 +73,7 @@ extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
 #elif defined GNULIB_POSIXCHECK
 # undef getsubopt
 # define getsubopt(o,t,v) \
-    (GL_LINK_WARNING ("getsubopt is unportable - "\
+    (GL_LINK_WARNING ("getsubopt is unportable - " \
                       "use gnulib module getsubopt for portability"), \
      getsubopt (o, t, v))
 #endif
@@ -91,12 +86,12 @@ extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
    they are replaced with a string that makes the directory name unique.
    Returns TEMPLATE, or a null pointer if it cannot get a unique name.
    The directory is created mode 700.  */
-extern char * mkdtemp (char *template);
+extern char * mkdtemp (char * /*template*/);
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef mkdtemp
 # define mkdtemp(t) \
-    (GL_LINK_WARNING ("mkdtemp is unportable - "\
+    (GL_LINK_WARNING ("mkdtemp is unportable - " \
                       "use gnulib module mkdtemp for portability"), \
      mkdtemp (t))
 #endif
@@ -114,12 +109,15 @@ extern char * mkdtemp (char *template);
    Returns the open file descriptor if successful, otherwise -1 and errno
    set.  */
 #  define mkstemp rpl_mkstemp
-extern int mkstemp (char *template);
+extern int mkstemp (char * /*template*/);
+# else
+/* On MacOS X 10.3, only <unistd.h> declares mkstemp.  */
+#  include <unistd.h>
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef mkstemp
 # define mkstemp(t) \
-    (GL_LINK_WARNING ("mkstemp is unportable - "\
+    (GL_LINK_WARNING ("mkstemp is unportable - " \
                       "use gnulib module mkstemp for portability"), \
      mkstemp (t))
 #endif
@@ -129,5 +127,6 @@ extern int mkstemp (char *template);
 }
 #endif
 
+#endif /* _GL_STDLIB_H */
 #endif /* _GL_STDLIB_H */
 #endif