Introducing the Qt Android port

Based on the Necessitas project by Bogdan Vatra.
Contributors to the Qt5 project:

BogDan Vatra <bogdan@kde.org>
Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
hjk <hjk121@nokiamail.com>
Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Paul Olav Tvete <paul.tvete@digia.com>
Robin Burchell <robin+qt@viroteck.net>
Samuel Rødal <samuel.rodal@digia.com>
Yoann Lopes <yoann.lopes@digia.com>

The full history of the Qt5 port can be found in refs/old-heads/android,
SHA-1 249ca9ca2c7d876b91b31df9434dde47f9065d0d

Change-Id: Iff1a7b2dbb707c986f2639e65e39ed8f22430120
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 178 insertions, 0 deletions

diff --git a/mkspecs/android-g++/qmake.conf b/mkspecs/android-g++/qmake.conf
new file mode 100644
index 0000000000..4901f0b0e2
--- /dev/null
+++ b/mkspecs/android-g++/qmake.conf
@@ -0,0 +1,178 @@
+# qmake configuration for building with android-g++
+MAKEFILE_GENERATOR = UNIX
+QMAKE_PLATFORM     = android
+QMAKE_COMPILER     = gcc
+
+CONFIG  += android_install
+DEFINES += QT_NO_PRINTDIALOG
+
+include(../qdevice.pri)
+include(../common/linux.conf)
+include(../common/gcc-base-unix.conf)
+
+# Passing in -win32 to qmake (from NQTC) causes this condition to pass, however
+# qmake complains that -win32 is deprecated; should find another way, Q_OS_WIN
+# should really be all QMAKE_HOST.os needs to depend on?
+contains(QMAKE_HOST.os,Windows) {
+    # Not having sh.exe in your path causes this condition to pass
+    # To build Android Qt on Windows, this block must not be evaluated.
+    isEmpty(QMAKE_SH) {
+        include(../common/shell-win32.conf)
+        QMAKE_DEL_TREE        = rmdir /s /q
+        QMAKE_INSTALL_FILE    = copy /y
+        QMAKE_INSTALL_PROGRAM = copy /y
+    }
+}
+
+NDK_ROOT = $$(ANDROID_NDK_ROOT)
+!exists($$NDK_ROOT) {
+    NDK_ROOT = $$DEFAULT_ANDROID_NDK_ROOT
+    !exists($$NDK_ROOT): error("You need to set the ANDROID_NDK_ROOT environment variable to point to your Android NDK.")
+}
+
+NDK_HOST = $$(ANDROID_NDK_HOST)
+isEmpty(NDK_HOST): NDK_HOST = $$DEFAULT_ANDROID_NDK_HOST
+
+ANDROID_PLATFORM = $$(ANDROID_NDK_PLATFORM)
+isEmpty(ANDROID_PLATFORM): ANDROID_PLATFORM = $$DEFAULT_ANDROID_PLATFORM
+
+ANDROID_TARGET_ARCH = $$(ANDROID_TARGET_ARCH)
+isEmpty(ANDROID_TARGET_ARCH): ANDROID_TARGET_ARCH = $$DEFAULT_ANDROID_TARGET_ARCH
+
+NDK_TOOLCHAIN_PREFIX = $$(ANDROID_NDK_TOOLCHAIN_PREFIX)
+isEmpty(NDK_TOOLCHAIN_PREFIX) {
+    equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLCHAIN_PREFIX = x86
+    else: equals(ANDROID_TARGET_ARCH, mips): NDK_TOOLCHAIN_PREFIX = mipsel-linux-android
+    else: NDK_TOOLCHAIN_PREFIX = arm-linux-androideabi
+}
+
+NDK_TOOLS_PREFIX = $$(ANDROID_NDK_TOOLS_PREFIX)
+isEmpty(NDK_TOOLS_PREFIX) {
+    equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLS_PREFIX = i686-linux-android
+    else: equals(ANDROID_TARGET_ARCH, mips): NDK_TOOLS_PREFIX = mipsel-linux-android
+    else: NDK_TOOLS_PREFIX = arm-linux-androideabi
+}
+
+NDK_TOOLCHAIN_VERSION = $$(ANDROID_NDK_TOOLCHAIN_VERSION)
+isEmpty(NDK_TOOLCHAIN_VERSION): NDK_TOOLCHAIN_VERSION = $$DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION
