c_blosc: clean up

dev-libs/c_blosc/c_blosc-1.18.1.recipe

@@ -9,7 +9,7 @@ HOMEPAGE="https://www.blosc.org/"
 COPYRIGHT="2012 Francesc Alted
 	2019-2020 Blosc Development team"
 LICENSE="MIT"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://github.com/Blosc/c-blosc/archive/v$portVersion.tar.gz"
 CHECKSUM_SHA256="18730e3d1139aadf4002759ef83c8327509a9fca140661deb1d050aebba35afb"
 SOURCE_FILENAME="c_blosc-$portVersion.tar.gz"
@@ -62,10 +62,7 @@ defineDebugInfoPackage c_blosc$secondaryArchSuffix \
 
 BUILD()
 {
-	mkdir -p haiku_build
-	cd haiku_build
-
-	cmake .. \
+	cmake -Bbuild -S. -DCMAKE_BUILD_TYPE=RelWithDebInfo \
 		-DPREFER_EXTERNAL_LZ4=ON \
 		-DPREFER_EXTERNAL_SNAPPY=ON \
 		-DPREFER_EXTERNAL_ZLIB=ON \
@@ -79,9 +76,7 @@ BUILD()
 
 INSTALL()
 {
-	cd haiku_build
-
-	make install
+	make -C build install
 
 	# move include dir to correct location
 	mkdir -p $(dirname $includeDir)
@@ -104,6 +99,5 @@ INSTALL()
 
 TEST()
 {
-	cd haiku_build
-	make test
+	make -C build test
 }