winegcc: Ignore the test link command stdout and stderr messages.

Otherwise invoking winegcc on any platform where our first guess at the link options fails results in a lot of confusing error messages.

winegcc: Ignore the test link command stdout and stderr messages.
7d3f6d4c · Francois Gouget · Alexandre Julliard · 4343c9e1 · 7d3f6d4c
Commit 7d3f6d4c authored Sep 06, 2013 by Francois Gouget Committed by Alexandre Julliard Sep 06, 2013
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winegcc.c tools/winegcc/winegcc.c +16 -0

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--- a/tools/winegcc/winegcc.c
+++ b/tools/winegcc/winegcc.c
@@ -334,7 +334,9 @@ static int try_link( const strarray *prefix, const strarray *link_tool, const ch
 {
    const char *in = get_temp_file( "try_link", ".c" );
    const char *out = get_temp_file( "try_link", ".out" );
+    const char *err = get_temp_file( "try_link", ".err" );
    strarray *link = strarray_dup( link_tool );
+    int sout = -1, serr = -1;
    int ret;

    create_file( in, 0644, "int main(void){return 1;}\n" );
@@ -344,7 +346,21 @@ static int try_link( const strarray *prefix, const strarray *link_tool, const ch
    strarray_addall( link, strarray_fromstring( cflags, " " ) );
    strarray_add( link, in );

+    sout = dup( fileno(stdout) );
+    freopen( err, "w", stdout );
+    serr = dup( fileno(stderr) );
+    freopen( err, "w", stderr );
    ret = spawn( prefix, link, 1 );
+    if (sout >= 0)
+    {
+        dup2( sout, fileno(stdout) );
+        close( sout );
+    }
+    if (serr >= 0)
+    {
+        dup2( serr, fileno(stderr) );
+        close( serr );
+    }
    strarray_free( link );
    return ret;
 }