avoid implicit wait and exit declarations for C99

git-svn-id: svn://tug.org/texlive/trunk/Build/source@65717 c570f23f-e606-0410-a88d-b1316a301751
TeX-Live · Feb 2, 2023 · bb307f8 · bb307f8
1 parent 7e640b5
commit bb307f8
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Showing 3 changed files with 14 additions and 2 deletions.
diff --git a/texk/xdvik/ChangeLog b/texk/xdvik/ChangeLog
@@ -1,3 +1,9 @@
+2023-02-02  Florian Weimer  <fweimer@redhat.com>
+
+	* m4/xdvi-func-setsid-in-fork.m4.c99-4: avoid implicit
+	declarations of wait and exit, to appease C99.
+	https://tug.org/pipermail/tex-live/2023-January/048833.html
+
 2022-02-13  Paul Vojta  <vojta@math.berkeley.edu>
 
 	* dvi-init.c (make_backup_fp): call new try_dup, and existing

diff --git a/texk/xdvik/configure b/texk/xdvik/configure
@@ -16406,6 +16406,9 @@ else $as_nop
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
 #ifdef HAVE_VFORK_H
 #include <vfork.h>
 #endif
@@ -16427,7 +16430,7 @@ main (void)
 
     while (wait(&status) != child)
       ;
-    exit(
+    _exit(
 	 /* Was there some problem with vforking?  */
 	 child < 0
 

diff --git a/texk/xdvik/m4/xdvi-func-setsid-in-fork.m4 b/texk/xdvik/m4/xdvi-func-setsid-in-fork.m4
@@ -22,6 +22,9 @@ AC_DEFUN([XDVI_FUNC_SETSID_IN_VFORK],
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
 #ifdef HAVE_VFORK_H
 #include <vfork.h>
 #endif]],
@@ -40,7 +43,7 @@ AC_DEFUN([XDVI_FUNC_SETSID_IN_VFORK],
 
     while (wait(&status) != child)
       ;
-    exit(
+    _exit(
 	 /* Was there some problem with vforking?  */
 	 child < 0