+
+equals(ANDROID_TARGET_ARCH, x86): ANDROID_ARCHITECTURE = x86
+else: equals(ANDROID_TARGET_ARCH, mips): ANDROID_ARCHITECTURE = mips
+else: ANDROID_ARCHITECTURE = arm
+
+!equals(NDK_TOOLCHAIN_VERSION, 4.4.3): ANDROID_CXXSTL_SUFFIX = -$$NDK_TOOLCHAIN_VERSION
+
+NDK_TOOLCHAIN = $$NDK_TOOLCHAIN_PREFIX-$$NDK_TOOLCHAIN_VERSION
+NDK_TOOLCHAIN_PATH = $$NDK_ROOT/toolchains/$$NDK_TOOLCHAIN/prebuilt/$$NDK_HOST
+
+CONFIG += $$ANDROID_PLATFORM
+ANDROID_PLATFORM_ROOT_PATH  = $$NDK_ROOT/platforms/$$ANDROID_PLATFORM/arch-$$ANDROID_ARCHITECTURE/
+ANDROID_PLATFORM_PATH  = $$ANDROID_PLATFORM_ROOT_PATH/usr
+
+# used to compile platform plugins for android-4 and android-5
+QMAKE_ANDROID_PLATFORM_INCDIR = $$NDK_ROOT/platforms/$$ANDROID_PLATFORM/arch-$$ANDROID_ARCHITECTURE/usr/include
+QMAKE_ANDROID_PLATFORM_LIBDIR = $$NDK_ROOT/platforms/$$ANDROID_PLATFORM/arch-$$ANDROID_ARCHITECTURE/usr/lib
+
+ANDROID_SOURCES_CXX_STL_LIBDIR = $$NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$$NDK_TOOLCHAIN_VERSION/libs/$$ANDROID_TARGET_ARCH
+ANDROID_SOURCES_CXX_STL_INCDIR = $$NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$$NDK_TOOLCHAIN_VERSION/include $$ANDROID_SOURCES_CXX_STL_LIBDIR/include
+
+# modifications to g++.conf
+QMAKE_CC                = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-gcc
+
+equals(ANDROID_TARGET_ARCH, armeabi-v7a): \
+    QMAKE_CFLAGS = -Wno-psabi -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -ffunction-sections -funwind-tables -fstack-protector -fno-short-enums -DANDROID -Wa,--noexecstack
+else: equals(ANDROID_TARGET_ARCH, armeabi): \
+    QMAKE_CFLAGS = -Wno-psabi -march=armv5te -mtune=xscale -msoft-float   -ffunction-sections -funwind-tables -fstack-protector -fno-short-enums -DANDROID -Wa,--noexecstack
+else: equals(ANDROID_TARGET_ARCH, x86): \
+    QMAKE_CFLAGS = -ffunction-sections -funwind-tables -O2 -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit=300 -DANDROID  -Wa,--noexecstack
+else: equals(ANDROID_TARGET_ARCH, mips): \
+    QMAKE_CFLAGS = -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers -O2 -fomit-frame-pointer -funswitch-loops -finline-limit=300 -DANDROID -Wa,--noexecstack
+
+QMAKE_CFLAGS_WARN_ON    = -Wall -Wno-psabi -W
+QMAKE_CFLAGS_WARN_OFF   = -Wno-psabi
+equals(ANDROID_TARGET_ARCH, x86) {
+    QMAKE_CFLAGS_RELEASE                   = -O2
+    QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -O2
+    QMAKE_CFLAGS_DEBUG                     = -g
+} else: equals(ANDROID_TARGET_ARCH, mips) {
+    QMAKE_CFLAGS_RELEASE                   = -O2
+    QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -O2
+    QMAKE_CFLAGS_DEBUG                     = -g -fno-omit-frame-pointer
+} else { # arm
+    QMAKE_CFLAGS_RELEASE                   = -mthumb -Os -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64
+    QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -mthumb -Os -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64
+    QMAKE_CFLAGS_DEBUG                     = -g -marm -O0 -fno-omit-frame-pointer
+}
+
+QMAKE_CFLAGS_SHLIB      = -fPIC
+QMAKE_CFLAGS_YACC       = -Wno-unused -Wno-parentheses
+QMAKE_CFLAGS_THREAD     = -D_REENTRANT
