qt: hook up to build

https://bugzilla.gnome.org/show_bug.cgi?id=754094

configure.ac

@@ -30,6 +30,9 @@ AM_MAINTAINER_MODE([enable])
 dnl sets host_* variables
 AC_CANONICAL_HOST
 
+dnl PKG_CONFIG_SYSROOT_DIR is a valid environment variable
+m4_pattern_allow(PKG_CONFIG_SYSROOT_DIR)
+
 dnl use pretty build output with automake >= 1.11
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
   [AM_DEFAULT_VERBOSITY=1
@@ -854,6 +857,108 @@ AG_GST_CHECK_FEATURE(DV1394, [raw1394 and avc1394 library], 1394, [
 ])
 AM_CONDITIONAL(USE_LIBIEC61883, [ test "x${HAVE_LIBIEC61883}" = xyes ] )
 
+dnl *** Qt ***
+translit(dnm, m, l) AM_CONDITIONAL(USE_QT, true)
+AG_GST_CHECK_FEATURE(QT, [Qt elements], qt, [
+  PKG_CHECK_MODULES(QT, Qt5Core Qt5Gui Qt5Qml Qt5Quick >= 5.4.0, [
+      QT_PATH=`$PKG_CONFIG --variable=exec_prefix Qt5Core`
+      QT_HOST_PATH=`$PKG_CONFIG --variable=host_bins Qt5Core`
+      AC_ARG_WITH([moc],
+           AS_HELP_STRING([--with-moc], [Set location of qt moc tool]),
+           [MOC=$withval])
+      AC_PATH_PROGS(MOC, [moc-qt5 moc], [moc], ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
+      AC_ARG_WITH([rcc],
+           AS_HELP_STRING([--with-rcc], [Set location of qt rcc tool]),
+           [RCC=$withval])
+      AC_PATH_PROGS(RCC, [rcc-qt5 rcc], [rcc], ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
+      AC_ARG_WITH([uic],
+               AS_HELP_STRING([--with-uic], [Set location of qt uic tool]),
+               [UIC=$withval])
+      AC_PATH_PROGS(UIC, [uic-qt5 uic], [uic], ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
+      if test "x$MOC" = "x" || test "x$UIC" = "x" || test "x$RCC" = "x"; then
+        AC_MSG_WARN([One of the required qt build programs was not found])
+        HAVE_QT="no"
+      else
+        HAVE_QT="yes"
+        HAVE_QT_WINDOWING="no"
+        QT_VERSION="`$PKG_CONFIG --define-prefix --modversion Qt5Core`"
+        QPA_INCLUDE_PATH=`$PKG_CONFIG --variable=includedir Qt5Core`/QtGui/${QT_VERSION}/QtGui
+        AS_IF([test -f "$PKG_CONFIG_SYSROOT_DIR/$QPA_INCLUDE_PATH/qpa/qplatformnativeinterface.h"], [
+          QT_CFLAGS="$QT_CFLAGS -I$PKG_CONFIG_SYSROOT_DIR/$QPA_INCLUDE_PATH"
+          HAVE_QT_QPA_HEADER="yes"
+        ], [AC_MSG_NOTICE([Cannot find QPA])])
+        if test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_GLX" = "x1" || test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EGL" = "x1"; then
+          PKG_CHECK_MODULES(QT_X11, Qt5X11Extras, [
+            AC_DEFINE([HAVE_QT_X11], [], [Define if Qt X11 integration is installed])
+            QT_CFLAGS="$QT_CFLAGS $QT_X11_CFLAGS"
+            QT_LIBS="$QT_LIBS $QT_X11_LIBS"
+            HAVE_QT_WINDOWING="yes"
+          ], [AC_MSG_NOTICE([Could not find Qt X11 integration])])
+        fi
+        if test "x$GST_GL_HAVE_WINDOW_WAYLAND" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EGL" = "x1" -a "x$HAVE_QT_QPA_HEADER" = "xyes"; then
+          PKG_CHECK_MODULES(QT_WAYLAND, Qt5WaylandClient, [
+            AC_DEFINE([HAVE_QT_WAYLAND], [],
+                [Define if Qt Wayland integration is installed])
+            QT_CFLAGS="$QT_CFLAGS $QT_WAYLAND_CFLAGS"
+            QT_LIBS="$QT_LIBS $QT_WAYLAND_LIBS"
+            HAVE_QT_WINDOWING="yes"
+          ], [AC_MSG_NOTICE([Could not find Qt Wayland integration])])
+        fi
+        if test "x$GST_GL_HAVE_PLATFORM_EGL" = "x1"; then
+          if test "x$GST_GL_HAVE_WINDOW_ANDROID" = "x1"; then
+            PKG_CHECK_MODULES(QT_ANDROID, Qt5AndroidExtras, [
+              # c++ on android requires a standard library and there are multiple
+              # choices.  cerbero provides a pkg-config file the describes a choice
+              # so try to use that.  Outside cerbero one has to pass these flags
+              # manually for the library one is using
+              PKG_CHECK_MODULES(GNUSTL, gnustl, [
+                QT_CFLAGS="$QT_CFLAGS $GNUSTL_CFLAGS"
+                QT_LIBS="$QT_LIBS $GNUSTL_LIBS"
+                ], [
+                AC_MSG_NOTICE([Could not find Standard C++ library])])
+              AC_DEFINE([HAVE_QT_EGLFS], [],
+                [Define if Qt eglfs integration is installed])
+              QT_CFLAGS="$QT_CFLAGS $QT_ANDROID_CFLAGS"
+              QT_LIBS="$QT_LIBS $QT_ANDROID_LIBS"
+              HAVE_QT_WINDOWING="yes"
+            ], [AC_MSG_NOTICE([Could not find Qt Android integration])])
+          else
+              AC_DEFINE([HAVE_QT_EGLFS], [],
+                [Define if Qt eglfs integration is installed])
+              HAVE_QT_WINDOWING="yes"
+          fi
+        fi
+        if test "x$GST_GL_HAVE_WINDOW_COCOA" = "x1" -a "x$GST_GL_HAVE_PLATFORM_CGL" = "x1"; then
+          PKG_CHECK_MODULES(QT_MAC, Qt5MacExtras, [
+            AC_DEFINE([HAVE_QT_MAC], [],
+                [Define if Qt Mac integration is installed])
+            QT_LIBDIR=`$PKG_CONFIG --variable=libdir Qt5Core`
+            QT_CFLAGS="$QT_CFLAGS $QT_MAC_CFLAGS -F$QT_LIBDIR -framework QtCore -framework QtGui -framework QtQuick -framework QtQml -framework QtMacExtras"
+            QT_LIBS="$QT_LIBS $QT_MAC_LIBS"
+            HAVE_QT_WINDOWING="yes"
+          ], [AC_MSG_NOTICE([Could not find Qt Mac integration])])
+        fi
+        if test "x$GST_GL_HAVE_WINDOW_EAGL" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EAGL" = "x1"; then
+          if test "x$HAVE_IOS" = "xyes"; then
+            # iOS doesn't have its own extras package so if we have the core
+            # modules we are good to go
+            AC_DEFINE([HAVE_QT_IOS], [],
+                [Define if Qt iOS integration is installed])
+            HAVE_QT_WINDOWING="yes"
+          fi
+        fi
+        if test "x$HAVE_QT_WINDOWING" = "xno"; then
+          AC_MSG_WARN([Could not find any Qt Windowing integration])
+          HAVE_QT="no"
+        fi
+        AC_SUBST([QT_CFLAGS])
+        AC_SUBST([QT_LIBS])
+      fi
+  ], [
+      HAVE_QT="no"
+  ])
+])
+
 dnl *** shout2 ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT2, true)
 AG_GST_CHECK_FEATURE(SHOUT2, [Shoutcast/Icecast client library], shout2, [
@@ -1005,6 +1110,7 @@ AM_CONDITIONAL(USE_OSS4, false)
 AM_CONDITIONAL(USE_OSX_AUDIO, false)
 AM_CONDITIONAL(USE_OSX_VIDEO, false)
 AM_CONDITIONAL(USE_PULSE, false)
+AM_CONDITIONAL(USE_QT, false)
 AM_CONDITIONAL(USE_SHOUT2, false)
 AM_CONDITIONAL(USE_SOUP, false)
 AM_CONDITIONAL(USE_SPEEX, false)
@@ -1159,6 +1265,7 @@ ext/libcaca/Makefile
 ext/libpng/Makefile
 ext/mpg123/Makefile
 ext/pulse/Makefile
+ext/qt/Makefile
 ext/raw1394/Makefile
 ext/shout2/Makefile
 ext/soup/Makefile

