[FFmpeg-cvslog] configure: Add a comment indicating why uclibc is checked before glibc

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Thu Jan 31 00:50:51 2013 +0100| [197252f1c58b1d53f97c10201990a471dd46d31c] | committer: Diego Biurrun

configure: Add a comment indicating why uclibc is checked before glibc

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=197252f1c58b1d53f97c10201990a471dd46d31c
---

 configure |    1 +
 1 file changed, 1 insertion(+)

diff --git a/configure b/configure
index c41a396..ebeea83 100755
--- a/configure
+++ b/configure
@@ -3035,6 +3035,7 @@ esac
 
 # determine libc flavour
 
+# uclibc defines __GLIBC__, so it needs to be checked before glibc.
 if check_cpp_condition features.h "defined __UCLIBC__"; then
     libc_type=uclibc
     add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600