setup.py: Make setup.py work on non-linuxcross_platform

1 files changed, 29 insertions, 25 deletions

diff --git a/setup.py b/setup.py
index 953485dc9..2022e6cbb 100755
--- a/setup.py
+++ b/setup.py
@@ -26,12 +26,14 @@ if sys.version_info[0] != 3 or sys.version_info[1] < 4:
     print("BuildStream requires Python >= 3.4")
     sys.exit(1)
 
-bwrap_path = shutil.which('bwrap')
-if not bwrap_path:
-    print("Bubblewrap not found: BuildStream requires Bubblewrap (bwrap) for"
-          " sandboxing the build environment. Install it using your package manager"
-          " (usually bwrap or bubblewrap)")
-    sys.exit(1)
+platform = os.environ.get('BST_FORCE_BACKEND', '') or sys.platform
+if platform.startswith('linux'):
+    bwrap_path = shutil.which('bwrap')
+    if not bwrap_path:
+        print("Bubblewrap not found: BuildStream requires Bubblewrap (bwrap) for"
+              " sandboxing the build environment. Install it using your package manager"
+              " (usually bwrap or bubblewrap)")
+        sys.exit(1)
 
 try:
     from setuptools import setup, find_packages
@@ -56,27 +58,29 @@ def exit_ostree(reason):
           "Install it using your package manager (usually ostree or gir1.2-ostree-1.0).")
     sys.exit(1)
 
-try:
-    import gi
-except ImportError:
-    print("BuildStream requires PyGObject (aka PyGI). Install it using"
-          " your package manager (usually pygobject3 or python-gi).")
-    sys.exit(1)
+if platform.startswith('linux'):
+    try:
+        import gi
+    except ImportError:
+        print("BuildStream requires PyGObject (aka PyGI). Install it using"
+              " your package manager (usually pygobject3 or python-gi).")
+        sys.exit(1)
 
-try:
-    gi.require_version('OSTree', '1.0')
-    from gi.repository import OSTree
-except:
-    exit_ostree("OSTree not found")
+if platform.startswith('linux'):
+    try:
+        gi.require_version('OSTree', '1.0')
+        from gi.repository import OSTree
+    except:
+        exit_ostree("OSTree not found")
 
-try:
-    if OSTree.YEAR_VERSION < REQUIRED_OSTREE_YEAR or \
-       (OSTree.YEAR_VERSION == REQUIRED_OSTREE_YEAR and
-        OSTree.RELEASE_VERSION < REQUIRED_OSTREE_RELEASE):
-        exit_ostree("OSTree v{}.{} is too old."
-                    .format(OSTree.YEAR_VERSION, OSTree.RELEASE_VERSION))
-except AttributeError:
-    exit_ostree("OSTree is too old.")
+    try:
+        if OSTree.YEAR_VERSION < REQUIRED_OSTREE_YEAR or \
+           (OSTree.YEAR_VERSION == REQUIRED_OSTREE_YEAR and
+            OSTree.RELEASE_VERSION < REQUIRED_OSTREE_RELEASE):
+            exit_ostree("OSTree v{}.{} is too old."
+                        .format(OSTree.YEAR_VERSION, OSTree.RELEASE_VERSION))
+    except AttributeError:
+        exit_ostree("OSTree is too old.")
 
 
 ###########################################