Initial Linux build.

CMakeLists.txt

@@ -5,3 +5,4 @@
 # https://github.com/desktop-app/legal/blob/master/LEGAL
 
 add_subdirectory(external)
+add_subdirectory(linux_glibc_wraps)

external/CMakeLists.txt

@@ -6,6 +6,7 @@
 
 add_subdirectory(auto_updates)
 add_subdirectory(crash_reports)
+add_subdirectory(ffmpeg)
 add_subdirectory(gsl)
 add_subdirectory(iconv)
 add_subdirectory(lz4)

external/auto_updates/xz/CMakeLists.txt

@@ -12,9 +12,14 @@ if (APPLE AND NOT build_osx)
     INTERFACE
         /usr/local/macos/lib/liblzma.a
     )
-else()
+elseif (APPLE)
     target_link_libraries(external_xz
     INTERFACE
-        /usr/local/lib/liblzma.a
+        /usr/local/liblzma.a
+    )
+else()
+    target_link_static_libraries(external_xz
+    INTERFACE
+        lzma
     )
 endif()

external/crash_reports/breakpad/CMakeLists.txt

@@ -21,4 +21,9 @@ if (WIN32)
         ${breakpad_lib_loc}/windows/handler/exception_handler.lib
         ${breakpad_lib_loc}/windows/crash_generation/crash_generation_client.lib
     )
+elseif (LINUX)
+    target_link_static_libraries(external_breakpad
+    INTERFACE
+        breakpad_client
+    )
 endif()

external/ffmpeg/CMakeLists.txt

@@ -0,0 +1,38 @@
+# This file is part of Desktop App Toolkit,
+# a set of libraries for developing nice desktop applications.
+#
+# For license and copyright information please follow this link:
+# https://github.com/desktop-app/legal/blob/master/LEGAL
+
+add_library(external_ffmpeg INTERFACE IMPORTED GLOBAL)
+add_library(desktop-app::external_ffmpeg ALIAS external_ffmpeg)
+
+target_include_directories(external_ffmpeg SYSTEM
+INTERFACE
+    ${libs_loc}/ffmpeg
+)
+
+set(ffmpeg_lib_loc ${libs_loc}/ffmpeg)
+
+target_link_libraries(external_ffmpeg
+INTERFACE
+    ${ffmpeg_lib_loc}/libavformat/libavformat.a
+    ${ffmpeg_lib_loc}/libavcodec/libavcodec.a
+    ${ffmpeg_lib_loc}/libswresample/libswresample.a
+    ${ffmpeg_lib_loc}/libswscale/libswscale.a
+    ${ffmpeg_lib_loc}/libavutil/libavutil.a
+)
+if (LINUX)
+    target_link_static_libraries(external_ffmpeg
+    INTERFACE
+        va-x11
+        va-drm
+        va
+        vdpau
+        drm
+        Xi
+        Xext
+        Xfixes
+        Xrender
+    )
+endif()

external/iconv/CMakeLists.txt

@@ -7,14 +7,14 @@
 add_library(external_iconv INTERFACE IMPORTED GLOBAL)
 add_library(desktop-app::external_iconv ALIAS external_iconv)
 
-if (build_osx)
-    target_link_libraries(external_iconv
-    INTERFACE
-        /usr/local/lib/libiconv.a
-    )
-else()
+if (APPLE AND NOT build_osx)
     target_link_libraries(external_iconv
     INTERFACE
         /usr/local/macos/lib/libiconv.a
     )
+elseif (APPLE)
+    target_link_libraries(external_iconv
+    INTERFACE
+        /usr/local/lib/libiconv.a
+    )
 endif()

