qt5: add CMake support

Fixes #4546

repos/libports/lib/import/import-qt5_cmake.mk

@@ -0,0 +1,210 @@
+#
+# The following externally defined variables are evaluated:
+#
+# CMAKE_LISTS_DIR:      path to the CMakeLists.txt file
+# CMAKE_TARGET_BINARIES binaries to be stripped and linked into 'bin' and 'debug' directories
+# QT5_PORT_LIBS:        Qt5 libraries used from port (for example libQt5Core)
+#
+
+QT_TOOLS_DIR = /usr/local/genode/qt5/20.08
+
+ifeq ($(filter-out $(SPECS),arm),)
+QT_PLATFORM = genode-arm-g++
+else ifeq ($(filter-out $(SPECS),arm_64),)
+QT_PLATFORM = genode-aarch64-g++
+else ifeq ($(filter-out $(SPECS),x86_32),)
+QT_PLATFORM = genode-x86_32-g++
+else ifeq ($(filter-out $(SPECS),x86_64),)
+QT_PLATFORM = genode-x86_64-g++
+else
+$(error Error: unsupported platform)
+endif
+
+ifeq ($(CONTRIB_DIR),)
+QT_DIR     = $(call select_from_repositories,src/lib/qt5)
+QT_API_DIR = $(call select_from_repositories,mkspecs)/..
+else
+QT_PORT_DIR = $(call select_from_ports,qt5)
+QT_DIR      = $(QT_PORT_DIR)/src/lib/qt5
+QT_API_DIR  = $(QT_DIR)/genode/api
+endif
+
+ifneq ($(VERBOSE),)
+QT5_OUTPUT_FILTER = > /dev/null
+endif
+
+#
+# Genode libraries to be linked to Qt applications and libraries
+#
+
+QT5_GENODE_LIBS_APP   = libc.lib.so libm.lib.so stdcxx.lib.so qt5_component.lib.so
+QT5_GENODE_LIBS_SHLIB = libc.lib.so libm.lib.so stdcxx.lib.so
+
+#
+# flags to be passed to CMake
+#
+
+GENODE_CMAKE_CFLAGS = \
+	-D__FreeBSD__=12 \
+	-D__GENODE__ \
+	-ffunction-sections \
+	-fno-strict-aliasing \
+	$(CC_OPT_NOSTDINC) \
+	$(CC_MARCH) \
+	$(CC_OPT_PIC) \
+	$(filter-out -I.,$(INCLUDES)) \
+	-I$(CURDIR)/cmake_root/include/QtCore/spec/$(QT_PLATFORM)
+
+GENODE_CMAKE_LFLAGS_APP = \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_MARCH)) \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_OPT_GC_SECTIONS)) \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_OPT_ALIGN_SANE)) \
+	$(addprefix $(LD_OPT_PREFIX),--dynamic-list=$(BASE_DIR)/src/ld/genode_dyn.dl) \
+	$(LD_OPT_NOSTDLIB) \
+	-Wl,-Ttext=0x01000000 \
+	$(CC_MARCH) \
+	-Wl,--dynamic-linker=$(DYNAMIC_LINKER).lib.so \
+	-Wl,--eh-frame-hdr \
+	-Wl,-rpath-link=. \
+	-Wl,-T -Wl,$(LD_SCRIPT_DYN) \
+	-L$(CURDIR)/cmake_root/lib \
+	-Wl,--whole-archive \
+	-Wl,--start-group \
+	$(addprefix -l:,$(QT5_GENODE_LIBS_APP)) \
+	$(shell $(CC) $(CC_MARCH) -print-libgcc-file-name) \
+	-Wl,--end-group \
+	-Wl,--no-whole-archive
+
+GENODE_CMAKE_LFLAGS_SHLIB = \
+	$(LD_OPT_NOSTDLIB) \
+	-Wl,-shared \
+	-Wl,--eh-frame-hdr \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_MARCH)) \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_OPT_GC_SECTIONS)) \
+	$(addprefix $(LD_OPT_PREFIX),$(LD_OPT_ALIGN_SANE)) \
+	-Wl,-T -Wl,$(LD_SCRIPT_SO) \
+	$(addprefix $(LD_OPT_PREFIX),--entry=0x0) \
+	-L$(CURDIR)/cmake_root/lib \
+	-Wl,--whole-archive \
+	-Wl,--start-group \
+	$(addprefix -l:,$(QT5_GENODE_LIBS_SHLIB)) \
+	$(shell $(CC) $(CC_MARCH) -print-libgcc-file-name) \
+	-l:ldso_so_support.lib.a \
+	-Wl,--end-group \
+	-Wl,--no-whole-archive
+
+ifeq ($(CONTRIB_DIR),)
+GENODE_CMAKE_GL_INCDIRS = $(call select_from_repositories,include/GL)/..
+else
+GENODE_CMAKE_GL_INCDIRS = $(call select_from_ports,mesa)/include
+endif
+
+GENODE_CMAKE_OPENGL_LIBS = $(CURDIR)/cmake_root/lib/mesa.lib.so
+
+#
+# prepare a directory named 'cmake_root' where CMake can find needed files
+#
+
+cmake_root:
+	$(VERBOSE)mkdir -p $@
+
+cmake_root/bin: cmake_root
