From 591edbb11c73a51d5d6657ef4e3b585d556d7c68 Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen Date: Wed, 14 Feb 2018 13:40:57 +0100 Subject: Detect C standard and try using the most recent one (take 2) Fixes the default C version used with gcc < 5 Change-Id: I948dece961caed8e6b181e1c6e6b9dc43c46583e Reviewed-by: Oswald Buddenhagen --- mkspecs/common/android-base-tail.conf | 2 ++ mkspecs/common/clang.conf | 2 ++ mkspecs/common/g++-base.conf | 2 ++ mkspecs/common/gcc-base.conf | 3 +++ mkspecs/features/default_post.prf | 13 +++++++++++++ mkspecs/features/qt_common.prf | 2 ++ mkspecs/features/qt_configure.prf | 13 +++++++++++-- 7 files changed, 35 insertions(+), 2 deletions(-) (limited to 'mkspecs') 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..0407ba9724 100644 --- a/mkspecs/common/gcc-base.conf +++ b/mkspecs/common/gcc-base.conf @@ -81,6 +81,9 @@ QMAKE_LFLAGS_RELEASE_WITH_DEBUGINFO += QMAKE_LFLAGS_EXCEPTIONS_OFF += QMAKE_LFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG -fuse-linker-plugin +QMAKE_CFLAGS_C99 = -std=c99 +QMAKE_CFLAGS_C11 = -std=c11 + QMAKE_CFLAGS_SSE2 += -msse2 QMAKE_CFLAGS_SSE3 += -msse3 QMAKE_CFLAGS_SSSE3 += -mssse3 diff --git a/mkspecs/features/default_post.prf b/mkspecs/features/default_post.prf index 5367b17973..ad4a5f6365 100644 --- a/mkspecs/features/default_post.prf +++ b/mkspecs/features/default_post.prf @@ -143,6 +143,19 @@ c++11|c++14|c++1z { unset(cxxstd) } +c99|c11 { + c11: cstd = C11 + else: cstd = C99 + + !isEmpty(QMAKE_CFLAGS_GNU$$cstd) { + !strict_c|isEmpty(QMAKE_CFLAGS_$$cstd): cstd = GNU$$cstd + } + + QMAKE_CFLAGS += $$eval(QMAKE_CFLAGS_$$cstd) + + unset(cstd) +} + utf8_source { QMAKE_CFLAGS += $$QMAKE_CFLAGS_UTF8_SOURCE QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_UTF8_SOURCE diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf index 93f9a2429d..638fbf38be 100644 --- a/mkspecs/features/qt_common.prf +++ b/mkspecs/features/qt_common.prf @@ -17,6 +17,8 @@ DEFINES *= QT_NO_NARROWING_CONVERSIONS_IN_CONNECT qtConfig(c++11): CONFIG += c++11 strict_c++ qtConfig(c++14): CONFIG += c++14 qtConfig(c++1z): CONFIG += c++1z +qtConfig(c99): CONFIG += c99 +qtConfig(c11): CONFIG += c11 qtConfig(stack-protector-strong): CONFIG += stack_protector_strong contains(TEMPLATE, .*lib) { # module and plugins diff --git a/mkspecs/features/qt_configure.prf b/mkspecs/features/qt_configure.prf index 6e29eaa2b7..70c763a2c3 100644 --- a/mkspecs/features/qt_configure.prf +++ b/mkspecs/features/qt_configure.prf @@ -870,6 +870,15 @@ defineTest(qtConfTestPrepare_compile) { defineTest(qtConfPrepareCompileTestSource) { test_dir = $$2 + test_lang = $$eval($${1}.lang) + isEmpty(test_lang): test_lang = "c++" + + equals(test_lang, "c++"): suffix = "cpp" + else: equals(test_lang, "c"): suffix = "c" + else: equals(test_lang, "objc"): suffix = "m" + else: equals(test_lang, "objc++"): suffix = "mm" + else: error("Unknown language '$$test_lang' in compile test $$1") + # Create source code contents = "/* Generated by configure */" # Custom code before includes @@ -893,10 +902,10 @@ defineTest(qtConfPrepareCompileTestSource) { " /* END TEST */" \ " return 0;" \ "}" - write_file($$test_dir/main.cpp, contents)|error() + write_file($$test_dir/main.$$suffix, contents)|error() # Create stub .pro file - contents = "SOURCES = main.cpp" + contents = "SOURCES = main.$$suffix" # Custom project code for (ent, $$qtConfScalarOrList($${1}.qmake)): \ contents += $$ent -- cgit v1.2.3