[gsettings-desktop-schemas] Visual Studio builds: Generate .pc files

[Chun-wei Fan <fanchunwei src gnome org>]

commit d3de9f4f8fb04e8c8ea408d0dabc453342a24fe5
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri May 13 19:00:58 2016 +0800

    Visual Studio builds: Generate .pc files
    
    This will make building introspection for packages that depend on this
    package easier.

 build/win32/Makefile.am                           |    2 +
 build/win32/genpc.py                              |   21 ++++
 build/win32/gsettings-desktop-schemas-msvc.mak.in |    9 ++-
 build/win32/pc_base.py                            |  108 +++++++++++++++++++++
 4 files changed, 139 insertions(+), 1 deletions(-)
---
diff --git a/build/win32/Makefile.am b/build/win32/Makefile.am
index b7853ee..22b6b2d 100644
--- a/build/win32/Makefile.am
+++ b/build/win32/Makefile.am
@@ -25,6 +25,8 @@ EXTRA_DIST = \
        gsettings-desktop-schemas-msvc.mak      \
        introspection-msvc.mak                  \
        genschema.py                            \
+       genpc.py                                \
+       pc_base.py                              \
        replace.py                              \
        uri.py                                  \
        README.txt                              \
diff --git a/build/win32/genpc.py b/build/win32/genpc.py
new file mode 100644
index 0000000..61438e0
--- /dev/null
+++ b/build/win32/genpc.py
@@ -0,0 +1,21 @@
+# Simple script to generate pkg-config (.pc) file
+# for gsettings-desktop-schemas
+
+import os
+import sys
+
+from replace import replace_multi
+from pc_base import BasePCItems
+
+def main(argv):
+    base_pc = BasePCItems()
+
+    base_pc.setup(argv)
+
+    # Generate gsettings-desktop-schemas.pc
+    replace_multi(base_pc.top_srcdir + '/gsettings-desktop-schemas.pc.in',
+                  base_pc.srcdir + '/gsettings-desktop-schemas.pc',
+                  base_pc.base_replace_items)
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/build/win32/gsettings-desktop-schemas-msvc.mak.in 
b/build/win32/gsettings-desktop-schemas-msvc.mak.in
index 393b6e1..5bc95dc 100644
--- a/build/win32/gsettings-desktop-schemas-msvc.mak.in
+++ b/build/win32/gsettings-desktop-schemas-msvc.mak.in
@@ -76,7 +76,11 @@ setgirbuildenv:
 
 !include introspection.body.mak
 
-install: $(gschemas) org.gnome.desktop.enums.xml
+gsettings-desktop-schemas.pc: ..\..\gsettings-desktop-schemas.pc.in
+       @echo Generating gsettings-desktop-schemas.pc...
+       $(PYTHON) genpc.py --prefix=$(PREFIX) --version= PACKAGE_VERSION@
+
+install: $(gschemas) org.gnome.desktop.enums.xml gsettings-desktop-schemas.pc
        @-if not exist $(PREFIX)\share\glib-2.0\schemas mkdir $(PREFIX)\share\glib-2.0\schemas
        @-copy *.gschema.xml $(PREFIX)\share\glib-2.0\schemas
        @-copy org.gnome.desktop.enums.xml $(PREFIX)\share\glib-2.0\schemas
@@ -85,8 +89,11 @@ install: $(gschemas) org.gnome.desktop.enums.xml
        @-if exist *.gir @copy *.gir $(PREFIX)\share\gir-1.0
        @-if exist *.typelib @copy *.typelib $(PREFIX)\lib\girepository-1.0
        $(PREFIX)\bin\glib-compile-schemas.exe $(PREFIX)\share\glib-2.0\schemas
+       @-if not exist $(PREFIX)\share\pkgconfig mkdir $(PREFIX)\share\pkgconfig
+       @-copy gsettings-desktop-schemas.pc $(PREFIX)\share\pkgconfig
 
