7 files changed, 26 insertions, 4 deletions
diff --git a/mkspecs/common/android-base-head.conf b/mkspecs/common/android-base-head.conf
index 9be6111915..c7c27298b9 100644
--- a/mkspecs/common/android-base-head.conf
+++ b/mkspecs/common/android-base-head.conf
@@ -75,3 +75,10 @@ equals(ANDROID_TARGET_ARCH, x86_64)|equals(ANDROID_TARGET_ARCH, mips64): \
     QMAKE_ANDROID_PLATFORM_LIBDIR = $${QMAKE_ANDROID_PLATFORM_LIBDIR}64
 
 CROSS_COMPILE = $$NDK_TOOLCHAIN_PATH/bin/$$NDK_TOOLS_PREFIX-
+
+QMAKE_PCH_OUTPUT_EXT    = .gch
+
+QMAKE_CFLAGS_PRECOMPILE       = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CFLAGS_USE_PRECOMPILE   = -include ${QMAKE_PCH_OUTPUT_BASE}
+QMAKE_CXXFLAGS_PRECOMPILE     = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
diff --git a/mkspecs/common/android-base-tail.conf b/mkspecs/common/android-base-tail.conf
index 7c3ae9566a..e239fa01c5 100644
--- a/mkspecs/common/android-base-tail.conf
+++ b/mkspecs/common/android-base-tail.conf
@@ -30,6 +30,8 @@ QMAKE_CFLAGS_THREAD     = -D_REENTRANT
 QMAKE_CFLAGS_HIDESYMS   = -fvisibility=hidden
 QMAKE_CFLAGS_NEON       = -mfpu=neon
 
+QMAKE_CFLAGS_GNUC99     = -std=gnu99
+QMAKE_CFLAGS_GNUC11     = -std=gnu11
 QMAKE_CXXFLAGS_CXX11    = -std=c++11
 QMAKE_CXXFLAGS_CXX14    = -std=c++14
 QMAKE_CXXFLAGS_CXX1Z    = -std=c++1z
diff --git a/mkspecs/common/clang.conf b/mkspecs/common/clang.conf
index e003b947aa..6122a37213 100644
--- a/mkspecs/common/clang.conf
+++ b/mkspecs/common/clang.conf
@@ -21,6 +21,8 @@ QMAKE_CFLAGS_PRECOMPILE          = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_
 QMAKE_CFLAGS_USE_PRECOMPILE      = -Xclang -include-pch -Xclang ${QMAKE_PCH_OUTPUT}
 QMAKE_CFLAGS_LTCG                = -flto
 QMAKE_CFLAGS_DISABLE_LTCG        = -fno-lto
+QMAKE_CFLAGS_GNUC99              = -std=gnu99
+QMAKE_CFLAGS_GNUC11              = -std=gnu11
 
 QMAKE_CXXFLAGS_PRECOMPILE        = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
 QMAKE_CXXFLAGS_USE_PRECOMPILE    = $$QMAKE_CFLAGS_USE_PRECOMPILE
diff --git a/mkspecs/common/g++-base.conf b/mkspecs/common/g++-base.conf
index c42c46b0ec..fa0f0c391d 100644
--- a/mkspecs/common/g++-base.conf
+++ b/mkspecs/common/g++-base.conf
@@ -27,6 +27,8 @@ QMAKE_CFLAGS_USE_PRECOMPILE   = -include ${QMAKE_PCH_OUTPUT_BASE}
 QMAKE_CXXFLAGS_PRECOMPILE     = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
 QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
 
