cmake: update to 3.18.4.

Closes: #26056

srcpkgs/cmake/template

@@ -1,7 +1,7 @@
 # Template file for 'cmake'
 pkgname=cmake
-version=3.18.2
-revision=2
+version=3.18.4
+revision=1
 build_style=cmake
 configure_args="-DCMAKE_DOC_DIR=/share/doc/cmake
  -DCMAKE_BUILD_TYPE=None
@@ -20,7 +20,14 @@ maintainer="Nathan Owens <ndowens04@gmail.com>"
 license="LGPL-2.1-or-later, BSD-3-Clause"
 homepage="https://www.cmake.org"
 distfiles="https://www.cmake.org/files/v${version%.*}/${pkgname}-${version}.tar.gz"
-checksum=5d4e40fc775d3d828c72e5c45906b4d9b59003c9433ff1b36a1cb552bbd51d7e
+checksum=597c61358e6a92ecbfad42a9b5321ddd801fc7e7eca08441307c9138382d4f77
+
+pre_check() {
+	# use ctest of this build instead of requirig cmake to test cmake...
+	vsed -i "${wrksrc}/build/Makefile" \
+		-e 's!/usr/bin/ctest!ctest!g'
+	export PATH="${wrksrc}/build/bin:$PATH"
+}
 
 post_install() {
 	rm -rf ${DESTDIR}/usr/share/doc/cmake