diff --git a/dev-libs/flatbuffers/flatbuffers-1.12.0.recipe b/dev-libs/flatbuffers/flatbuffers-24.3.25.recipe
similarity index 79%
rename from dev-libs/flatbuffers/flatbuffers-1.12.0.recipe
rename to dev-libs/flatbuffers/flatbuffers-24.3.25.recipe
index dc29d6c86..18146a291 100644
--- a/dev-libs/flatbuffers/flatbuffers-1.12.0.recipe
+++ b/dev-libs/flatbuffers/flatbuffers-24.3.25.recipe
@@ -8,10 +8,10 @@ COPYRIGHT="2014 Google Inc."
 LICENSE="Apache v2"
 REVISION="1"
 SOURCE_URI="https://github.com/google/flatbuffers/archive/v$portVersion.tar.gz"
-CHECKSUM_SHA256="62f2223fb9181d1d6338451375628975775f7522185266cd5296571ac152bc45"
+CHECKSUM_SHA256="4157c5cacdb59737c5d627e47ac26b140e9ee28b1102f812b36068aab728c1ed"
 SOURCE_FILENAME="flatbuffers-$portVersion.tar.gz"
 
-ARCHITECTURES="all ?x86_gcc2 ?x86"
+ARCHITECTURES="all !x86_gcc2"
 SECONDARY_ARCHITECTURES="x86"
 
 libVersion="$portVersion"
@@ -50,31 +50,26 @@ defineDebugInfoPackage flatbuffers$secondaryArchSuffix \
 
 BUILD()
 {
-	mkdir -p haiku_build
-	cd haiku_build
-
-	cmake .. \
+	cmake -B build -S . -DCMAKE_BUILD_TYPE=Release \
+		$cmakeDirArgs \
 		-DFLATBUFFERS_BUILD_SHAREDLIB=ON \
 		-DFLATBUFFERS_BUILD_FLATLIB=OFF \
 		-DFLATBUFFERS_BUILD_FLATC=ON \
 		-DFLATBUFFERS_BUILD_FLATHASH=ON \
-		-DFLATBUFFERS_BUILD_TESTS=ON \
-		-DFLATBUFFERS_INSTALL=ON \
-		$cmakeDirArgs
+		-DFLATBUFFERS_BUILD_TESTS=OFF \
+		-DFLATBUFFERS_INSTALL=ON
 
-	make $jobArgs
+	make -C build $jobArgs
 }
 
 INSTALL()
 {
-	cd haiku_build
-	make install
-
-	install -d -m 755 "$binDir"
-	install -m 755 -t "$binDir" flatc
+	make -C build install
 
 	# prepare develop/lib
-	prepareInstalledDevelLibs libflatbuffers
+	prepareInstalledDevelLib \
+		libflatbuffers
+	fixPkgconfig
 
 	# devel package
 	packageEntries devel \
@@ -85,6 +80,5 @@ INSTALL()
 
 TEST()
 {
-	cd haiku_build
-	make test
+	ctest --test-dir build --output-on-failure
 }