From: Mark Wooding <mdw@distorted.org.uk>
Date: Tue, 1 Oct 2019 21:57:40 +0000 (+0100)
Subject: mdwsetup.py (pkg_config): Check environment for settings.
X-Git-Tag: 1.4.0~12
X-Git-Url: https://git.distorted.org.uk/~mdw/cfd/commitdiff_plain/ab5cf08d58804d59e0b8f785881d770acfedbf4e

mdwsetup.py (pkg_config): Check environment for settings.

This can override or replace pkg-config(1), similar to the
`PKG_CHECK_MODULES' Autoconf macro.
---

diff --git a/mdwsetup.py b/mdwsetup.py
index 322e194..06990a8 100644
--- a/mdwsetup.py
+++ b/mdwsetup.py
@@ -104,11 +104,14 @@ def pkg_config(pkg, version):
 
   spec = '%s >= %s' % (pkg, version)
 
-  for word in progoutput(['pkg-config', '--cflags', spec]).split():
+  try: cflags = OS.environ["%s_CFLAGS" % pkg]
+  except KeyError: cflags = progoutput(['pkg-config', '--cflags', spec])
+  for word in cflags.split():
     if word.startswith('-I'): INCLUDEDIRS.append(word[2:])
     else: weird('CFLAGS', word)
-
-  for word in progoutput(['pkg-config', '--libs', spec]).split():
+  try: libs = OS.environ["%s_LIBS" % pkg]
+  except KeyError: libs = progoutput(['pkg-config', '--libs', spec])
+  for word in libs.split():
     if word.startswith('-L'): LIBDIRS.append(word[2:])
     elif word.startswith('-l'): LIBS.append(word[2:])
     else: weird('LIBS', word)