+QMAKE_CFLAGS_HIDESYMS   = -fvisibility=hidden
+
+QMAKE_CXX               = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-g++
+QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS -std=gnu++0x
+QMAKE_CXXFLAGS_WARN_ON  = $$QMAKE_CFLAGS_WARN_ON
+QMAKE_CXXFLAGS_WARN_OFF = $$QMAKE_CFLAGS_WARN_OFF
+QMAKE_CXXFLAGS_RELEASE += $$QMAKE_CFLAGS_RELEASE
+QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO += $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO
+QMAKE_CXXFLAGS_DEBUG   += $$QMAKE_CFLAGS_DEBUG
+QMAKE_CXXFLAGS_SHLIB    = $$QMAKE_CFLAGS_SHLIB
+QMAKE_CXXFLAGS_YACC     = $$QMAKE_CFLAGS_YACC
+QMAKE_CXXFLAGS_THREAD   = $$QMAKE_CFLAGS_THREAD
+QMAKE_CXXFLAGS_HIDESYMS = $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
+
+QMAKE_LINK              = $$QMAKE_CXX
+QMAKE_LINK_SHLIB        = $$QMAKE_LINK
+
+# modifications to linux.conf
+QMAKE_AR                = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-ar cqs
+QMAKE_OBJCOPY           = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-objcopy
+
+QMAKE_STRIP             =
+#$$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-strip
+
+QMAKE_RANLIB            = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-ranlib
+
+QMAKE_INCDIR            = $$ANDROID_SOURCES_CXX_STL_INCDIR $$ANDROID_PLATFORM_PATH/include
+QMAKE_LIBDIR            = $$ANDROID_SOURCES_CXX_STL_LIBDIR $$ANDROID_PLATFORM_PATH/lib $$LIBGCC_PATH
+QMAKE_INCDIR_X11        =
+QMAKE_LIBDIR_X11        =
+QMAKE_INCDIR_OPENGL     = $$ANDROID_PLATFORM_PATH/include
+QMAKE_LIBDIR_OPENGL     = $$ANDROID_PLATFORM_PATH/lib
+
+equals(ANDROID_TARGET_ARCH, x86)|equals(ANDROID_TARGET_ARCH, mips): \
+    LIBGCC_PATH_FULL = $$system("$$QMAKE_CC -print-libgcc-file-name")
+else: \
+    LIBGCC_PATH_FULL = $$system("$$QMAKE_CC -mthumb-interwork -print-libgcc-file-name")
+
+LIBGCC_PATH             = $$dirname(LIBGCC_PATH_FULL)
+
+QMAKE_LINK              = $$QMAKE_CXX
+QMAKE_LINK_SHLIB        = $$QMAKE_CXX
+QMAKE_LFLAGS            = --sysroot=$$ANDROID_PLATFORM_ROOT_PATH
+QMAKE_RPATHLINK         = $$ANDROID_PLATFORM_PATH/lib
+QMAKE_LFLAGS_APP        = -Wl,--no-undefined -Wl,-z,noexecstack -shared
+QMAKE_LFLAGS_SHLIB      = -Wl,--no-undefined -Wl,-z,noexecstack -shared
+
+contains(NDK_ROOT, ".*r6")|contains(NDK_ROOT, ".*r5.*") {
+    !equals(ANDROID_PLATFORM, android-4):!equals(ANDROID_PLATFORM, android-5):!equals(ANDROID_PLATFORM, android-8) {
+        warning("Your NDK version is outdated. A workaround is enabled. Consider updating your NDK (workarounds are required until r6(a))")
+        QMAKE_LFLAGS_SHLIB += $$ANDROID_PLATFORM_PATH/lib/crtbegin_so.o $$ANDROID_PLATFORM_PATH/lib/crtend_so.o
+    }
+}
+
+QMAKE_LFLAGS_PLUGIN     = $$QMAKE_LFLAGS_SHLIB
+QMAKE_LFLAGS_SONAME     =
+QMAKE_LFLAGS_NOUNDEF    =  -Wl,--no-undefined
+QMAKE_LFLAGS_RPATH      =  -Wl,-rpath=
+QMAKE_LFLAGS_RPATHLINK  =  -Wl,-rpath-link=
+
+QMAKE_LIBS              = -lgnustl_shared -lsupc++ -llog -lz -lm -ldl -lc -lgcc
+QMAKE_LIBS_X11          =
+QMAKE_LIBS_THREAD       =
+QMAKE_LIBS_EGL          = -lEGL
+QMAKE_LIBS_OPENGL       =
+QMAKE_LIBS_OPENGL_ES1   = -lGLESv1_CM
+QMAKE_LIBS_OPENGL_ES2   = -lGLESv2 $$QMAKE_LIBS
+
+load(qt_config)