 clean:
+       @-del gsettings-desktop-schemas.pc
        @-if exist *.typelib @del *.typelib
        @-if exist *.gir @del *.gir
        @-del $(gschemas)
diff --git a/build/win32/pc_base.py b/build/win32/pc_base.py
new file mode 100644
index 0000000..da10560
--- /dev/null
+++ b/build/win32/pc_base.py
@@ -0,0 +1,108 @@
+#!/usr/bin/python
+#
+# Simple utility script to generate the basic info
+# needed in a .pc (pkg-config) file, used especially
+# for introspection purposes
+
+# This can be used in various projects where
+# there is the need to generate .pc files,
+# and is copied from GLib's $(srcroot)/build/win32
+
+# Author: Fan, Chun-wei
+# Date: March 10, 2016
+
+import os
+import sys
+import argparse
+
+class BasePCItems:
+    def __init__(self):
+        self.base_replace_items = {}
+        self.exec_prefix = ''
+        self.includedir = ''
+        self.libdir = ''
+        self.prefix = ''
+        self.srcdir = os.path.dirname(__file__)
+        self.top_srcdir = self.srcdir + '\\..\\..'
+        self.version = ''
+
+    def setup(self, argv, parser=None):
+        if parser is None:
+            parser = argparse.ArgumentParser(description='Setup basic .pc file info')
+        parser.add_argument('--prefix', help='prefix of the installed library',
+                            required=True)
+        parser.add_argument('--exec-prefix',
+                            help='prefix of the installed programs, \
+                                  if different from the prefix')
+        parser.add_argument('--includedir',
+                            help='includedir of the installed library, \
+                                  if different from ${prefix}/include')
+        parser.add_argument('--libdir',
+                            help='libdir of the installed library, \
+                                  if different from ${prefix}/lib')
+        parser.add_argument('--version', help='Version of the package',
+                            required=True)
+        args = parser.parse_args()
+
+        self.version = args.version
+
+        # check whether the prefix and exec_prefix are valid
+        if not os.path.exists(args.prefix):
+            raise SystemExit('Specified prefix \'%s\' is invalid' % args.prefix)
+
+        # check and setup the exec_prefix
+        if getattr(args, 'exec_prefix', None) is None:
+            input_exec_prefix = args.prefix
+        else:
+            input_exec_prefix = args.exec_prefix
+        if not os.path.exists(input_exec_prefix):
+            raise SystemExit('Specified exec-prefix \'%s\' is invalid' %
+                             input_exec_prefix)
+
+
+        # check and setup the includedir
+        if getattr(args, 'includedir', None) is None:
+            self.includedir = '${prefix}/include'
+        else:
+            if args.includedir.startswith('${prefix}'):
+                includedir_use_shorthand = True
+                input_includedir = args.prefix + args.includedir[len('${prefix}'):]
+            else:
+                includedir_use_shorthand = False
+                input_includedir = args.includedir
+            if not os.path.exists(input_includedir):
+                raise SystemExit('Specified includedir \'%s\' is invalid' %
+                                  args.includedir)
+            if includedir_use_shorthand is True:
+                self.includedir = args.includedir.replace('\\','/')
+            else:
+                self.includedir = os.path.abspath(input_includedir).replace('\\','/')
+
+        # check and setup the libdir
+        if getattr(args, 'libdir', None) is None:
+            self.libdir = '${prefix}/lib'
+        else:
+            if args.libdir.startswith('${prefix}'):
+                libdir_use_shorthand = True
+                input_libdir = args.prefix + args.libdir[len('${prefix}'):]
+            else:
+                libdir_use_shorthand = False
+                input_libdir = args.libdir
+            if not os.path.exists(input_libdir):
+                raise SystemExit('Specified libdir \'%s\' is invalid' %
+                                             args.libdir)
+            if libdir_use_shorthand is True:
+                self.libdir = args.libdir.replace('\\','/')
+            else:
+                self.libdir = os.path.abspath(input_libdir).replace('\\','/')
+
+        # use absolute paths for prefix and exec_prefix
+        self.prefix = os.path.abspath(args.prefix).replace('\\','/')
+        self.exec_prefix = os.path.abspath(input_exec_prefix).replace('\\','/')
+
+        # setup dictionary for replacing items in *.pc.in
+        self.base_replace_items.update({'@VERSION@': self.version})
+        self.base_replace_items.update({'@prefix@': self.prefix})
+        self.base_replace_items.update({'@exec_prefix@': self.exec_prefix})
+        self.base_replace_items.update({'@libdir@': self.libdir})
+        self.base_replace_items.update({'@includedir@': self.includedir})