From b7459231d26563870242164c156ed8be199821ce Mon Sep 17 00:00:00 2001
From: Joakim Hove <joakim.hove@gmail.com>
Date: Tue, 17 Sep 2019 14:16:55 +0200
Subject: [PATCH] Check CC environment variable

---
 python/setup-build.sh.in |  2 ++
 python/setup.py          | 13 +++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/python/setup-build.sh.in b/python/setup-build.sh.in
index b5e84c85b..d52a7cac0 100644
--- a/python/setup-build.sh.in
+++ b/python/setup-build.sh.in
@@ -12,6 +12,8 @@ cp -r @PROJECT_SOURCE_DIR@/python @PROJECT_BINARY_DIR@
 cd @PROJECT_BINARY_DIR@/python
 rm -f python/opm/libopmcommon_python.so
 
+export CC=@CMAKE_CXX_COMPILER@
+
 python setup.py build build_ext --build-lib=python/opm \
 --library-dirs=@_setup_lib_dirs@ \
 --include-dirs=@_setup_include_dirs@
diff --git a/python/setup.py b/python/setup.py
index 8b18e2d73..309dc2495 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -36,15 +36,16 @@ if setupdir != '':
   os.chdir( setupdir )
 
 try:
-  subprocess.call(["c++", "--version"])
-  subprocess.call(['ccache', '--version'])
-  os.environ['CC'] = 'ccache c++'
+    subprocess.call(['ccache', '--version'])
+    cc = os.environ.get("CC", "c++")
+    os.environ['CC'] = 'ccache {}'.format(cc)
+    print("Using 'ccache {}' as compiler".format(cc))
 except OSError as e:
-  print('\nNOTE: please install ccache for faster compilation of python bindings.\n')
+    print('\nNOTE: please install ccache for faster compilation of python bindings.\n')
 
 if 'build' in sys.argv:
-  if not 'build_ext' in sys.argv:
-    raise TypeError("Missing option 'build_ext'.")
+    if not 'build_ext' in sys.argv:
+        raise TypeError("Missing option 'build_ext'.")
 
 ext_modules = [
     Extension(