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svn path=/trunk/; revision=6637
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Tor Lillqvist 2008-03-07 01:58:49 +00:00
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commit c2cb0a5aaf

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@ -14,9 +14,12 @@ Windows meaning they use the Win32 API and Microsoft C runtime library
only. No POSIX (Unix) emulation layer like Cygwin in involved. only. No POSIX (Unix) emulation layer like Cygwin in involved.
To build GLib on Win32, you can use either gcc ("mingw") or the To build GLib on Win32, you can use either gcc ("mingw") or the
Microsoft compiler and tools. Microsoft's MSVC6 and later have been Microsoft compiler and tools. For the latter, MSVC6 and later have
used successfully. People have also successfully cross-compiled GLib been used successfully. Also the Digital Mars C/C++ compiler have been
for Win32 from Linux using the cross-mingw packages. used.
People have also successfully cross-compiled GLib for Win32 from Linux
using the cross-mingw packages.
Note that to just *use* GLib on Windows, there is no need to build it Note that to just *use* GLib on Windows, there is no need to build it
yourself. yourself.
@ -30,18 +33,18 @@ compilation related to Win32 in GLib-using code:
- G_OS_WIN32 is defined when compiling for native Win32, without - G_OS_WIN32 is defined when compiling for native Win32, without
any POSIX emulation, other than to the extent provided by the any POSIX emulation, other than to the extent provided by the
bundled Microsoft C library (msvcrt.dll). bundled Microsoft C library (msvcr*.dll).
- G_WITH_CYGWIN is defined if compiling for the Cygwin - G_WITH_CYGWIN is defined if compiling for the Cygwin
environment. Note that G_OS_WIN32 is *not* defined in that case, as environment. Note that G_OS_WIN32 is *not* defined in that case, as
Cygwin is supposed to behave like Unix. G_OS_UNIX *is* defined when Cygwin is supposed to behave like Unix. G_OS_UNIX *is* defined by a GLib
compiling for Cygwin. for Cygwin.
- G_PLATFORM_WIN32 is defined when either G_OS_WIN32 or G_WITH_CYGWIN - G_PLATFORM_WIN32 is defined when either G_OS_WIN32 or G_WITH_CYGWIN
is defined. is defined.
These macros are defined in glibconfig.h, and are thus (indirectly) These macros are defined in glibconfig.h, and are thus available in
available in all source files that include <glib.h> or GTK+ headers. all source files that include <glib.h>.
Additionally, there are the compiler-specific macros: Additionally, there are the compiler-specific macros:
- __GNUC__ is defined when using gcc - __GNUC__ is defined when using gcc
@ -62,20 +65,20 @@ system, but of the MSVC product. msvcrt.dll is part of Windows.
Building software that use GLib or GTK+ Building software that use GLib or GTK+
======================================= =======================================
Even building software that just *uses* GLib or GTK+ also require to Building software that just *uses* GLib or GTK+ also require to have
have the right compiler set up the right way, so if you intend to use the right compiler set up the right way. If you intend to use gcc,
gcc, follow the relevant instructions below in that case, too. follow the relevant instructions below in that case, too.
Tor uses gcc with the -mms-bitfields flag which means that in order to Tor uses gcc with the -mms-bitfields flag which means that in order to
use the prebuilt DLLs (especially of GTK+), if you compile your code use the prebuilt DLLs (especially of GTK+), if you compile your code
with gcc, you *must* also use that flag. This flag means that the with gcc, you *must* also use that flag. This flag means that the
struct layout rules are identical to those used by MSVC. This is struct layout rules are identical to those used by MSVC. This is
essential if the same DLLs are to be usable both from gcc- and essential if the same DLLs are to be usable both from gcc- and
MSVC(6)-compiled code. Such compatibility is desirable. MSVC-compiled code. Such compatibility is desirable.
When using the prebuilt GLib DLLs that use msvcrt.dll from code that When using the prebuilt GLib DLLs that use msvcrt.dll from code that
uses other C runtimes like for example msvcr70.dll, one should note uses other C runtimes like for example msvcr70.dll, one should note
that one cannot use such GLib API that takes or returns file that one cannot use such GLib API that take or returns file
descriptors. On Windows, a file descriptor (the small integer as descriptors. On Windows, a file descriptor (the small integer as
returned by open() and handled by related functions, and included in returned by open() and handled by related functions, and included in
the FILE struct) is an index into a table local to the C runtime the FILE struct) is an index into a table local to the C runtime
@ -87,26 +90,25 @@ Building GLib
Again, first decide whether you really want to do this. Again, first decide whether you really want to do this.
Before building GLib you must also have the libiconv library and GNU Before building GLib you must also have a GNU gettext-runtime
gettext. Get prebuilt binaries of libiconv (1.9.1 or newer), and developer package. Get prebuilt binaries of gettext-runtime from
gettext-runtime (0.13.1 or newer) from www.gimp.org/win32/downloads.html. http://www.gtk.org/download-windows.html .
Autoconfiscated build (with gcc) Autoconfiscated build (with gcc)
================================ ================================
Tor uses gcc 3.4.5 from www.mingw.org, and the rest of the mingw Tor uses gcc 3.4.5 and the rest of the mingw utilities, including MSYS
utilities, including MSYS. Somewhat earlier or later versions of gcc from www.mingw.org. Somewhat earlier or later versions of gcc
presumably also work fine. Using Cygwin's gcc with the -mno-cygwin presumably also work fine.
switch is not recommended. In theory it should work to use the
-no-cygwin flag, but Tor hasn't tested that lately, and it can easily
lead to confusion where one mixes up headers for Cygwin from
/usr/include with the headers one really should use. Ditto for
libraries.
If you want to use mingw's gcc, install gcc, Win32 headers and Using Cygwin's gcc with the -mno-cygwin switch is not recommended. In
binutils from www.mingw.org. Set up your PATH so that the mingw gcc is theory it should work, but Tor hasn't tested that lately. It can
the one that gets used, and not Cygwin's gcc. Even if you run the easily lead to confusing situations where one mixes headers for Cygwin
mingw gcc, you still want to have Cygwin to run make in. from /usr/include with the headers for native software one really
should use. Ditto for libraries.
If you want to use mingw's gcc, install gcc, win32api, binutils and
MSYS from www.mingw.org.
Tor invokes configure using: Tor invokes configure using:
@ -114,25 +116,25 @@ CC='gcc -mtune=pentium3 -mthreads' CPPFLAGS='-I/opt/gnu/include' \
LDFLAGS='-L/opt/gnu/lib -Wl,--enable-auto-image-base' CFLAGS=-O2 \ LDFLAGS='-L/opt/gnu/lib -Wl,--enable-auto-image-base' CFLAGS=-O2 \
./configure --disable-gtk-doc --prefix=$TARGET ./configure --disable-gtk-doc --prefix=$TARGET
(on a single line). The /opt/gnu mentioned contains the header files The /opt/gnu mentioned contains the header files for GNU and (import)
for GNU and (import) libraries for GNU libintl. The build scripts used libraries for GNU libintl. The build scripts used to produce the
to produce the prebuilt binaries are included in the "dev" packages. prebuilt binaries are included in the "dev" packages.
Please note that the ./configure mechanism should not blindly be used Please note that the ./configure mechanism should not blindly be used
to build a GLib to be distributed to other developers because it to build a GLib to be distributed to other developers because it
produces a compiler-dependent glibconfig.h. (Also config.h, but that produces a compiler-dependent glibconfig.h. For instance, the typedef
shouldn't matter, as it isn't seen by GLib-using applications). For for gint64 is long long with gcc, but __int64 with MSVC.
instance, the typedef for gint64 is long long with gcc, but __int64
with MSVC.
Except for this and a few other minor issues, there really shouldn't Except for this and a few other minor issues, there shouldn't be any
be any reason to distribute separate GLib headers and DLLs for gcc and reason to distribute separate GLib headers and DLLs for gcc and MSVC6
MSVC6 users, as the compilers generate code that uses the same C users, as the compilers generate code that uses the same C runtime
runtime library. The DLL generated by either compiler is binary library.
compatible with the other one. Thus one either has to manually edit
glibconfig.h afterwards, or use the supplied glibconfig.h.win32 which The DLL generated by either compiler is binary compatible with the
has been produced by running configure twice, once using gcc and once other one. Thus one either has to manually edit glibconfig.h
using MSVC, and merging the resulting files with diff -D. afterwards, or use the supplied glibconfig.h.win32 which has been
produced by running configure twice, once using gcc and once using
MSVC, and merging the resulting files with diff -D.
For MSVC7 and later (Visual C++ .NET 2003, Visual C++ 2005, Visual C++ For MSVC7 and later (Visual C++ .NET 2003, Visual C++ 2005, Visual C++
2008 etc) it is preferred to use specific builds of GLib DLLs that use 2008 etc) it is preferred to use specific builds of GLib DLLs that use
@ -142,12 +144,12 @@ named differently than the ones that use msvcrt.dll.
For GLib, the DLL is called libglib-2.0-0.dll, and the import For GLib, the DLL is called libglib-2.0-0.dll, and the import
libraries libglib-2.0.dll.a and glib-2.0.lib. Note that the "2.0" is libraries libglib-2.0.dll.a and glib-2.0.lib. Note that the "2.0" is
part of the "basename" of the library, it is not something that part of the "basename" of the library, it is not something that
libtool has added. The -0 suffix is the value of "LT_CURRENT - libtool has added. The -0 suffix is added by libtool and is the value
LT_AGE". The 0 is *not* simply the micro version number of GLib, of "LT_CURRENT - LT_AGE". The 0 is *not* part of the version number of
although, for GLib 2.x.0, it happens to be the same. The LT_CURRENT - GLib, although, for GLib 2.x.0, it happens to be the same. The
LT_AGE value will on purpose be kept as zero as long as binary LT_CURRENT - LT_AGE value will on purpose be kept as zero as long as
compatibility is maintained. For the gory details, see configure.in binary compatibility is maintained. For the gory details, see
and libtool documentation. configure.in and libtool documentation.
Cross-compiling Cross-compiling
=============== ===============
@ -159,7 +161,7 @@ reference manual) for more information.
Building with MSVC Building with MSVC
================== ==================
If you are building from a CVS snapshot, you will not have any If you are building from a SVN snapshot, you will not have any
makefile.msc files. You should copy the corresponding makefile.msc.in makefile.msc files. You should copy the corresponding makefile.msc.in
file to that name, and replace any @...@ strings with the correct file to that name, and replace any @...@ strings with the correct
value. value.
@ -274,7 +276,7 @@ dependencies order.
| |
+- glib +- glib
| | | |
| +- build : [this module lives in the cvs root dir] | +- build : [this module lives in the SVN root dir]
| | +- win32 | | +- win32
| | .\module.defs : defines (relative) locations of the headers | | .\module.defs : defines (relative) locations of the headers
| | and libs and version numbers to be include | | and libs and version numbers to be include
@ -323,7 +325,7 @@ dependencies order.
| the user needs to know the build order | the user needs to know the build order
| |
+- dia : additionally depends on libart_lgpl (in cvs) +- dia : additionally depends on libart_lgpl (in SVN)
| and libxml2 ( see http://www.xmlsoft.org/ ) | and libxml2 ( see http://www.xmlsoft.org/ )
+- lib +- lib
+- app +- app