external/openal/CMakeLists.txt

@@ -16,7 +16,7 @@ if (WIN32)
     INTERFACE
         ${libs_loc}/openal-soft/build/$<IF:$<CONFIG:Debug>,Debug,Release>/OpenAL32.lib
     )
-else()
+elseif(APPLE AND NOT build_osx)
     target_include_directories(external_openal SYSTEM
     INTERFACE
         /usr/local/macos/include
@@ -25,6 +25,15 @@ else()
     INTERFACE
         /usr/local/macos/lib/libopenal.a
     )
+else()
+    target_include_directories(external_openal SYSTEM
+    INTERFACE
+        /usr/local/include
+    )
+    target_link_static_libraries(external_openal
+    INTERFACE
+        openal
+    )
 endif()
 
 target_compile_definitions(external_openal

external/openssl/CMakeLists.txt

@@ -7,7 +7,12 @@
 add_library(external_openssl INTERFACE IMPORTED GLOBAL)
 add_library(desktop-app::external_openssl ALIAS external_openssl)
 
-if (NOT APPLE OR NOT build_osx)
+if (LINUX)
+    target_include_directories(external_openssl SYSTEM
+    INTERFACE
+        /usr/local/desktop-app/openssl-1.1.1/include
+    )
+elseif (NOT APPLE OR NOT build_osx)
     target_include_directories(external_openssl SYSTEM
     INTERFACE
         ${libs_loc}/openssl_1_1_1/include
@@ -30,11 +35,21 @@ else()
         else()
             set(openssl_lib_loc ${libs_loc}/openssl)
         endif()
+    else()
+        set(openssl_lib_loc /usr/local/desktop-app/openssl-1.1.1/lib)
     endif()
 endif()
 
 target_link_libraries(external_openssl
 INTERFACE
-    ${openssl_lib_loc}/libcrypto.${openssl_lib_ext}
     ${openssl_lib_loc}/libssl.${openssl_lib_ext}
+    ${openssl_lib_loc}/libcrypto.${openssl_lib_ext}
+    pthread
 )
+
+if (LINUX)
+    target_link_libraries(external_openssl
+    INTERFACE
+        desktop-app::linux_glibc_wraps
+    )
+endif()

external/opus/CMakeLists.txt

@@ -25,8 +25,8 @@ elseif (APPLE AND NOT build_osx)
         /usr/local/macos/lib/libopus.a
     )
 else()
-    target_link_libraries(external_opus
+    target_link_static_libraries(external_opus
     INTERFACE
-        /usr/local/lib/libopus.a
+        opus
     )
 endif()

external/qt/CMakeLists.txt

@@ -8,7 +8,7 @@ add_library(external_qt INTERFACE IMPORTED GLOBAL)
 add_library(desktop-app::external_qt ALIAS external_qt)
 
 if (LINUX)
-    if (CMAKE_SIZEOF_VOID_P EQUAL 8)
+    if (NOT build_linux32)
         target_compile_definitions(external_qt INTERFACE Q_OS_LINUX64)
     else()
         target_compile_definitions(external_qt INTERFACE Q_OS_LINUX32)
@@ -43,7 +43,11 @@ if (WIN32)
     set(qt_lib_suffix $<$<CONFIG:Debug>:d>.lib)
 else()
     set(qt_lib_prefix lib)
-    set(qt_lib_suffix $<$<CONFIG:Debug>:_debug>.a)
+    if (APPLE)
+        set(qt_lib_suffix $<$<CONFIG:Debug>:_debug>.a)
+    else()
+        set(qt_lib_suffix .a)
+    endif()
 endif()
 