ext/Makefile.am

@@ -83,6 +83,11 @@ else
 PULSE_DIR =
 endif
 
+if USE_QT
+QT_DIR=qt
+else
+QT_DIR=
+endif
 
 if USE_SHOUT2
 SHOUT2_DIR = shout2
@@ -142,6 +147,7 @@ SUBDIRS = \
 	$(LIBPNG_DIR) \
 	$(MPG123_DIR) \
 	$(PULSE_DIR) \
+	$(QT_DIR) \
 	$(SHOUT2_DIR) \
 	$(SOUP_DIR) \
 	$(SPEEX_DIR) \
@@ -164,6 +170,7 @@ DIST_SUBDIRS = \
 	libpng \
 	mpg123 \
 	pulse \
+	qt \
 	raw1394 \
 	shout2 \
 	soup \

ext/meson.build

@@ -14,6 +14,7 @@ endif
 subdir('libpng')
 subdir('mpg123')
 subdir('raw1394')
+# FIXME: subdir('qt')
 subdir('pulse')
 subdir('shout2')
 subdir('soup')

tests/examples/meson.build

@@ -2,6 +2,7 @@ subdir('audiofx')
 subdir('cairo')
 #FIXME: subdir('gtk')
 subdir('level')
+#FIXME: subdir('qt')
 subdir('rtp')
 subdir('shapewipe')
 subdir('v4l2')