From dad6e24886adbf10959492caf90fbe85572adf6d Mon Sep 17 00:00:00 2001
From: Petko Bordjukov <bordjukov@gmail.com>
Date: Thu, 9 Jun 2016 03:05:23 +0300
Subject: [PATCH 3/7] Disable libpng check

---
 configure.bash | 52 ++--------------------------------------------------
 1 file changed, 2 insertions(+), 50 deletions(-)

diff --git a/configure.bash b/configure.bash
index a1ec1de..94598bf 100755
--- a/configure.bash
+++ b/configure.bash
@@ -347,58 +347,10 @@ fi
 
 # libpng
 # try if given flags are enough
-HAS_LIBPNG=0
-if echo "#include \"png.h\"
-    int main(){
-    return !png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-}" | "$CC" -xc -std=c99 -o /dev/null $CFLAGS $LDFLAGS - &> /dev/null; then
-    status "libpng" "custom flags"
-    HAS_LIBPNG=1
-fi
+HAS_LIBPNG=1
+status "libpng" "custom flags"
 
 if [ "$HAS_LIBPNG" -eq 0 ]; then
-    # try static in the given directory
-    PNGH=$(find_h "$LIBPNG_DIR" "png.h")
-    if [ -n "$PNGH" ]; then
-        PNGH_STRING=$(pngh_string "$PNGH")
-        PNGH_MAJMIN=$(pngh_majmin "$PNGH")
-        if [[ -n "$PNGH_STRING" && -n "$PNGH_MAJMIN" ]]; then
-            LIBPNGA=$(find_f "$LIBPNG_DIR" "libpng${PNGH_MAJMIN}.a")
-            if [ -n "$LIBPNGA" ]; then
-                cflags "-I${PNGH%/*}"
-                lflags "${LIBPNGA}"
-                status "libpng" "static (${PNGH_STRING})"
-                HAS_LIBPNG=1
-            fi
-        fi
-    fi
-fi
-# try shared
-if [ "$HAS_LIBPNG" -eq 0 ]; then
-    if find_pkgconfig libpng; then
-        HAS_LIBPNG=1
-    else
-        for i in "${DIRS[@]}"; do
-            DIR=($i)
-            PNGH=$(find_h "${DIR[0]}" "png.h")
-            if [ -n "$PNGH" ]; then
-                PNGH_STRING=$(pngh_string "$PNGH")
-                PNGH_MAJMIN=$(pngh_majmin "$PNGH")
-                if [[ -n "$PNGH_STRING" && -n "$PNGH_MAJMIN" ]]; then
-                    LIBPNGSO=$(find_f "${DIR[1]}" "libpng${PNGH_MAJMIN}.$SOLIBSUFFIX*")
-                    if [ -n "$LIBPNGSO" ]; then
-                        cflags "-I${PNGH%/*}"
-                        lflags "-L${LIBPNGSO%/*} -lpng${PNGH_MAJMIN}"
-                        status "libpng" "shared (${PNGH_STRING})"
-                        HAS_LIBPNG=1
-                        break
-                    fi
-                fi
-            fi
-        done
-    fi
-fi
-if [ "$HAS_LIBPNG" -eq 0 ]; then
     if [[ "$OSTYPE" =~ "darwin" ]]; then
         LIBPNG_CMD='`brew install libpng`'
     else
-- 
2.8.3