 set(common_qt_libs
@@ -112,9 +116,90 @@ elseif (APPLE)
         desktop-app::external_zlib
         cups
     )
+else()
+    set(qt_libs
+        plugins/platforminputcontexts/${qt_lib_prefix}composeplatforminputcontextplugin
+        plugins/platforminputcontexts/${qt_lib_prefix}ibusplatforminputcontextplugin
+        plugins/platforminputcontexts/${qt_lib_prefix}fcitxplatforminputcontextplugin
+        plugins/platforminputcontexts/${qt_lib_prefix}himeplatforminputcontextplugin
+        plugins/platforminputcontexts/${qt_lib_prefix}nimfplatforminputcontextplugin
+        plugins/platforms/${qt_lib_prefix}qxcb
+        lib/${qt_lib_prefix}Qt5XcbQpa
+        lib/${qt_lib_prefix}Qt5LinuxAccessibilitySupport
+        lib/${qt_lib_prefix}Qt5ServiceSupport
+        lib/${qt_lib_prefix}Qt5EdidSupport
+        plugins/bearer/${qt_lib_prefix}qconnmanbearer
+        plugins/bearer/${qt_lib_prefix}qgenericbearer
+        plugins/bearer/${qt_lib_prefix}qnmbearer
+        ${common_qt_libs}
+        lib/${qt_lib_prefix}Qt5DBus
+        lib/${qt_lib_prefix}Qt5Core
+        lib/${qt_lib_prefix}qtpcre2
+        lib/${qt_lib_prefix}xcb-static
+    )
+    foreach (lib ${qt_libs})
+        list(APPEND qt_libs_list "${qt_loc}/${lib}${qt_lib_suffix}")
+    endforeach()
 endif()
 
 target_link_libraries(external_qt
 INTERFACE
     ${qt_libs_list}
 )
+
+if (LINUX)
+    target_include_directories(external_qt SYSTEM
+    INTERFACE
+        ${qt_loc}/mkspecs/linux-g++
+    )
+    target_link_options(external_qt
+    INTERFACE
+        -static-libstdc++
+        -pthread
+        -rdynamic
+        -Wl,-wrap,aligned_alloc
+        -Wl,-wrap,secure_getenv
+        -Wl,-wrap,clock_gettime
+        -Wl,--no-as-needed,-lrt
+    )
+    if (NOT build_linux32)
+        target_link_options(external_qt
+        INTERFACE
+            -Wl,-wrap,__divmodti4
+        )
+    else()
+        target_link_options(external_qt
+        INTERFACE
+            -Wl,-wrap,__divmoddi4
+        )
+    endif()
+    target_link_static_libraries(external_qt
+    INTERFACE
+        SM
+        ICE
+        fontconfig
+        freetype
+        expat
+        z
+        xcb-shm
+        xcb-xfixes
+        xcb-render
+        xkbcommon
+        xkbcommon-x11
+        icutu
+        icui18n
+        icuuc
+        icudata
+    )
+    target_link_libraries(external_qt
+    INTERFACE
+        desktop-app::linux_glibc_wraps
+        xcb
+        X11
+        X11-xcb
+        dbus-1
+        dl
+        glib-2.0
+        pthread
+    )
+endif()

external/zlib/CMakeLists.txt

@@ -44,6 +44,8 @@ if (WIN32)
     set(zlib_lib_loc ${libs_loc}/zlib/contrib/vstudio/vc14/x86/ZlibStat$<IF:$<CONFIG:Debug>,Debug,ReleaseWithoutAsm>)
 
     target_link_libraries(external_zlib INTERFACE ${zlib_lib_loc}/zlibstat.lib)
-else()
+elseif (APPLE)
     target_link_libraries(external_zlib INTERFACE /usr/local/lib/libz.a)
+else()
+    target_link_static_libraries(external_zlib INTERFACE z)
 endif()

generate_target.cmake

@@ -4,8 +4,8 @@
 # For license and copyright information please follow this link:
 # https://github.com/desktop-app/legal/blob/master/LEGAL
 
-function(generate_target parent_name postfix generated_files gen_dst)
-    add_custom_target(${parent_name}_${postfix} DEPENDS ${generated_files})
+function(generate_target parent_name postfix generated_timestamp generated_files gen_dst)
+    add_custom_target(${parent_name}_${postfix} DEPENDS ${generated_timestamp})
     init_target_folder(${parent_name}_${postfix} "(gen)")
     add_dependencies(${parent_name} ${parent_name}_${postfix})
     target_sources(${parent_name} PRIVATE ${generated_files})

