testing/gperftools: fix pkgconf warning

closes #15364

testing/gperftools/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Alex Denes <caskd@redxen.eu>
 pkgname=gperftools
 pkgver=2.10.80
-pkgrel=0
+pkgrel=1
 pkgdesc="Fast, multi-threaded malloc and nifty performance analysis tools"
 url="https://github.com/gperftools/gperftools"
 # everything else fails even more tests or isn't supported
@@ -30,6 +30,7 @@ checkdepends="
 builddir="$srcdir/gperftools-gperftools-$pkgver"
 source="https://github.com/gperftools/gperftools/archive/refs/tags/gperftools-$pkgver.tar.gz
 	failed-tests.patch
+	pkgconfig.patch
 	"
 
 prepare() {
@@ -103,4 +104,5 @@ tcmalloc_profiler() {
 sha512sums="
 b30c68b8e6831c2a8d78d632862a77603a6bfb4833c9a40ba7efe43d12f58e9e203079e56510f0512ebb5bf656b1e2d7f0c2bd8f830bdf03d015c506abdb4a2d  gperftools-2.10.80.tar.gz
 d4f7cb16985e8e232c0f2e5794adfc06b30d42b4df860fe21954ce79a7537571a439ce3392c652372a44499bb0f3f5ad640d7b7fb1dbf60aa739b841f4723587  failed-tests.patch
+bfec285aa83fb8cc1d494bcde50caee3faae8c23e1519c64c43bed05f3c3ccf5ef012bbcfac7a0f4dd41d82d6d2d4589bcb42697ff1e41e20ed548eb5b103ada  pkgconfig.patch
 "

testing/gperftools/pkgconfig.patch

@@ -0,0 +1,19 @@
+From: ptrcnull <git@ptrcnull.me>
+Date: Sun, 15 Oct 2023 22:45:06 +0200
+Subject: [PATCH] fix loading .pc file with new pkgconf
+
+see https://gitlab.alpinelinux.org/alpine/aports/-/issues/15364
+
+diff --git a/Makefile.am b/Makefile.am
+index 05465de..aff1899 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -1392,7 +1392,7 @@ libtcmalloc.pc: Makefile
+ 	echo '' >> "$@".tmp
+ 	echo 'Name: $(PACKAGE)' >> "$@".tmp
+ 	echo 'Version: $(VERSION)' >> "$@".tmp
+-	echo 'Summary: Performance tools for C++' >> "$@".tmp
++	echo 'Description: Performance tools for C++' >> "$@".tmp
+ 	echo 'URL: https://github.com/gperftools/gperftools' >> "$@".tmp
+ 	echo 'Requires:' >> "$@".tmp
+ 	echo 'Libs: -L$${libdir} -ltcmalloc' >> "$@".tmp