We now use pg_config in setup.py (closes: #70).

ChangeLog

@@ -1,3 +1,8 @@
+2006-01-05  Federico Di Gregorio  <fog@initd.org>
+
+	* setup.{cfg,py}: we now use pg_config to locate PostgreSQL libraries
+	and headers (modified patch from lbruno, see #70.)
+
 2006-01-01  Federico Di Gregorio  <fog@initd.org>
 
 	* Preparing release 2 beta 7.

setup.cfg

@@ -20,16 +20,23 @@ use_decimal=0
 # uncommenting the following line and setting its value to the right path.
 #mx_include_dir=
 
-# "include_dirs" is the preferred method for locating postgresql headers,
-# but some extra checks on sys.platform will still be done in setup.py.
+# "pg_config" is the preferred method to locate PostgreSQL headers and
+# libraries needed to build psycopg2. If pg_config is not in the path or
+# is installed under a different name uncomment the following option and
+# set it to the pg_config full path.
+#pg_config=
+
+# If "pg_config" is not available, "include_dirs" can be used to locate 
+# postgresql headers and libraries. Some extra checks on sys.platform will
+# still be done in setup.py.
 # The next line is the default as used on psycopg author Debian laptop:
-include_dirs=.:/usr/include/postgresql:/usr/include/postgresql/server
+#include_dirs=/usr/include/postgresql:/usr/include/postgresql/server
 
 # Uncomment next line on Mandrake 10.x (and comment previous ones):
-#include_dirs=.:/usr/include/pgsql/8.0:/usr/include/pgsql/8.0/server 
+#include_dirs=/usr/include/pgsql/8.0:/usr/include/pgsql/8.0/server 
 
 # Uncomment next line on SUSE 9.3 (and comment previous ones):
-#include_dirs=.:/usr/include/pgsql:/usr/include/pgsql/server
+#include_dirs=/usr/include/pgsql:/usr/include/pgsql/server
 
 # If postgresql is installed somewhere weird (i.e., not in your runtime library
 # path like /usr/lib), just add the right path in "library_dirs" and any extra

setup.py

@@ -49,6 +49,7 @@ Operating System :: Unix
 import os
 import sys
 import shutil
+import popen2
 from distutils.core import setup, Extension
 from distutils.errors import DistutilsFileError
 from distutils.command.build_ext import build_ext
@@ -82,6 +83,8 @@ class psycopg_build_ext(build_ext):
          "Build against libpq.dll (win32 only)"),
         ('use-pydatetime', None,
          "Use Python datatime objects for date and time representation."),    
+        ('pg_config=', None,
+          "The name of the pg_config binary and/or full path to find it"),                          
     ])
     
     boolean_options = build_ext.boolean_options[:]
@@ -95,6 +98,14 @@ class psycopg_build_ext(build_ext):
         self.use_pydatetime = 1
         self.use_pg_dll = 1
         self.pgdir = None
+        self.pg_config = "pg_config"
+    
+    def get_pg_config(self, kind):
+        p = popen2.popen3(self.pg_config + " --" + kind, mode="r")
+        r = p[0].readline().strip()
+        if not r:
+            raise Warning(p[2].readline().strip())
+        return r
     
     def get_compiler(self):
         """Return the c compiler to compile extensions.
@@ -164,19 +175,7 @@ class psycopg_build_ext(build_ext):
             self.libraries.append(self.get_lib("pq"))
 
     def finalize_darwin(self):
-        """Finalize build system configuration on darwin platform.
-        
-        fink installs lots of goodies in /sw/... - make sure we check there
-        """
-        self.include_dirs.append("/sw/include")
-        self.include_dirs.append("/sw/include/postgresql")
-        self.include_dirs.append("/sw/include/postgresql/server")
-        self.library_dirs.append("/sw/lib")
-        self.include_dirs.append("/opt/local/include")
-        self.include_dirs.append("/opt/local/include/postgresql")
-        self.include_dirs.append("/opt/local/include/postgresql/server")
-        self.library_dirs.append("/opt/local/lib")
-        self.library_dirs.append("/usr/lib")
+        """Finalize build system configuration on darwin platform."""
         self.libraries.append('ssl')
         self.libraries.append('crypto')
         
@@ -184,8 +183,13 @@ class psycopg_build_ext(build_ext):
         """Complete the build system configuation."""
         build_ext.finalize_options(self)
 
+        self.include_dirs.append(".")        
         self.libraries.append("pq")
         
+        self.library_dirs.append(self.get_pg_config("libdir"))
+        self.include_dirs.append(self.get_pg_config("includedir"))
+        self.include_dirs.append(self.get_pg_config("includedir-server"))
+
         if hasattr(self, "finalize_" + sys.platform):
             getattr(self, "finalize_" + sys.platform)()
             
@@ -198,6 +202,8 @@ class psycopg_build_ext(build_ext):
         if sys.platform == 'win32' and self.use_pg_dll:
             shutil.copy(self.find_libpq_dll(), "lib")
         
+    ## win32-specific stuff ##
+    
     def build_from_src(self):
         """Detect if building from postgres source or bin on w32 platform"""
         return os.path.exists(os.path.join(self.pgdir, "src"))