init_target.cmake

@@ -34,7 +34,15 @@ function(init_target target_name) # init_target(my_target folder_name)
         XCODE_ATTRIBUTE_GCC_OPTIMIZATION_LEVEL $<IF:$<CONFIG:Debug>,0,fast>
         XCODE_ATTRIBUTE_LLVM_LTO $<IF:$<CONFIG:Debug>,NO,YES>
     )
-    if (NOT APPLE)
+    if (LINUX)
+        target_compile_options(${target_name} PUBLIC $<IF:$<CONFIG:Debug>,,-g -Ofast -fno-strict-aliasing>)
+        target_link_options(${target_name} PUBLIC $<IF:$<CONFIG:Debug>,,-g -Ofast>)
+        if (NOT build_linux32)
+            target_compile_options(${target_name} PUBLIC $<IF:$<CONFIG:Debug>,,-flto>)
+            target_link_options(${target_name} PUBLIC $<IF:$<CONFIG:Debug>,,-flto -fuse-linker-plugin>)
+        endif()
+    endif()
+    if (WIN32)
         set_target_properties(${target_name} PROPERTIES
             INTERPROCEDURAL_OPTIMIZATION_RELEASE True
             INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO True

linux_glibc_wraps/CMakeLists.txt

@@ -0,0 +1,24 @@
+# This file is part of Desktop App Toolkit,
+# a set of libraries for developing nice desktop applications.
+#
+# For license and copyright information please follow this link:
+# https://github.com/desktop-app/legal/blob/master/LEGAL
+
+if (LINUX)
+    add_library(linux_glibc_wraps STATIC)
+    add_library(desktop-app::linux_glibc_wraps ALIAS linux_glibc_wraps)
+
+    get_filename_component(src_loc . REALPATH)
+
+    nice_target_sources(linux_glibc_wraps ${src_loc}
+    PRIVATE
+        platform/linux/linux_glibc_wraps.c
+        platform/linux/linux_glibc_wraps_32.c
+        platform/linux/linux_glibc_wraps_64.c
+    )
+    if (NOT build_linux32)
+        set_source_files_properties(${src_loc}/platform/linux/linux_glibc_wraps_32.c PROPERTIES HEADER_FILE_ONLY TRUE)
+    else()
+        set_source_files_properties(${src_loc}/platform/linux/linux_glibc_wraps_64.c PROPERTIES HEADER_FILE_ONLY TRUE)
+    endif()
+endif()

linux_glibc_wraps/platform/linux/linux_glibc_wraps.c

@@ -0,0 +1,29 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+void *__wrap_aligned_alloc(size_t alignment, size_t size) {
+	void *result = NULL;
+	return (posix_memalign(&result, alignment, size) == 0)
+		? result
+		: NULL;
+}
+
+int enable_secure_inited = 0;
+int enable_secure = 1;
+
+char *__wrap_secure_getenv(const char *name) {
+	if (enable_secure_inited == 0) {
+		enable_secure_inited = 1;
+		enable_secure = (geteuid() != getuid())
+		|| (getegid() != getgid());
+	}
+	return enable_secure ? NULL : getenv(name);
+}
+

linux_glibc_wraps/platform/linux/linux_glibc_wraps.gyp

@@ -0,0 +1,36 @@
+# This file is part of Desktop App Toolkit,
+# a set of libraries for developing nice desktop applications.
+#
+# For license and copyright information please follow this link:
+# https://github.com/desktop-app/legal/blob/master/LEGAL
+
+{
+  'includes': [
+    '../../common/common.gypi',
+  ],
+  'targets': [{
+    'target_name': 'linux_glibc_wraps',
+    'type': 'static_library',
+    'variables': {
+      'src_loc': '.',
+    },
+    'configurations': {
+      'Debug': {
+      },
+      'Release': {
+      },
+    },
+    'sources': [
+      '<(src_loc)/linux_glibc_wraps.c',
+    ],
+    'conditions': [[ '"<!(uname -m)" == "x86_64" or "<!(uname -m)" == "aarch64"', {
+      'sources': [
+        '<(src_loc)/linux_glibc_wraps_64.c',
+      ],
+    }, {
+      'sources': [
+        '<(src_loc)/linux_glibc_wraps_32.c',
+      ],
+    }]],
+  }],
+}

