Use _spawnvp to replace fork for non-Unix platforms.

configure

diff --git a/configure b/configure
index f57035c..0aac349 100755
--- a/configure
+++ b/configure
@@ -13248,11 +13248,13 @@
 
 
 
+
 for ac_func in \
 	_lwp_create \
 	_pclose \
 	_popen \
 	_snprintf \
+	_spawnvp \
 	_stricmp \
 	_strnicmp \
 	_vsnprintf \

configure.ac

diff --git a/configure.ac b/configure.ac
index b505500..8eb46ee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -946,6 +946,7 @@
 	_pclose \
 	_popen \
 	_snprintf \
+	_spawnvp \
 	_stricmp \
 	_strnicmp \
 	_vsnprintf \

include/config.h.in

diff --git a/include/config.h.in b/include/config.h.in
index aae9d7b..65062d8 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -686,6 +686,9 @@
 /* Define to 1 if you have the `_snprintf' function. */
 #undef HAVE__SNPRINTF
 
+/* Define to 1 if you have the `_spawnvp' function. */
+#undef HAVE__SPAWNVP
+
 /* Define to 1 if you have the `_stricmp' function. */
 #undef HAVE__STRICMP
 

tools/winegcc.c

diff --git a/tools/winegcc.c b/tools/winegcc.c
index 0e07679..f51533a 100644
--- a/tools/winegcc.c
+++ b/tools/winegcc.c
@@ -75,6 +75,9 @@
 
 void spawn(char *const argv[])
 {
+#ifdef HAVE__SPAWNVP
+    if (!_spawnvp( _P_WAIT, argv[0], argv)) return;
+#else
     int pid, status, wret, i;
 
     if (verbose)
@@ -92,6 +95,8 @@
         if (pid == wret && WIFEXITED(status) && WEXITSTATUS(status) == 0) return;
         error("%s failed.", argv[0]);
     }
+#endif  /* HAVE__SPAWNVP */
+
     perror("Error:");
     exit(3);
 }

tools/winewrap.c

diff --git a/tools/winewrap.c b/tools/winewrap.c
index 1b6b26e..c6ff67c 100644
--- a/tools/winewrap.c
+++ b/tools/winewrap.c
@@ -296,6 +296,9 @@
 
 void spawn(char *const argv[])
 {
+#ifdef HAVE__SPAWNVP
+    if (!_spawnvp( _P_WAIT, argv[0], argv)) return;
+#else
     int pid, status, wret, i;
 
     if (verbose)
@@ -313,6 +316,8 @@
         if (pid == wret && WIFEXITED(status) && WEXITSTATUS(status) == 0) return;
         error("%s failed.", argv[0]);
     }
+#endif  /* HAVE__SPAWNVP */
+
     perror("Error:");
     exit(3);
 }
@@ -675,7 +680,7 @@
 
     /* create the loader script */
     create_file(base_file, app_loader_script, base_name);
-    chmod(base_file, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+    chmod(base_file, 0755);
 
     return 0;    
 }