dev-python/llvmlite: Use parallel make for shared library

diff --git a/dev-python/llvmlite/llvmlite-0.25.0_rc1.ebuild b/dev-python/llvmlite/llvmlite-0.25.0_rc1.ebuild
index c882b6bc8644fc27b1ecf17c3e3f3eb728ff30d5..64fcac0111167d757214824dbee9d795e53f84aa 100644 (file)
--- a/dev-python/llvmlite/llvmlite-0.25.0_rc1.ebuild
+++ b/dev-python/llvmlite/llvmlite-0.25.0_rc1.ebuild
@@ -34,13 +34,20 @@ PATCHES=(
        "${FILESDIR}"/llvmlite-0.15.0-use-system-six.patch
 )
 
-python_prepare_all() {
-       # disable -flto, we do not force it against user's wishes
-       # add -fPIC, needed to link against shared libraries
-       # plus use those vars to force our CXXFLAGS/LDFLAGS in...
-       export CXX_FLTO_FLAGS="${CXXFLAGS} -fPIC"
-       export LD_FLTO_FLAGS="${LDFLAGS} -fPIC"
-       distutils-r1_python_prepare_all
+python_configure_all() {
+       # upstream's build system is just horrible, and they ignored the PR
+       # fixing it, so let's build the shared lib properly using implicit
+       # make rules
+
+       export LDLIBS=$(llvm-config --libs all)
+       export CXXFLAGS="$(llvm-config --cxxflags) -fPIC ${CXXFLAGS}"
+       export LDFLAGS="$(llvm-config --ldflags) ${LDFLAGS}"
+
+       local files=( ffi/*.cpp )
+       emake -f - <<EOF
+ffi/libllvmlite.so: ${files[*]/.cpp/.o}
+       \$(CXX) -shared \$(CXXFLAGS) \$(LDFLAGS) -o \$@ \$^ \$(LDLIBS)
+EOF
 }
 
 python_test() {