linux_glibc_wraps/platform/linux/linux_glibc_wraps_32.c

@@ -0,0 +1,49 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include <time.h>
+#include <stdint.h>
+
+#if defined(_M_IX86) || defined(__i386__)
+#define GETTIME_GLIBC_VERSION "2.2"
+#elif defined(_M_ARM) || defined(__arm__)
+#define GETTIME_GLIBC_VERSION "2.4"
+#else
+#error Please add glibc wraps for your architecture
+#endif
+
+int __clock_gettime_glibc_old(clockid_t clk_id, struct timespec *tp);
+__asm__(".symver __clock_gettime_glibc_old,clock_gettime@GLIBC_" GETTIME_GLIBC_VERSION);
+
+int __wrap_clock_gettime(clockid_t clk_id, struct timespec *tp) {
+        return __clock_gettime_glibc_old(clk_id, tp);
+}
+
+uint64_t __udivmoddi4(uint64_t num, uint64_t den, uint64_t *rem_p);
+
+int64_t __wrap___divmoddi4(int64_t num, int64_t den, int64_t *rem_p) {
+	int minus = 0;
+	int64_t v;
+
+	if (num < 0) {
+		num = -num;
+		minus = 1;
+	}
+	if (den < 0) {
+		den = -den;
+		minus ^= 1;
+	}
+
+	v = __udivmoddi4(num, den, (uint64_t *)rem_p);
+	if (minus) {
+		v = -v;
+		if (rem_p)
+			*rem_p = -(*rem_p);
+	}
+
+	return v;
+}
+

linux_glibc_wraps/platform/linux/linux_glibc_wraps_64.c

@@ -0,0 +1,52 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include <time.h>
+
+#if defined(_M_X64) || defined(__x86_64__)
+#define GETTIME_GLIBC_VERSION "2.2.5"
+#elif defined(__aarch64__)
+#define GETTIME_GLIBC_VERSION "2.17"
+#else
+#error Please add glibc wraps for your architecture
+#endif
+
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+typedef int TItype __attribute__ ((mode (TI)));
+
+int __clock_gettime_glibc_old(clockid_t clk_id, struct timespec *tp);
+__asm__(".symver __clock_gettime_glibc_old,clock_gettime@GLIBC_" GETTIME_GLIBC_VERSION);
+
+
+int __wrap_clock_gettime(clockid_t clk_id, struct timespec *tp) {
+        return __clock_gettime_glibc_old(clk_id, tp);
+}
+
+UTItype __udivmodti4(UTItype num, UTItype den, UTItype *rem_p);
+
+TItype __wrap___divmodti4(TItype num, TItype den, TItype *rem_p) {
+        int minus = 0;
+        TItype v;
+
+        if (num < 0) {
+                num = -num;
+                minus = 1;
+        }
+        if (den < 0) {
+                den = -den;
+                minus ^= 1;
+        }
+
+        v = __udivmodti4(num, den, (UTItype *)rem_p);
+        if (minus) {
+                v = -v;
+                if (rem_p)
+                        *rem_p = -(*rem_p);
+        }
+
+        return v;
+}
+

nice_target_sources.cmake

@@ -4,7 +4,10 @@
 # For license and copyright information please follow this link:
 # https://github.com/desktop-app/legal/blob/master/LEGAL
 
-function(nice_target_sources target_name src_loc list)
+function(nice_target_sources target_name src_loc)
+    set(list ${ARGV})
+    list(REMOVE_AT list 0 1)
+
     set(writing_now "")
     set(private_sources "")
     set(public_sources "")

