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Author: tml Date: 2001-09-29 21:05:25 GMT 2001-09-30 Tor Lillqvist <tml@iki.fi> Changes for "pure" Win32 (without Cygwin or similar) support. The most important differences compared to pkg-config on Unix are: We don't use hardcoded PKGLIBDIR paths but deduce the installation prefix at runtime. Use the normal GLib DLL, not a private copy. Yes, this does introduce a circular dependency, but that can be worked around. * README.win32: New file. * configure.in: Check for Win32. If so, define USE_INSTALLED_GLIB, and don't configure in the included glib-1.2.8. Set GLIB_CFLAGS and GLIB_LIBS assuming that GLib is installed in the same location pkgconfig will be. Check for dirent.h, unistd.h and sys/wait.h headers. * Makefile.am: If USE_INSTALLED_GLIB, use the GLIB_* values set above, and don't make in the glib-1.2.8 subdir. * autogen.sh: Use perl -p -i.bak, works better on Win32 (and Cygwin). * *.c: Conditionalize inclusions of unistd.h and sys/wait.h. * findme.c: Define X_OK on Win32 if necessary. * parse.c * popthelp.c: Minor Win32 portability ifdefs. * parse.c: No need to include <windows.h>. * pkg.c: Don't hardcode PKGLIBDIR, but use g_win32_get_package_installation_directory() to deduce it. (scan_dir): Make a temp copy of dirname with potential superfluous trailing slash removed. The Win32 opendir implementation doesn't always like those. * pkg.h: If USE_INSTALLED_GLIB, include <glib.h> instead of partial-glib.h. * popt.c (execCommand): Don't compile on Win32. * poptconfig.c (configLine): Don't bother with the "exec" stuff on Win32, too complex to port, at least for now. (poptReadDefaultConfig) Don't bother compiling on Win32, this function isn't even called.
41 lines
2.1 KiB
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41 lines
2.1 KiB
Text
pkg-config on Win32
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===================
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This file describes pkg-config for "pure" Win32. (With Cygwin,
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pkg-config 0.8.0 builds fine right out of the box. Cygwin is just
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another Unix variant, as far as pkg-config is concerned.) I hesitate
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to call this "pure" Win32 target mingw, as the ideal would be for
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pkg-config to be usable also by MSVC users. This will require the
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addition of an option to print out the flags in the form used by MSVC,
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however, which isn't done yet. Anyway, libraries like GLib, Pango, GTK
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that are described by pkgconfig files definitely are supposed to be
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usable both for MSVC users and gcc ("mingw") users.
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There should be no compile-time paths built into the executable of
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pkg-config. Likewise, not in the libraries it describes either.
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We use one optional entry in the Registry: The path to the pkgconfig
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installation prefix. (This can be either user-specific (in
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HKEY_CURRENT_USER) or for the whole machine (in HKEY_LOCAL_MACHINE).)
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If pkg-config.exe is invoked from the "bin" subdirectory of a
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directory with a lib/pkgconfig subdirectory, no Registry entry is even
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needed, as pkgconfig (actually, the
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g_win32_get_package_installation_directory() function in GLib) figures
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out the directory by itself.
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The intention is that a developer package for some library being
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desribed by a .pc file is installed using some simple installer, that
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edits the user-selected installation directory into the .pc file
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before storing the .pc file where pkg-config can find it.
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On Unix, pkg-config is built using its own copy of GLib 1.2.8. On
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Windows, we use the normal GLib available for Windows (1.3.9
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currently). Yes, this does introduce a circular dependency, but that
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can be worked around. The circular dependency only appears if one uses
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the configure mechanism to build GLib. GLib's configure script checks
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for pkg-config. pkg-config depends on GLib. Thus, starting from
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scratch, with no GLib and no pkg-config, using configure, there would
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indeed be a Catch-22 situation. However, GLib can be built just fine
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using the manually written makefiles for mingw or MSVC. And if
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somebody does want to build GLib on Win32 using configure, she can
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first install a prebuilt pkgconfig.
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