summaryrefslogtreecommitdiff
path: root/Build/source/utils/texinfo/m4/check-decl.m4
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/utils/texinfo/m4/check-decl.m4')
-rw-r--r--Build/source/utils/texinfo/m4/check-decl.m475
1 files changed, 75 insertions, 0 deletions
diff --git a/Build/source/utils/texinfo/m4/check-decl.m4 b/Build/source/utils/texinfo/m4/check-decl.m4
new file mode 100644
index 00000000000..d70e1c90f8d
--- /dev/null
+++ b/Build/source/utils/texinfo/m4/check-decl.m4
@@ -0,0 +1,75 @@
+#serial 20
+
+dnl This is just a wrapper function to encapsulate this kludge.
+dnl Putting it in a separate file like this helps share it between
+dnl different packages.
+AC_DEFUN([gl_CHECK_DECLS],
+[
+ AC_REQUIRE([_gl_DECL_HEADERS])
+ AC_REQUIRE([AC_HEADER_TIME])
+ headers='
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <sys/types.h>
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+#if HAVE_UTMP_H
+# include <utmp.h>
+#endif
+
+#if HAVE_GRP_H
+# include <grp.h>
+#endif
+
+#if HAVE_PWD_H
+# include <pwd.h>
+#endif
+'
+
+ AC_CHECK_DECLS([
+ free,
+ getenv,
+ geteuid,
+ getgrgid,
+ getlogin,
+ getpwuid,
+ getuid,
+ getutent,
+ lseek,
+ malloc,
+ memchr,
+ memrchr,
+ nanosleep,
+ realloc,
+ stpcpy,
+ strndup,
+ strnlen,
+ strstr,
+ strtoul,
+ strtoull,
+ ttyname], , , $headers)
+])
+
+dnl FIXME: when autoconf has support for it.
+dnl This is a little helper so we can require these header checks.
+AC_DEFUN([_gl_DECL_HEADERS],
+[
+ AC_REQUIRE([AC_HEADER_STDC])
+ AC_CHECK_HEADERS(grp.h memory.h pwd.h string.h strings.h stdlib.h \
+ unistd.h sys/time.h utmp.h utmpx.h)
+])