Zebediah Figura : makedep: Check for external libraries instead of include paths when determining whether to allow external includes.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e454c62f36c7330fbdb59815771966a8d4b90c4a
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e454c62f36c7330fbdb59815771966a8d4b90c4a

Author: Zebediah Figura <zfigura at codeweavers.com>
Date:   Mon Nov 29 16:43:06 2021 -0600

makedep: Check for external libraries instead of include paths when determining whether to allow external includes.

The include path may be empty, e.g. if the relevant headers are to be found
directly in the MinGW sysroot.

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 tools/makedep.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/tools/makedep.c b/tools/makedep.c
index ac3e6d969e2..2301ecf191e 100644
--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -1286,6 +1286,22 @@ static struct makefile *find_importlib_module( const char *name )
 }
 
 
+/*******************************************************************
+ *         has_external_import
+ */
+static int has_external_import( const struct makefile *make )
+{
+    unsigned int i;
+
+    for (i = 0; i < make->imports.count; i++)
+    {
+        if (!strncmp( make->imports.str[i], "-l", 2 ))
+            return 1;
+    }
+    return 0;
+}
+
+
 /*******************************************************************
  *         open_include_file
  */
@@ -1404,7 +1420,7 @@ static struct file *open_include_file( const struct makefile *make, struct incl_
     {
         if (!strcmp( pFile->name, "stdarg.h" )) return NULL;
         if (!strcmp( pFile->name, "x86intrin.h" )) return NULL;
-        if (make->include_paths.count) return NULL;
+        if (has_external_import( make )) return NULL;
         fprintf( stderr, "%s:%d: error: system header %s cannot be used with msvcrt\n",
                  pFile->included_by->file->name, pFile->included_line, pFile->name );
         exit(1);