+QMAKE_CFLAGS_GNUC99     = -std=gnu99
+QMAKE_CFLAGS_GNUC11     = -std=gnu11
 QMAKE_CXXFLAGS_CXX11    = -std=c++11
 QMAKE_CXXFLAGS_CXX14    = -std=c++1y
 QMAKE_CXXFLAGS_CXX1Z    = -std=c++1z
diff --git a/mkspecs/common/gcc-base.conf b/mkspecs/common/gcc-base.conf
index 234f71d495..e51b173276 100644
--- a/mkspecs/common/gcc-base.conf
+++ b/mkspecs/common/gcc-base.conf
@@ -50,7 +50,7 @@ QMAKE_CFLAGS_ISYSTEM        = -isystem
 QMAKE_CFLAGS_YACC          += -Wno-unused -Wno-parentheses
 QMAKE_CFLAGS_HIDESYMS      += -fvisibility=hidden
 QMAKE_CFLAGS_EXCEPTIONS_OFF += -fno-exceptions
-QMAKE_CFLAGS_SPLIT_SECTIONS += -ffunction-sections
+QMAKE_CFLAGS_SPLIT_SECTIONS += -ffunction-sections -fdata-sections
 QMAKE_CFLAGS_LTCG           = -flto -fno-fat-lto-objects
 QMAKE_CFLAGS_LTCG_FATOBJECTS = -ffat-lto-objects
 QMAKE_CFLAGS_DISABLE_LTCG   = -fno-lto
@@ -81,6 +81,9 @@ QMAKE_LFLAGS_RELEASE_WITH_DEBUGINFO +=
 QMAKE_LFLAGS_EXCEPTIONS_OFF +=
 QMAKE_LFLAGS_LTCG       = $$QMAKE_CFLAGS_LTCG -fuse-linker-plugin
 
+QMAKE_CFLAGS_C99       = -std=c99
+QMAKE_CFLAGS_C11       = -std=c11
+
 QMAKE_CFLAGS_SSE2      += -msse2
 QMAKE_CFLAGS_SSE3      += -msse3
 QMAKE_CFLAGS_SSSE3     += -mssse3
diff --git a/mkspecs/common/macx.conf b/mkspecs/common/macx.conf
index 4be0eb3c39..7017d60e71 100644
--- a/mkspecs/common/macx.conf
+++ b/mkspecs/common/macx.conf
@@ -11,4 +11,6 @@ device.dir_affix = $${device.sdk}
 device.CONFIG = $${device.sdk}
 device.deployment_identifier = $${device.sdk}
 
+QMAKE_LIBS_VULKAN =
+
 include(mac.conf)
diff --git a/mkspecs/common/qcc-base-qnx.conf b/mkspecs/common/qcc-base-qnx.conf
index 148645b4e9..21ce269006 100644
--- a/mkspecs/common/qcc-base-qnx.conf
+++ b/mkspecs/common/qcc-base-qnx.conf
@@ -42,9 +42,13 @@ QMAKE_INCDIR_POST       = $${QNX_DIR}/usr/include $${QNX_DIR}/usr/include/freety
 QMAKE_LIBDIR_POST       = $${QNX_DIR}/$${QNX_CPUDIR}/lib $${QNX_DIR}/$${QNX_CPUDIR}/usr/lib
 QMAKE_RPATHLINKDIR_POST += $${QNX_DIR}/$${QNX_CPUDIR}/lib $${QNX_DIR}/$${QNX_CPUDIR}/usr/lib
 
-QMAKE_CXXFLAGS_CXX11    = -Wc,-std=gnu++11
-QMAKE_CXXFLAGS_CXX14    = -Wc,-std=gnu++1y
-QMAKE_CXXFLAGS_CXX1Z    = -Wc,-std=gnu++1z
+QMAKE_CXXFLAGS_CXX11    =
+QMAKE_CXXFLAGS_CXX14    =
+QMAKE_CXXFLAGS_CXX1Z    =
+
+QMAKE_CXXFLAGS_GNUCXX11 = -Wc,-std=gnu++11
+QMAKE_CXXFLAGS_GNUCXX14 = -Wc,-std=gnu++1y
+QMAKE_CXXFLAGS_GNUCXX1Z = -Wc,-std=gnu++1z
 
 QMAKE_LINK_C            = $$QMAKE_CC
 QMAKE_LINK_C_SHLIB      = $$QMAKE_CC