This patch fixes clang warnings on native Windows:
warning: implicit declaration of function '_endthreadex' is invalid in C99
warning: implicit declaration of function '_beginthreadex' is invalid in C99
2020-09-06 Bruno Haible <br...@clisp.org>
pipe-filter-ii, pipe-filter-gi: Fix warnings on native Windows.
* lib/pipe-filter-ii.c: Include <process.h>.
* lib/pipe-filter-gi.c: Likewise.
diff --git a/lib/pipe-filter-gi.c b/lib/pipe-filter-gi.c
index 8b6870f..f7f8f6e 100644
--- a/lib/pipe-filter-gi.c
+++ b/lib/pipe-filter-gi.c
@@ -28,6 +28,7 @@
#include <unistd.h>
#if defined _WIN32 && ! defined __CYGWIN__
# include <windows.h>
+# include <process.h> /* _beginthreadex, _endthreadex */
#else
# include <signal.h>
# include <sys/select.h>
diff --git a/lib/pipe-filter-ii.c b/lib/pipe-filter-ii.c
index 77a29dc..b29f802 100644
--- a/lib/pipe-filter-ii.c
+++ b/lib/pipe-filter-ii.c
@@ -27,6 +27,7 @@
#include <unistd.h>
#if defined _WIN32 && ! defined __CYGWIN__
# include <windows.h>
+# include <process.h> /* _beginthreadex, _endthreadex */
#elif defined __KLIBC__
# define INCL_DOS
# include <os2.h>