+	$(VERBOSE)mkdir -p $@
+	$(VERBOSE)ln -sf $(QT_TOOLS_DIR)/bin/* $@/
+
+cmake_root/include: cmake_root
+	$(VERBOSE)mkdir -p $@
+	$(VERBOSE)ln -snf $(QT_API_DIR)/include/* $@/
+
+cmake_root/lib: cmake_root
+	$(VERBOSE)mkdir -p $@
+
+cmake_root/lib/cmake: cmake_root/lib
+	$(VERBOSE)ln -snf $(QT_API_DIR)/lib/cmake $@
+
+cmake_root/lib/%.lib.so: cmake_root/lib
+	$(VERBOSE)ln -sf $(BUILD_BASE_DIR)/var/libcache/$*/$*.abi.so $@
+
+cmake_root/lib/%.lib.a: cmake_root/lib
+	$(VERBOSE)ln -sf $(BUILD_BASE_DIR)/var/libcache/$*/$*.lib.a $@
+
+cmake_root/mkspecs: cmake_root
+	$(VERBOSE)ln -snf $(QT_API_DIR)/mkspecs $@
+
+cmake_prepared.tag: \
+                    cmake_root/bin \
+                    cmake_root/include \
+                    cmake_root/lib/cmake \
+                    cmake_root/lib/libc.lib.so \
+                    cmake_root/lib/libm.lib.so \
+                    cmake_root/lib/egl.lib.so \
+                    cmake_root/lib/mesa.lib.so \
+                    cmake_root/lib/qt5_component.lib.so \
+                    cmake_root/lib/stdcxx.lib.so \
+                    cmake_root/lib/ldso_so_support.lib.a \
+                    cmake_root/mkspecs
+
+# add symlinks for Qt5 libraries listed in the 'QT5_PORT_LIBS' variable
+ifeq ($(CONTRIB_DIR),)
+	$(VERBOSE)for qt5_lib in $(QT5_PORT_LIBS); do \
+		ln -sf $(BUILD_BASE_DIR)/var/libcache/$${qt5_lib}/$${qt5_lib}.abi.so cmake_root/lib/$${qt5_lib}.lib.so; \
+	done
+else
+	$(VERBOSE)for qt5_lib in $(QT5_PORT_LIBS); do \
+		ln -sf $(BUILD_BASE_DIR)/bin/$${qt5_lib}.lib.so cmake_root/lib/; \
+	done
+endif
+	$(VERBOSE)touch $@
+
+.PHONY: build_with_cmake
+
+# 'make' called by CMake uses '/bin/sh', which does not understand '-o pipefail'
+unexport .SHELLFLAGS
+
+ifeq ($(VERBOSE),)
+CMAKE_MAKE_VERBOSE="1"
+endif
+
+build_with_cmake: cmake_prepared.tag
+	$(VERBOSE)CMAKE_PREFIX_PATH="$(CURDIR)/cmake_root" \
+	cmake \
+	--no-warn-unused-cli \
+	-DCMAKE_MODULE_PATH="$(CURDIR)/cmake_root/lib/cmake/Modules" \
+	-DCMAKE_SYSTEM_NAME="Genode" \
+	-DCMAKE_AR="$(AR)" \
+	-DCMAKE_C_COMPILER="$(CC)" \
+	-DCMAKE_C_FLAGS="$(GENODE_CMAKE_CFLAGS)" \
+	-DCMAKE_CXX_COMPILER="$(CXX)" \
+	-DCMAKE_CXX_STANDARD="17" \
+	-DCMAKE_CXX_FLAGS="$(GENODE_CMAKE_CFLAGS)" \
+	-DCMAKE_EXE_LINKER_FLAGS="$(GENODE_CMAKE_LFLAGS_APP)" \
+	-DCMAKE_SHARED_LINKER_FLAGS="$(GENODE_CMAKE_LFLAGS_SHLIB)" \
+	-DCMAKE_MODULE_LINKER_FLAGS="$(GENODE_CMAKE_LFLAGS_SHLIB)" \
+	-DCMAKE_GL_INCDIRS="$(GENODE_CMAKE_GL_INCDIRS)" \
+	-DCMAKE_OPENGL_LIBS="$(GENODE_CMAKE_OPENGL_LIBS)" \
+	$(CMAKE_LISTS_DIR) \
+	$(QT5_OUTPUT_FILTER)
+
+	$(VERBOSE)$(MAKE) VERBOSE=$(CMAKE_MAKE_VERBOSE) $(QT5_OUTPUT_FILTER)
+
+#
+# Not every CMake project has an 'install' target, so execute
+# this target only if a binary to be installed has "install/" in
+# its path.
+#
+ifneq ($(findstring install/,$(CMAKE_TARGET_BINARIES)),)
+	$(VERBOSE)$(MAKE) VERBOSE=$(CMAKE_MAKE_VERBOSE) DESTDIR=install install $(QT5_OUTPUT_FILTER)
+endif
+
+	$(VERBOSE)for cmake_target_binary in $(CMAKE_TARGET_BINARIES); do \
+		$(STRIP) $${cmake_target_binary} -o $${cmake_target_binary}.stripped; \
+		ln -sf $(CURDIR)/$${cmake_target_binary}.stripped $(PWD)/bin/`basename $${cmake_target_binary}`; \
+		ln -sf $(CURDIR)/$${cmake_target_binary} $(PWD)/debug/; \
+	done
+
+#
+# build applications with CMake
+#
+TARGET ?= $(CMAKE_LISTS_DIR).cmake_target
+.PHONY: $(TARGET)
+$(TARGET): build_with_cmake

