View the most recent changes for the qt4-mac-devel port at: qt4-mac-devel.darwinports.com/diff
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The raw portfile for qt4-mac-devel 4.5.0 is located here:
http://qt4-mac-devel.darwinports.com/dports/aqua/qt4-mac-devel/Portfile
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# -*- coding: utf-8; mode: tcl; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; truncate-lines: t -*- vim:fenc=utf-8:et:sw=4:ts=4:sts=4
The qt4-mac-devel Portfile 59235 2009-10-12 13:44:14Z ryandesign macports.org $

PortSystem 1.0

Name: qt4-mac-devel
conflicts qt4-mac
Version: 4.5.0
Revision: 1
Category: aqua
Platform: macosx
Maintainers: illogic-al openmaintainer

Homepage: http://www.trolltech.com/
Description: Qt Tool Kit (Native Aqua Version)
Long Description: This is Qt, TrollTech's C++ toolkit for writing cross-platform GUI applications. This version uses the native Aqua UI. For a X11 version, see qt4-x11.
Master Sites: trolltech
distname qt-mac-opensource-src-${version}
Checksums: md5 c66a3f3211529b456086284f87f17393 sha1 7b4f0a2512352bda9ae90e4bcfdb5ee621ab27e1 rmd160 3abcf1a3b917a6dbbbbc4d915db3fbb538262c70

depends_build port:pkgconfig

depends_lib port:zlib port:tiff port:libpng port:libmng port:jpeg port:dbus port:openssl port:sqlite3

# Build plugins as bundle files instead of dylib files.
# Allow the use of -isystem instead of -I to include files.
# Test for Precompiled-headers support requires a C++ compiler, but configure calls it, by default, with a C compiler.
# Use unixODBC provided by MacPorts instead of iODBC provided my Mac OS.
# Ensure that securesocketclient demo is built even with configure option -openssl-linked.
Patch Files: patch-mac.conf.diff patch-isystem.diff patch-precomp.test.diff patch-odbc.diff patch-network.pro.diff

# The build process uses -fconstant-cfstrings.
# configure.compiler should therefore not be one of the MacPorts compilers.

# --prefix is not recognized.
configure.pre_args-delete --prefix=${prefix}
# -I${prefix}/include and -L${prefix}/lib must be set in ${configure.args}
# or else some generated Makefiles will not seem them.
configure.cppflags
configure.ldflags

set dirname qt4-mac
set qt_dir ${prefix}/libexec/${dirname}

# -isystem is used instead of -I to avoid conflicts with other ports (e.g. pcre).
# See http://trac.macports.org/ticket/15219 and http://trac.macports.org/ticket/18723.
#
# -system-sqlite ensures the use SQLite provided by MacPorts instead of Qt.
#
# -dbus-linked prevends qt4 from trying to dynamically load libdbus-1,
# which it is not able to find in ${prefix}.
# -openssl-linked ensures that the MacPorts openssl is used.
#
configure.args -v -debug-and-release -confirm-license -prefix ${qt_dir} -docdir ${prefix}/share/doc/${dirname} -examplesdir ${prefix}/share/${dirname}/examples -demosdir ${prefix}/share/${dirname}/demos -system-sqlite -openssl-linked -dbus-linked -isystem${prefix}/include -L${prefix}/lib

# Stop configure script from searching for SQL Drivers
# not available from MacPorts.
foreach driver {db2 ibase oci tds} {
configure.args-append -no-sql-${driver}
}

# By default, disable most SQL Drivers.
# There must be at least one enabled (http://trac.macports.org/ticket/15627).
# SQLite is chosen to be always enabled because a copy of it is distributed
# with Qt, so it is reasonable for the user to expect it.
foreach driver {mysql odbc psql sqlite2} {
configure.args-append -no-sql-${driver}
}

Variant: mysql description {Enable MySQL SQL Driver} {
depends_lib-append path:lib/mysql5:mysql5

configure.args-append -isystem${prefix}/include/mysql5/mysql -L${prefix}/lib/mysql5/mysql

configure.args-delete -no-sql-mysql
}

Variant: odbc description {Enable unixODBC SQL Driver} {
depends_lib-append port:unixODBC
configure.args-delete -no-sql-odbc
}

Variant: psql description {Enable PostgreSQL SQL Driver} {
depends_lib-append port:postgresql83

configure.args-append -isystem${prefix}/include/postgresql83 -L${prefix}/lib/postgresql83

configure.args-delete -no-sql-psql
}

Variant: sqlite2 description {Enable SQLite version 2 SQL Driver} {
depends_lib-append port:sqlite2
configure.args-delete -no-sql-sqlite2
}

Variant: cocoa description {Build the Cocoa version of Qt in 32-bit mode} conflicts noframework {
configure.args-append -cocoa

# Everything might build, but nothing will run.
pre-fetch {
if { ${os.major} < 9 } {
return -code error "Variant cocoa creates Qt binaries which require Mac OS X 10.5 or higher."
}
}
}

