[FFmpeg-cvslog] configure: Support preprocessor macros as header names

[Diego Biurrun]

ffmpeg | branch: release/1.1 | Diego Biurrun <diego at biurrun.de> | Mon Dec 23 01:03:48 2013 +0100| [a32e45df82751784f9461f01310e63f4bed721dc] | committer: Luca Barbato

configure: Support preprocessor macros as header names

New versions of FreeType have moved the location of their API
header(s) and hide the location behind a macro.

Since the location changes between versions and no other way
to know the location exists, this workaround becomes necessary.

Signed-off-by: Luca Barbato <lu_zero at gentoo.org>
(cherry picked from commit 52ccc4a0ece88030e67254418317d72089a0ecc8)
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a32e45df82751784f9461f01310e63f4bed721dc
---

 configure |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index d65c112..2734003 100755
--- a/configure
+++ b/configure
@@ -738,6 +738,13 @@ check_ld(){
     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 }
 
+print_include(){
+    hdr=$1
+    test "${hdr%.h}" = "${hdr}" &&
+        echo "#include $hdr"    ||
+        echo "#include <$hdr>"
+}
+
 check_code(){
     log check_code "$@"
     check=$1
@@ -746,7 +753,7 @@ check_code(){
     shift 3
     {
         for hdr in $headers; do
-            echo "#include <$hdr>"
+            print_include $hdr
         done
         echo "int main(void) { $code; return 0; }"
     } | check_$check "$@"
@@ -822,7 +829,7 @@ check_func_headers(){
     shift 2
     {
         for hdr in $headers; do
-            echo "#include <$hdr>"
+            print_include $hdr
         done
         for func in $funcs; do
             echo "long check_$func(void) { return (long) $func; }"