From 9c55e0647658a618fb8fbaf8feb5c5737e28bf20 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Thu, 4 Nov 2010 23:41:21 +0000
Subject: Use spawnve on cygwin.

	* configure.ac (AC_CHECK_HEADERS): Add process.h.
	(checkfuncs): Add dup3, spawnve, spawnvpe; sort the list.
	(AC_CHECK_FUNCS): Add dup3, spawnve, spawnvpe.
	* configure, config.in: Rebuild.
	* pex-unix.c [HAVE_SPAWNVE] (pex_unix_exec_child): New function.
	[HAVE_SPAWNVE] (save_and_install_fd, restore_fd): New functions.
---
 libiberty/configure | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'libiberty/configure')

diff --git a/libiberty/configure b/libiberty/configure
index 3d7ba30..c16ced9 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -4895,7 +4895,7 @@ host_makefile_frag=${frag}
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h
+for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_preproc "$LINENO" "$ac_header" "$as_ac_Header"
@@ -5293,9 +5293,10 @@ funcs="$funcs setproctitle"
 
 vars="sys_errlist sys_nerr sys_siglist"
 
-checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
-checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
-checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking"
+checkfuncs="__fsetlocking canonicalize_file_name dup3 getrusage getsysinfo \
+ gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic realpath \
+ sbrk spawnve spawnvpe strerror strsignal sysconf sysctl sysmp table \
+ times wait3 wait4"
 
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
@@ -5303,6 +5304,7 @@ if test "x" = "y"; then
   for ac_func in asprintf atexit \
     basename bcmp bcopy bsearch bzero \
     calloc canonicalize_file_name clock \
+    dup3 \
     ffs __fsetlocking \
     getcwd getpagesize getrusage getsysinfo gettimeofday \
     index insque \
@@ -5310,8 +5312,8 @@ if test "x" = "y"; then
     on_exit \
     psignal pstat_getdynamic pstat_getstatic putenv \
     random realpath rename rindex \
-    sbrk setenv setproctitle sigsetmask snprintf stpcpy stpncpy strcasecmp strchr \
-    strdup \
+    sbrk setenv setproctitle sigsetmask snprintf spawnve spawnvpe \
+     stpcpy stpncpy strcasecmp strchr strdup \
      strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
      strtoul strverscmp sysconf sysctl sysmp \
     table times tmpnam \
-- 
cgit v1.1