After having a bug fixed with glad 2.0.6 the workaround with adding
the header path (lib was not necessary) is no longer necessary.


Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/libplacebo/Makefile,v
retrieving revision 1.12
diff -u -p -u -p -r1.12 Makefile
--- Makefile	20 Feb 2024 10:34:30 -0000	1.12
+++ Makefile	18 Mar 2024 18:07:41 -0000
@@ -3,6 +3,7 @@ COMMENT=	reusable library for GPU-accele
 GH_ACCOUNT=	haasn
 GH_PROJECT=	libplacebo
 GH_TAGNAME=	v6.338.2
+REVISION=	0
 CATEGORIES=	graphics
 
 SHARED_LIBS=	placebo	8.0
@@ -13,16 +14,14 @@ MAINTAINER=	Brad Smith <brad@comstyle.co
 PERMIT_PACKAGE=	Yes
 
 WANTLIB +=	${COMPILER_LIBCXX}
-WANTLIB +=	execinfo lcms2 m pthread
-WANTLIB +=	shaderc_shared vulkan
+WANTLIB +=	execinfo lcms2 m pthread shaderc_shared vulkan
 # GL and epoxy are dlopened by libplacebo
-WANTLIB +=	epoxy GL
-
+WANTLIB +=	GL epoxy
 
 MODULES=	devel/meson
 
 BUILD_DEPENDS=	devel/fast-float \
-		graphics/glad \
+		graphics/glad>=2.0.6 \
 		graphics/vulkan-headers
 
 LIB_DEPENDS=	graphics/lcms2 \
@@ -30,12 +29,6 @@ LIB_DEPENDS=	graphics/lcms2 \
 		graphics/vulkan-loader
 
 COMPILER=	base-clang ports-gcc
-
-CFLAGS +=		-I${X11BASE}/include
-LDFLAGS +=		-L${X11BASE}/lib
-
-MODMESON_CONFIGURE_ENV +=	CFLAGS="${CFLAGS}" \
-					LDFLAGS="${LDFLAGS}"
 
 CONFIGURE_ARGS+=-Ddefault_library=both \
 		-Dd3d11=disabled \