diff --git a/api b/api
index 06243e2..1d7c4a7 160000
--- a/api
+++ b/api
@@ -1 +1 @@
-Subproject commit 06243e2673ffa4b050c957276d6cb18b0feb981f
+Subproject commit 1d7c4a7986d35403dadb29d0d7d67a6c092ad42d
diff --git a/build b/build
index 789677e..f3a040e 100755
--- a/build
+++ b/build
@@ -186,13 +186,20 @@ cc() (
 ### DEPENDENCIES
 use() {
     local option=$1 requisite=$2 lib=$3; shift 3
-    local enabled=${!option}
+    local enabled=${!option} found=0 _cflags _ldflags
 
     if (( enabled )); then
-        if haslib "$lib"; then
-            for lib in "$lib" "$@"; do
-                haslib "$lib" && ldflags+=( -l"$lib" )
-            done
+        for lib in "$lib" "$@"; do
+            if _cflags=$(pkg-config --cflags "$lib" 2>/dev/null) && _ldflags=$(pkg-config --libs "$lib" 2>/dev/null); then
+                cflags+=( $_cflags ) ldflags+=( $_ldflags ); found=1
+            elif _cflags=$(pkg-config --cflags "lib$lib" 2>/dev/null) && _ldflags=$(pkg-config --libs "lib$lib" 2>/dev/null); then
+                cflags+=( $_cflags ) ldflags+=( $_ldflags ); found=1
+            elif haslib "$lib"; then
+                ldflags+=( -l"$lib" ); found=1
+            fi
+        done
+
+        if (( found )); then
             echo "INFO:     Enabled $option (lib$lib)."
             return 0