From 6c0abcb890e1720c12ee9bc6a5e3fd74c28615c4 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@bnl.gov>
Date: Sat, 30 Mar 2013 11:26:07 -0400
Subject: [PATCH] update make config

---
 configure/CONFIG_SITE  |  2 ++
 configure/Makefile     |  5 +++++
 devsupApp/src/Makefile | 29 +++++++++++++++++++---------
 makehelper.py          | 44 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 71 insertions(+), 9 deletions(-)
 create mode 100644 makehelper.py

diff --git a/configure/CONFIG_SITE b/configure/CONFIG_SITE
index 72b399d..15bb1a7 100644
--- a/configure/CONFIG_SITE
+++ b/configure/CONFIG_SITE
@@ -31,3 +31,5 @@ CHECK_RELEASE = YES
 # You must rebuild in the iocBoot directory for this to
 #   take effect.
 #IOCS_APPL_TOP = </IOC/path/to/application/top>
+
+PYTHON ?= python
diff --git a/configure/Makefile b/configure/Makefile
index 9254309..3f54d2c 100644
--- a/configure/Makefile
+++ b/configure/Makefile
@@ -5,4 +5,9 @@ include $(TOP)/configure/CONFIG
 TARGETS = $(CONFIG_TARGETS)
 CONFIGS += $(subst ../,,$(wildcard $(CONFIG_INSTALLS)))
 
+TARGETS += CONFIG_PY
+
 include $(TOP)/configure/RULES
+
+CONFIG_PY: $(TOP)/makehelper.py
+	$(PYTHON) $< $@
diff --git a/devsupApp/src/Makefile b/devsupApp/src/Makefile
index 5c132b5..e4a0db7 100644
--- a/devsupApp/src/Makefile
+++ b/devsupApp/src/Makefile
@@ -5,16 +5,19 @@ include $(TOP)/configure/CONFIG
 #  ADD MACRO DEFINITIONS AFTER THIS LINE
 #=============================
 
-PYTHON = python
-# EG 2.7
-PY_VER = $(shell $(PYTHON) -c 'from distutils.sysconfig import get_config_var; print get_config_var("VERSION")')
-# EG -I/usr/include/python2.7
-PY_CFLAGS := -I$(shell $(PYTHON) -c 'from distutils.sysconfig import get_python_inc; print get_python_inc()')
-# EG -L/usr/lib
-PY_LIBDIR := -L$(shell $(PYTHON) -c 'from distutils.sysconfig import get_config_var; print get_config_var("LIBDIR")')
+ifdef T_A
+include $(TOP)/configure/O.$(T_A)/CONFIG_PY
+ifneq ($(PY_OK),YES)
+$(error Unable to get python configuration)
+endif
+endif
 
-USR_CPPFLAGS += $(PY_CFLAGS)
-USR_LDFLAGS += $(PY_LIBDIR)
+USR_CPPFLAGS += $(PY_INCDIRS:%=-I%)
+USR_LDFLAGS += $(PY_LIBDIRS:%=-L%)
+
+ifeq ($(HAVE_NUMPY),YES)
+USR_CPPFLAGS += -DHAVE_NUMPY
+endif
 
 #=============================
 # Build the IOC application
@@ -53,3 +56,11 @@ include $(TOP)/configure/RULES
 #----------------------------------------
 #  ADD RULES AFTER THIS LINE
 
+pyconfig:
+	@echo "Python Configuration for interpreter: $(PYTHON)"
+	@echo "Version: $(PY_VER)"
+	@echo "Found numpy: $(HAVE_NUMPY)"
+	@echo "Includes: $(PY_INCDIRS)"
+	@echo "Library path: $(PY_LIBDIRS)"
+	@echo "USR_CPPFLAGS: $(USR_CPPFLAGS)"
+	@echo "USR_LDFLAGS: $(USR_LDFLAGS)"
diff --git a/makehelper.py b/makehelper.py
new file mode 100644
index 0000000..9952d74
--- /dev/null
+++ b/makehelper.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+"""
+Set some python derived Makefile variables.
+
+Emits something like the following
+
+PY_OK := YES  # indicates success of this script
+HAVE_NUMPY := YES/NO
+PY_VER := 2.6
+PY_INCDIRS := /path ...
+PY_LIBDIRS := /path ...
+"""
+
+import sys
+
+if len(sys.argv)<2:
+    out = sys.stdout
+else:
+    out = open(sys.argv[1], 'w')
+
+from distutils.sysconfig import get_config_var, get_python_inc
+
+incdirs = [get_python_inc()]
+libdirs = [get_config_var('LIBDIR')]
+
+have_np='NO'
+try:
+    from numpy.distutils.misc_util import get_numpy_include_dirs
+    incdirs += get_numpy_include_dirs()
+    have_np='YES'
+except ImportError:
+    pass
+
+incdirs = [get_python_inc()]+get_numpy_include_dirs()
+libdirs = [get_config_var('LIBDIR')]
+
+print >>out,'PY_VER :=',get_config_var('VERSION')
+print >>out,'PY_INCDIRS :=',' '.join(incdirs)
+print >>out,'PY_LIBDIRS :=',' '.join(libdirs)
+print >>out,'HAVE_NUMPY :=',have_np
+
+print >>out,'PY_OK := YES'
+
+out.close()