dev-python/cffi: don't call Homebrew on Darwin

Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Sam James <sam@gentoo.org>

dev-python/cffi/cffi-1.14.0-r3.ebuild

@@ -31,6 +31,7 @@ distutils_enable_sphinx doc/source
 
 PATCHES=(
 	"${FILESDIR}"/cffi-0.14.0-g-line.patch
+	"${FILESDIR}"/cffi-1.14.0-darwin-no-brew.patch
 )
 
 src_configure() {

dev-python/cffi/files/cffi-1.14.0-darwin-no-brew.patch

@@ -0,0 +1,14 @@
+diff --git a/setup.py b/setup.py
+index e1dd39d..3e88f74 100644
+--- a/setup.py
++++ b/setup.py
+@@ -105,9 +105,6 @@ def uses_msvc():
+     return config.try_compile('#ifndef _MSC_VER\n#error "not MSVC"\n#endif')
+ 
+ def use_pkg_config():
+-    if sys.platform == 'darwin' and os.path.exists('/usr/local/bin/brew'):
+-        use_homebrew_for_libffi()
+-
+     _ask_pkg_config(include_dirs,       '--cflags-only-I', '-I', sysroot=True)
+     _ask_pkg_config(extra_compile_args, '--cflags-only-other')
+     _ask_pkg_config(library_dirs,       '--libs-only-L', '-L', sysroot=True)