[poppler] (1/2) build: have qt3 detection use pkgconfig

[Jan Engelhardt]

parent 9dcb3e8be2cd52a795605548e43d6bfc149b2ea5 ()
commit 3f0ab18596ab9c2a9fa03293a91da527bdc9ea31
Author: Jan Engelhardt <jengelh at medozas.de>
Date:   Sat Mar 13 12:14:36 2010 +0100

build: have qt3 detection use pkgconfig

Hardcoding x86_64 and/or lib64 breaks on other arches and/or custom
setups, so let's use pkgconfig instead which has the exact information
required for building.
---
 m4/qt.m4       |  101 ++++--------------------------------------------
 qt/Makefile.am |    4 +-
 2 files changed, 10 insertions(+), 95 deletions(-)

diff --git a/m4/qt.m4 b/m4/qt.m4
index 8de2628..91cabc3 100644
--- a/m4/qt.m4
+++ b/m4/qt.m4
@@ -1,101 +1,16 @@
 # POPPLER_FIND_QT(VARIABLE-PREFIX, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 #
-# Check whether the Qt libraries are available.  Adapted from
-# OpenOffice.org configure.in
+# Check whether the Qt3 libraries are available.
 #
 # --------------------------------------------------------------
 AC_DEFUN([POPPLER_FIND_QT],
 [
-dnl Search paths for Qt 
-if test "$build_cpu" != "x86_64" ; then
-    qt_incdirs="$QTINC /usr/local/qt/include /usr/include/qt /usr/include /usr/X11R6/include/X11/qt /usr/X11R6/include/qt /usr/lib/qt3/include /usr/lib/qt/include /usr/share/qt3/include"
-    qt_libdirs="$QTLIB /usr/local/qt/lib /usr/lib/qt /usr/lib /usr/X11R6/lib/X11/qt /usr/X11R6/lib/qt /usr/lib/qt3/lib /usr/lib/qt/lib /usr/share/qt3/lib"
-else
-    qt_incdirs="$QTINC /usr/local/qt/include /usr/include/qt /usr/include /usr/X11R6/include/X11/qt /usr/X11R6/include/qt /usr/lib64/qt3/include /usr/lib64/qt/include /usr/share/qt3/include /usr/lib/qt3/include /usr/lib/qt/include"
-    qt_libdirs="$QTLIB /usr/local/qt/lib64 /usr/lib64/qt /usr/lib64 /usr/X11R6/lib64/X11/qt /usr/X11R6/lib64/qt /usr/lib64/qt3/lib64 /usr/lib64/qt/lib64 /usr/share/qt3/lib64 /usr/local/qt/lib /usr/lib/qt /usr/lib /usr/X11R6/lib/X11/qt /usr/X11R6/lib/qt /usr/lib/qt3/lib /usr/lib/qt/lib /usr/share/qt3/lib"
-fi
-if test -n "$QTDIR" ; then
-    qt_incdirs="$QTDIR/include $qt_incdirs"
-    if test "$build_cpu" != "x86_64" ; then
-        qt_libdirs="$QTDIR/lib $qt_libdirs"
-    else
-        qt_libdirs="$QTDIR/lib64 $QTDIR/lib $qt_libdirs"
-    fi
-fi
-
-dnl What to test
-qt_test_include="qstyle.h"
-qt_test_la_library="libqt-mt.la"
-qt_test_library="libqt-mt.so"
-
-dnl Check for Qt headers
-AC_MSG_CHECKING([for Qt headers])
-qt_incdir="no"
-for it in $qt_incdirs ; do
-    if test -r "$it/$qt_test_include" ; then
-        qt_incdir="$it"
-        break
-    fi
-done
-AC_MSG_RESULT([$qt_incdir])
-
-dnl Check for Qt libraries
-AC_MSG_CHECKING([for Qt libraries])
-qt_libdir="no"
-for qt_check in $qt_libdirs ; do
-    if test -r "$qt_check/$qt_test_la_library" ; then
-        qt_libdir="$qt_check"
-        break
-    fi
-
-    if test -r "$qt_check/$qt_test_library" ; then
-        qt_libdir="$qt_check"
-        break
-    fi
-done
-AC_MSG_RESULT([$qt_libdir])
-
-if test "x$qt_libdir" != "xno" ; then
-    if test "x$qt_incdir" != "xno" ; then
-        have_qt=yes
-    fi
-fi
-
-if test "x$have_qt" = "xyes"; then
-    AC_LANG_PUSH([C++])
-    pthread_needed=no
-
-    save_LDFLAGS=$LDFLAGS
-    save_CXXFLAGS=$CXXFLAGS
-    save_LIBS=$LIBS
-    CXXFLAGS="$CXXFLAGS -I$qt_incdir"
-    LIBS="$LIBS -L$qt_libdir -lqt-mt"
-    AC_MSG_CHECKING([if Qt needs -pthread])
-    AC_TRY_LINK([#include <qt.h>], [QString s;], [pthread_needed=no], [pthread_needed=yes])
-    if test "x$pthread_needed" = "xyes"; then
-        LDFLAGS="$LDFLAGS -pthread"
-        AC_TRY_LINK([#include <qt.h>], [QString s;], [pthread_needed=yes], [pthread_needed=no])
-    fi
-    AC_MSG_RESULT([$pthread_needed])
-    LDFLAGS=$save_LDFLAGS
-    CXXFLAGS=$save_CXXFLAGS
-    LIBS=$save_LIBS
-
-    AC_LANG_POP
-
-    qtpthread=''
-    if test "x$pthread_needed" = "xyes"; then
-        qtpthread="-pthread"
-    fi
-
-    $1[]_CXXFLAGS="-I$qt_incdir"
-    $1[]_LIBS="$qtpthread -L$qt_libdir -lqt-mt"
-    ifelse([$2], , :, [$2])
-else
-    ifelse([$3], , [AC_MSG_FAILURE(dnl
-[Qt development libraries not found])],
-  	   [$3])
-fi
+PKG_CHECK_MODULES([libqt3], [qt-mt], [
+	ifelse([$2], , :, [$2])
+], [
+	ifelse([$3], ,
+		[AC_MSG_FAILURE([Qt development libraries not found])],
+		[$3])
 ])
 
-
+])
diff --git a/qt/Makefile.am b/qt/Makefile.am
index df0115c..722d796 100644
--- a/qt/Makefile.am
+++ b/qt/Makefile.am
@@ -2,7 +2,7 @@ INCLUDES =					\
 	-I$(top_srcdir)				\
 	-I$(top_srcdir)/poppler			\
 	$(cairo_includes)			\
-	$(POPPLER_QT_CXXFLAGS)			\
+	$(libqt3_CFLAGS)			\
 	$(FREETYPE_CFLAGS)			\
 	$(FONTCONFIG_CFLAGS)
 
@@ -44,5 +44,5 @@ test_poppler_qt_SOURCES =			\
 test_poppler_qt_LDADD =				\
 	$(top_builddir)/poppler/libpoppler.la	\
 	libpoppler-qt.la			\
-	$(POPPLER_QT_LIBS)			\
+	$(libqt3_LIBS)				\
 	$(FREETYPE_LIBS)
-- 
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