libplacebo: fix installed pkg-config file

[Thomas Klausner <wiz%gatalith.at@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <wiz%gatalith.at@localhost>
Pushed By:	wiz
Date:		Sun Dec 31 16:06:49 2023 +0100
Changeset:	bdfe9d130043267b8576f512ba2fe13061decca4

Modified Files:
	libplacebo/Makefile

Log Message:
libplacebo: fix installed pkg-config file

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=bdfe9d130043267b8576f512ba2fe13061decca4

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 libplacebo/Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diffs:
diff --git a/libplacebo/Makefile b/libplacebo/Makefile
index bf44deec62..eea71a8e44 100644
--- a/libplacebo/Makefile
+++ b/libplacebo/Makefile
@@ -25,6 +25,7 @@ MESON_ARGS+=	-Dglslang=disabled
 MESON_ARGS+=	-Dlcms=enabled
 MESON_ARGS+=	-Dopengl=enabled
 MESON_ARGS+=	-Dshaderc=disabled
+# doesn't work
 MESON_ARGS+=	-Dvulkan=disabled
 MESON_ARGS+=	-Dxxhash=enabled
 
@@ -34,6 +35,10 @@ USE_TOOLS+=		pkg-config
 USE_LANGUAGES=		c c++
 USE_CXX_FEATURES=	c++17
 
+PKGCONFIG_OVERRIDE+=	output/meson-private/libplacebo.pc
+
+PKGCONFIG_OVERRIDE_STAGE=	post-configure
+
 # Populate <fast_float/fast_float.h>
 pre-configure:
 	${MKDIR} ${WRKSRC}/3rdparty/fast_float/include/fast_float