options_linux.cmake

@@ -3,3 +3,29 @@
 #
 # For license and copyright information please follow this link:
 # https://github.com/desktop-app/legal/blob/master/LEGAL
+
+target_compile_options(common_options
+INTERFACE
+    -g
+    -pipe
+    -Wall
+    -Werror
+    -W
+    -fPIC
+    -Wno-unused-variable
+    -Wno-unused-parameter
+    -Wno-unused-function
+    -Wno-switch
+    -Wno-comment
+    -Wno-unused-but-set-variable
+    -Wno-missing-field-initializers
+    -Wno-sign-compare
+    -Wno-attributes
+    -Wno-parentheses
+    -Wno-stringop-overflow
+    -Wno-error=class-memaccess
+)
+target_link_options(common_options
+INTERFACE
+    -g
+)

target_link_static_libraries.cmake

@@ -0,0 +1,45 @@
+# This file is part of Desktop App Toolkit,
+# a set of libraries for developing nice desktop applications.
+#
+# For license and copyright information please follow this link:
+# https://github.com/desktop-app/legal/blob/master/LEGAL
+
+function(target_link_static_libraries target_name)
+    set(list ${ARGV})
+    list(REMOVE_AT list 0)
+
+    set(writing_now "")
+    set(private_libs "")
+    set(public_libs "")
+    set(interface_libs "")
+    foreach (entry ${list})
+        if (${entry} STREQUAL "PRIVATE" OR ${entry} STREQUAL "PUBLIC" OR ${entry} STREQUAL "INTERFACE")
+            set(writing_now ${entry})
+        else()
+            find_library(static_lib_${entry} lib${entry}.a)
+            set(full_path "${static_lib_${entry}}")
+            if (${full_path} STREQUAL static_lib_${entry}-NOTFOUND)
+                message(FATAL_ERROR "Could not find static library lib${entry}.a")
+            endif()
+            if ("${writing_now}" STREQUAL "PRIVATE")
+                list(APPEND private_libs ${full_path})
+            elseif ("${writing_now}" STREQUAL "PUBLIC")
+                list(APPEND public_libs ${full_path})
+            elseif ("${writing_now}" STREQUAL "INTERFACE")
+                list(APPEND interface_libs ${full_path})
+            else()
+                message(FATAL_ERROR "Unknown frameworks scope for target ${target_name}")
+            endif()
+        endif()
+    endforeach()
+
+    if (NOT "${public_libs}" STREQUAL "")
+        target_link_libraries(${target_name} PUBLIC ${public_libs})
+    endif()
+    if (NOT "${private_libs}" STREQUAL "")
+        target_link_libraries(${target_name} PRIVATE ${private_libs})
+    endif()
+    if (NOT "${interface_libs}" STREQUAL "")
+        target_link_libraries(${target_name} INTERFACE ${interface_libs})
+    endif()
+endfunction()

variables.cmake

@@ -29,6 +29,7 @@ endif()
 set(build_osx 0)
 set(build_macstore 0)
 set(build_winstore 0)
+set(build_linux32 0)
 
 if (WIN32)
     if (DESKTOP_APP_SPECIAL_TARGET STREQUAL "uwp")
@@ -49,17 +50,24 @@ elseif (APPLE)
     endif()
 else()
     set(LINUX 1)
+    execute_process(COMMAND uname -m OUTPUT_VARIABLE machine_uname)
+    if (NOT ${machine_uname} MATCHES "x86_64" AND NOT ${machine_uname} MATCHES "aarch64")
+        set(build_linux32 1)
+    endif()
     if (DESKTOP_APP_SPECIAL_TARGET STREQUAL "linux")
-        if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
+        if (build_linux32)
             report_bad_special_target()
         endif()
     elseif (DESKTOP_APP_SPECIAL_TARGET STREQUAL "linux32")
-        if (NOT CMAKE_SIZEOF_VOID_P EQUAL 4)
+        if (NOT build_linux32)
             report_bad_special_target()
         endif()
     elseif (NOT DESKTOP_APP_SPECIAL_TARGET STREQUAL "")
         report_bad_special_target()
     endif()
+    set(CMAKE_AR /usr/bin/gcc-ar)
+    set(CMAKE_RANLIB /usr/bin/gcc-ranlib)
+    set(CMAKE_NM /usr/bin/gcc-nm)
 endif()
 
 if (NOT APPLE OR build_osx)