This patch distinguishes between the data directory path for GUI and the one
for non-GUI by allowing to set the former path.

highlight package has two outputs: out and gui.  Both outputs have files which
will be in the same directory /share/highlight/ without this patch (see also
install and install-gui tasks in makefile).  In the gui's data directory,
there are GUI specific files in /share/highlight/gui-files/{l10n,ext}/.

diff --git a/src/gui-qt/main.cpp b/src/gui-qt/main.cpp
index 4700dc1..3567745 100644
--- a/src/gui-qt/main.cpp
+++ b/src/gui-qt/main.cpp
@@ -47,8 +47,8 @@ int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
     QTranslator translator;
-#ifdef DATA_DIR
-    translator.load(QString("%1/gui_files/l10n/highlight_%2").arg(DATA_DIR).arg(QLocale::system().name()));
+#ifdef GUI_DATA_DIR
+    translator.load(QString("%1/gui_files/l10n/highlight_%2").arg(GUI_DATA_DIR).arg(QLocale::system().name()));
 #else
     translator.load(QString("%1/gui_files/l10n/highlight_%2").arg(QDir::currentPath()).arg(QLocale::system().name()));
 #endif
diff --git a/src/gui-qt/mainwindow.cpp b/src/gui-qt/mainwindow.cpp
index 3a21ad2..f060431 100644
--- a/src/gui-qt/mainwindow.cpp
+++ b/src/gui-qt/mainwindow.cpp
@@ -2131,8 +2131,8 @@ QString MainWindow::getDistFileFilterPath(){
 #ifdef Q_OS_OSX
     return QCoreApplication::applicationDirPath()+"/../Resources/gui_files/ext/fileopenfilter.conf";
 #else
-    #ifdef DATA_DIR
-    return QString(DATA_DIR) + "/gui_files/ext/fileopenfilter.conf";
+    #ifdef GUI_DATA_DIR
+    return QString(GUI_DATA_DIR) + "/gui_files/ext/fileopenfilter.conf";
     #else
     return QDir::currentPath()+"/gui_files/ext/fileopenfilter.conf";
     #endif
diff --git a/src/makefile b/src/makefile
index b1d7988..2963105 100644
--- a/src/makefile
+++ b/src/makefile
@@ -118,7 +118,7 @@ gui-qt: highlight-gui
 
 highlight-gui: libhighlight.a ${GUI_OBJECTS}
 	cd gui-qt && \
-	${QMAKE} 'DEFINES+=DATA_DIR=\\\"${HL_DATA_DIR}\\\" CONFIG_DIR=\\\"${HL_CONFIG_DIR}\\\" DOC_DIR=\\\"${HL_DOC_DIR}\\\" ' && \
+	${QMAKE} 'DEFINES+=DATA_DIR=\\\"${HL_DATA_DIR}\\\" CONFIG_DIR=\\\"${HL_CONFIG_DIR}\\\" DOC_DIR=\\\"${HL_DOC_DIR}\\\" GUI_DATA_DIR=\\\"${GUI_DATA_DIR}\\\" ' && \
 	$(MAKE)
 
 $(OBJECTFILES) : makefile
ix/log/gnu/packages?id=d17eea747277643811134f9a33b534e58160688f'>packages</a>/<a href='/guix/log/gnu/packages/haskell-crypto.scm?id=d17eea747277643811134f9a33b534e58160688f'>haskell-crypto.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/haskell-crypto.scm?id=d17eea747277643811134f9a33b534e58160688f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-07-23 02:00:00 +0200'>2023-07-23</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=575642f01452df93a44733304254a96a036b3365'>gnu: Add ghc-hsopenssl-x509-system.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/haskell-crypto.scm (ghc-hsopenssl-x509-system):
New public variable.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-07-23 02:00:00 +0200'>2023-07-23</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=9080bfc15fc945b4a10437b2fdd0e5535603d931'>gnu: Add ghc-curve25519.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/haskell-crypto.scm (ghc-curve25519): New public variable.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-02-26 10:26:15 +0100'>2023-02-26</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=4bb40b098d81e70ebaf86250cb0162bb285ef6ca'>build-system: haskell: Drop default "static" output.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build-system/haskell.scm (lower): Pass outputs to lowered bag.
* guix/build/haskell-build-system.scm (install): Remove static library
moving code.
* gnu/packages/haskell-check.scm (ghc-hunit): Remove "static" output.
* gnu/packages/haskell-crypto.scm (ghc-crypto-api-tests): Likewise.
* gnu/packages/haskell-xyz.scm (ghc-case-insensitive): Likewise.
(ghc-cmdargs): Likewise.
(ghc-conduit): Likewise.
(ghc-fgl): Likewise.
(ghc-haskell-src-exts): Likewise.
(ghc-lib-parser): Likewise.
(ghc-mono-traversable): Likewise.
(ghc-parallel): Likewise.
(ghc-paths): Likewise.
(ghc-profunctors): Likewise.
(ghc-tf-random): Likewise.
(ghc-vector): Likewise.
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2023-02-26 10:26:07 +0100'>2023-02-26</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=49a320aaa6fb4c20d6b30c56c35a8c7ffceed822'>Upgrade Haskell packages.</a><span class='msg-avail'>...<span class='msg-tooltip'>Script-aided bulk change.
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2023-02-26 10:20:14 +0100'>2023-02-26</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=890a181ed1766b433b5bfe1a3419b50ffa6503cb'>gnu: Use HACKAGE-URI for packages from Hackage.</a><span class='msg-avail'>...<span class='msg-tooltip'>Script-aided bulk change.
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2023-02-26 10:20:11 +0100'>2023-02-26</span></td><td><a href='/guix/commit/gnu/packages/haskell-crypto.scm?id=cad6aa8082e99fe60570e3fd53a0e5876a8f243e'>gnu: Add upstream-name property to Haskell packages.</a><span class='msg-avail'>...<span class='msg-tooltip'>Script-aided bulk change.
</span></span></td><td>Lars-Dominik Braun</td></tr>