Variant: noframework description {Do not build frameworks} conflicts cocoa {
configure.args-append -no-framework
}

build.target first
use_parallel_build yes

destroot.destdir INSTALL_ROOT="${destroot}"

post-patch {
# Ensure that securesocketclient demo is built.
reinplace "s|contains(QT_CONFIG, openssl)|contains(QT_CONFIG, openssl) \\| contains(QT_CONFIG, openssl-linked)|" ${worksrcpath}/examples/network/network.pro

# Ensure that MacPorts compilers are used.
reinplace "s| g++\$| ${configure.cxx}|" ${worksrcpath}/mkspecs/common/g++.conf
reinplace "s| gcc\$| ${configure.cc}|" ${worksrcpath}/mkspecs/common/g++.conf
reinplace "s| g++\$| ${configure.cxx}|" ${worksrcpath}/mkspecs/common/mac-g++.conf
reinplace "s| g++\$| ${configure.cxx}|" ${worksrcpath}/mkspecs/macx-g++/qmake.conf
}

post-destroot {
# Install documentation.
foreach doc { INSTALL LICENSE.LGPL LICENSE.GPL3 LGPL_EXCEPTION.txt README } {
xinstall -c -m 644 ${worksrcpath}/$doc ${destroot}${prefix}/share/doc/${name}
}

# Create link in ${prefix}/bin to executable files in ${qt_dir}/bin.
foreach bin [glob -type f -directory ${destroot}${qt_dir}/bin *] {
ln -s ${qt_dir}/bin/[file tail ${bin}] ${destroot}${prefix}/bin
}

xinstall -d -m 0755 ${destroot}${applications_dir}/Qt
# Create link in ${applications_dir}/Qt to .app directories in ${qt_dir}/bin/.
# Create link in ${prefix}/bin to all *.app/Contents/MacOS/*.
foreach app [glob -type d -directory ${destroot}${qt_dir}/bin *.app] {
ln -s ${qt_dir}/bin/[file tail ${app}] ${destroot}${applications_dir}/Qt
foreach bin [glob -tails -type f -directory ${app}/Contents/MacOS *] {
ln -s ${qt_dir}/bin/[file tail ${app}]/Contents/MacOS/${bin} ${destroot}${prefix}/bin
}
}

# Avoid conflict with other qt packages.
# Ensure lower case names.
foreach bin [glob ${destroot}${prefix}/bin/*] {
file rename ${bin} ${destroot}${prefix}/bin/[string tolower [file tail ${bin}]]-mac
}

# Fix the .pc and .prl files by removing ${destroot}.
foreach fixfile [glob -nocomplain -directory ${destroot} ${qt_dir}/lib/pkgconfig/*.pc ${qt_dir}/lib/*.prl ${qt_dir}/lib/*/*.prl ${prefix}/share/${dirname}/demos/shared/*.prl] {
reinplace "s|-L${worksrcpath}/lib|-L${qt_dir}/lib|g" ${fixfile}
reinplace "s|-F${worksrcpath}/lib|-F${qt_dir}/lib|g" ${fixfile}
}

# Create link to Frameworks in Frameworks directory.
xinstall -d -m 0755 ${destroot}${frameworks_dir}
foreach fdir [glob -tails -directory ${destroot}${qt_dir}/lib -nocomplain *.framework] {
ln -s ${qt_dir}/lib/${fdir} ${destroot}${frameworks_dir}
}

# The debug .pc files have no counterpart in qt4-x11, so set a link to them in the pkgconfig directory.
xinstall -d -m 0755 ${destroot}${prefix}/lib/pkgconfig
foreach fl [glob -tails -directory ${destroot}${qt_dir}/lib/pkgconfig *_debug.pc] {
ln -s ${qt_dir}/lib/pkgconfig/${fl} ${destroot}${prefix}/lib/pkgconfig/
}

# Install select file for qt4_select.
xinstall -m 755 -d ${destroot}${prefix}/etc/select/qt4
xinstall -m 644 ${filespath}/${dirname} ${destroot}${prefix}/etc/select/qt4/
}

Variant: raster description {Use raster graphics system by default} {
configure.args-append -graphicssystem raster
}

Variant: universal {
configure.universal_args-delete --disable-dependency-tracking
configure.args-append -arch \"${universal_archs}\"
}

livecheck.type regex
livecheck.url http://trolltech.com/downloads/opensource/appdev/mac-os-cpp
livecheck.regex "qt-mac-opensource-src-(4(?:\\.\\d+)*)${extract.suffix}"

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/qt4-mac-devel
%  sudo port install qt4-mac-devel  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching qt4-mac-devel
--->  Verifying checksum for qt4-mac-devel
--->  Extracting qt4-mac-devel
--->  Configuring qt4-mac-devel
--->  Building qt4-mac-devel with target all

--->  Staging qt4-mac-devel into destroot

--->  Installing qt4-mac-devel

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using qt4-mac-devel with these commands:

%  man qt4-mac-devel
%  apropos qt4-mac-devel
%  which qt4-mac-devel
%  locate qt4-mac-devel

 Where to find more information: