dev-python/blosc: Unbundle c-blosc

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/blosc/blosc-1.9.1-r1.ebuild

@@ -18,7 +18,7 @@ KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
 IUSE="test"
 RESTRICT="!test? ( test )"
 
-RDEPEND="dev-libs/c-blosc:="
+RDEPEND=">=dev-libs/c-blosc-1.19.0:="
 DEPEND="${RDEPEND}"
 BDEPEND="
 	dev-python/scikit-build[${PYTHON_USEDEP}]
@@ -28,6 +28,10 @@ BDEPEND="
 	)
 "
 
+PATCHES=(
+	"${FILESDIR}"/${P}-unbundle.patch
+)
+
 python_prepare_all() {
 	export BLOSC_DIR="${EPREFIX}/usr"
 	distutils-r1_python_prepare_all

dev-python/blosc/files/blosc-1.9.1-unbundle.patch

@@ -0,0 +1,23 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 2711877..a4c949c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -4,16 +4,9 @@ find_package(PythonExtensions REQUIRED)
+ 
+ # Todo: c-blosc provides a CMake package configuration file that we can build
+ # against if blosc is available on the system, etc.
+-# find_package(blosc)
+-# if(NOT blosc_FOUND)
+-set(BUILD_STATIC ON CACHE BOOL "Build a static version of the blosc library.")
+-set(BUILD_SHARED OFF CACHE BOOL "Build a shared library version of the blosc library.")
+-set(BUILD_TESTS OFF CACHE BOOL "Build test programs form the blosc compression library")
+-set(BUILD_BENCHMARKS OFF CACHE BOOL "Build benchmark programs form the blosc compression library")
+-set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+-add_subdirectory(c-blosc)
++find_package(blosc)
+ 
+ add_library(blosc_extension MODULE blosc/blosc_extension.c)
+-target_link_libraries(blosc_extension blosc_static)
++target_link_libraries(blosc_extension blosc)
+ python_extension_module(blosc_extension)
+ install(TARGETS blosc_extension LIBRARY DESTINATION blosc)