repos/libports/recipes/api/qt5/content.mk

@@ -1,4 +1,5 @@
-MIRROR_FROM_REP_DIR := lib/import/import-qt5_qmake.mk
+MIRROR_FROM_REP_DIR := lib/import/import-qt5_cmake.mk \
+                       lib/import/import-qt5_qmake.mk
 
 content: $(MIRROR_FROM_REP_DIR)
 

repos/libports/recipes/src/test-qt_core_cmake/content.mk

@@ -0,0 +1,10 @@
+MIRROR_FROM_REP_DIR := src/test/qt5/qt_core_cmake
+
+content: $(MIRROR_FROM_REP_DIR) LICENSE
+
+$(MIRROR_FROM_REP_DIR):
+	$(mirror_from_rep_dir)
+
+LICENSE:
+	cp $(GENODE_DIR)/LICENSE $@
+

repos/libports/recipes/src/test-qt_core_cmake/hash

@@ -0,0 +1 @@
+2022-06-29 8cdcdc46d00eccf1286daef650819700f21f0961

repos/libports/recipes/src/test-qt_core_cmake/used_apis

@@ -0,0 +1,5 @@
+libc
+qt5
+qt5_component
+so
+stdcxx

repos/libports/run/qt5_core_cmake.run

@@ -0,0 +1,52 @@
+create_boot_directory
+
+import_from_depot [depot_user]/src/[base_src] \
+                  [depot_user]/src/init \
+                  [depot_user]/src/libc \
+                  [depot_user]/src/qt5_base \
+                  [depot_user]/src/qt5_component \
+                  [depot_user]/src/stdcxx \
+                  [depot_user]/src/vfs \
+                  [depot_user]/src/zlib \
+                  [depot_user]/src/test-qt_core_cmake
+
+install_config {
+<config verbose="yes">
+	<parent-provides>
+		<service name="ROM"/>
+		<service name="LOG"/>
+		<service name="RM"/>
+		<service name="CPU"/>
+		<service name="PD"/>
+		<service name="IRQ"/>
+		<service name="IO_PORT"/>
+		<service name="IO_MEM"/>
+	</parent-provides>
+
+	<default-route>
+		<any-service> <parent/> <any-child/> </any-service>
+	</default-route>
+
+	<default caps="100"/>
+
+	<start name="timer">
+		<resource name="RAM" quantum="1M"/>
+		<provides><service name="Timer"/></provides>
+	</start>
+
+	<start name="test-qt_core_cmake">
+		<resource name="RAM" quantum="10M" />
+		<config>
+			<vfs>
+				<dir name="dev"> <log/> </dir>
+			</vfs>
+			<libc stdout="/dev/log" stderr="/dev/log"/>
+		</config>
+	</start>
+</config>}
+
+build_boot_image { }
+
+append qemu_args " -nographic "
+
+run_genode_until "Test done.*\n" 10

repos/libports/src/test/qt5/qt_core_cmake/CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.10.0)
+
+project(test-qt_core_cmake LANGUAGES CXX)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+find_package(Qt5 COMPONENTS Core REQUIRED)
+
+add_executable(test-qt_core_cmake
+    main.cpp
+)
+
+target_link_libraries(test-qt_core_cmake Qt5::Core)

repos/libports/src/test/qt5/qt_core_cmake/main.cpp

@@ -0,0 +1,12 @@
+/*
+ * \brief   QtCore test
+ * \author  Christian Prochaska
+ * \date    2018-01-16
+ */
+
+#include <QtCore>
+
+int main(int argc, char *argv[])
+{
+	qInfo() << "Test done.";
+}

repos/libports/src/test/qt5/qt_core_cmake/target.mk

@@ -0,0 +1,9 @@
+CMAKE_LISTS_DIR = $(PRG_DIR)
+
+CMAKE_TARGET_BINARIES = test-qt_core_cmake
+
+QT5_PORT_LIBS = libQt5Core
+
+LIBS = libc libm qt5_component stdcxx $(QT5_PORT_LIBS)
+
+include $(call select_from_repositories,lib/import/import-qt5_cmake.mk)