diff options
Diffstat (limited to 'solenv/gbuild/platform/com_GCC_defs.mk')
| -rw-r--r-- | solenv/gbuild/platform/com_GCC_defs.mk | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/solenv/gbuild/platform/com_GCC_defs.mk b/solenv/gbuild/platform/com_GCC_defs.mk new file mode 100644 index 000000000..bdf1684eb --- /dev/null +++ b/solenv/gbuild/platform/com_GCC_defs.mk @@ -0,0 +1,335 @@ +# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*- +# +# This file is part of the LibreOffice project. +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# + +gb_AWK := awk + +gb_CLASSPATHSEP := : +gb_LICENSE := LICENSE +gb_README = README_$(1) + +# use CC/CXX if they are nondefaults +ifneq ($(origin CC),default) +gb_CC := $(CC) +gb_GCCP := $(CC) +else +gb_CC := gcc +gb_GCCP := gcc +endif + +ifneq ($(origin CXX),default) +gb_CXX := $(CXX) +else +gb_CXX := g++ +endif + +ifneq ($(origin AR),default) +gb_AR := $(AR) +else +gb_AR := $(shell $(CC) -print-prog-name=ar) +endif + +# shell setup (env.vars) for the compiler +gb_COMPILER_SETUP := + +ifeq ($(strip $(gb_COMPILEROPTFLAGS)),) +gb_COMPILEROPTFLAGS := -O2 +endif + +gb_AFLAGS := $(AFLAGS) + +gb_COMPILERDEFS := \ + -DBOOST_ERROR_CODE_HEADER_ONLY \ + -DBOOST_SYSTEM_NO_DEPRECATED \ + -DCPPU_ENV=$(CPPU_ENV) \ + $(if $(filter EMSCRIPTEN,$(OS)),-U_FORTIFY_SOURCE) \ + +# enable debug STL +ifeq ($(gb_ENABLE_DBGUTIL),$(true)) +ifneq ($(HAVE_LIBSTDCPP),) +gb_COMPILERDEFS_STDLIB_DEBUG = -D_GLIBCXX_DEBUG +else +ifneq ($(LIBCPP_DEBUG),) +gb_COMPILERDEFS_STDLIB_DEBUG = $(LIBCPP_DEBUG) +endif +endif +gb_COMPILERDEFS += $(gb_COMPILERDEFS_STDLIB_DEBUG) +endif + +gb_CFLAGS_COMMON := \ + -Wall \ + -Wendif-labels \ + -Wextra \ + -Wstrict-prototypes \ + -Wundef \ + -Wunreachable-code \ + $(if $(or $(and $(COM_IS_CLANG),$(or $(findstring icecc,$(CC)),$(findstring icecc,$(CCACHE_PREFIX)))),$(findstring sccache,$(CC))),,-Wunused-macros) \ + $(if $(COM_IS_CLANG),-Wembedded-directive) \ + -finput-charset=UTF-8 \ + -fmessage-length=0 \ + -fno-common \ + -pipe \ + $(if $(filter EMSCRIPTEN,$(OS)),-fno-stack-protector,-fstack-protector-strong) \ + +gb_CXXFLAGS_COMMON := \ + -Wall \ + -Wno-missing-braces \ + -Wnon-virtual-dtor \ + -Wendif-labels \ + -Wextra \ + -Wundef \ + -Wunreachable-code \ + -Wshadow \ + $(if $(or $(and $(COM_IS_CLANG),$(or $(findstring icecc,$(CXX)),$(findstring icecc,$(CCACHE_PREFIX)))),$(findstring sccache,$(CXX))),,-Wunused-macros) \ + $(if $(COM_IS_CLANG),-Wembedded-directive) \ + -finput-charset=UTF-8 \ + -fmessage-length=0 \ + -fno-common \ + -pipe \ + $(if $(filter EMSCRIPTEN,$(OS)),-fno-stack-protector,-fstack-protector-strong) \ + +ifeq ($(HAVE_WDEPRECATED_COPY_DTOR),TRUE) +gb_CXXFLAGS_COMMON += -Wdeprecated-copy-dtor +endif + +gb_CXXFLAGS_DISABLE_WARNINGS = -w + +ifeq ($(HAVE_BROKEN_GCC_WMAYBE_UNINITIALIZED),TRUE) +gb_CXXFLAGS_COMMON += -Wno-maybe-uninitialized +endif + +ifeq ($(HAVE_BROKEN_GCC_WSTRINGOP_OVERFLOW),TRUE) +gb_CXXFLAGS_COMMON += -Wno-stringop-overflow +endif + +gb_CXXFLAGS_Wundef = -Wno-undef + +gb_CXXFLAGS_include := -include$(gb_SPACE) + +ifeq ($(strip $(gb_GCOV)),YES) +gb_CFLAGS_COMMON += -fprofile-arcs -ftest-coverage +gb_CXXFLAGS_COMMON += -fprofile-arcs -ftest-coverage +gb_LinkTarget_LDFLAGS += -fprofile-arcs -lgcov +gb_COMPILEROPTFLAGS := -O0 +endif + +ifeq ($(DISABLE_DYNLOADING),TRUE) +gb_CFLAGS_COMMON += -ffunction-sections -fdata-sections +gb_CXXFLAGS_COMMON += -ffunction-sections -fdata-sections +ifneq ($(OS),EMSCRIPTEN) +gb_LinkTarget_LDFLAGS += -Wl,--gc-sections +endif +endif + +ifeq ($(COM_IS_CLANG),TRUE) +gb_CXXFLAGS_COMMON += \ + -Wimplicit-fallthrough \ + -Wunused-exception-parameter \ + -Wrange-loop-analysis +else +gb_CFLAGS_COMMON += \ + -Wduplicated-cond \ + -Wlogical-op \ + -Wshift-overflow=2 +gb_CXXFLAGS_COMMON += \ + -Wduplicated-cond \ + -Wlogical-op \ + -Wshift-overflow=2 \ + -Wunused-const-variable=1 +endif + +# GCC 8 -Wcast-function-type (included in -Wextra) unhelpfully even warns on reinterpret_cast +# between incompatible function types: +ifeq ($(shell expr '$(GCC_VERSION)' '>=' 800),1) +gb_CXXFLAGS_COMMON += \ + -Wno-cast-function-type +endif + +# If CC or CXX already include -fvisibility=hidden, don't duplicate it +ifeq (,$(filter -fvisibility=hidden,$(CC))) +gb_VISIBILITY_FLAGS := -fvisibility=hidden +endif +gb_VISIBILITY_FLAGS_CXX := -fvisibility-inlines-hidden +gb_CXXFLAGS_COMMON += $(gb_VISIBILITY_FLAGS_CXX) + +gb_LinkTarget_LDFLAGS += $(if $(filter EMSCRIPTEN,$(OS)),-fno-stack-protector,-fstack-protector-strong) + +ifneq ($(gb_ENABLE_PCH),) +ifeq ($(COM_IS_CLANG),TRUE) +# Clang by default includes in the PCH timestamps of the files it was +# generated from, which would make the PCH be a "new" file for ccache +# even if the file has not actually changed. Disabling the timestamp +# prevents this at the cost of risking using an outdated PCH (which +# should be unlikely, given that gbuild has dependencies set up +# for our includes and system includes are unlikely to change). +gb_NO_PCH_TIMESTAMP := -Xclang -fno-pch-timestamp +else +gb_CFLAGS_COMMON += -fpch-preprocess -Winvalid-pch +gb_CXXFLAGS_COMMON += -fpch-preprocess -Winvalid-pch +gb_NO_PCH_TIMESTAMP := +endif +endif + +gb_CFLAGS_WERROR = $(if $(ENABLE_WERROR),-Werror) + +# This is the default in non-C++11 mode +ifeq ($(COM_IS_CLANG),TRUE) +gb_CXX03FLAGS := -std=gnu++98 -Werror=c++11-extensions -Wno-c++11-long-long \ + -Wno-deprecated-declarations +else +gb_CXX03FLAGS := -std=gnu++98 -Wno-long-long \ + -Wno-variadic-macros -Wno-non-virtual-dtor -Wno-deprecated-declarations +endif + +# On Windows MSVC only supports C90 so force gnu89 (especially in clang) to +# to catch potential gnu89/C90 incompatibilities locally. +gb_CFLAGS_COMMON += -std=gnu89 + +ifeq ($(ENABLE_LTO),TRUE) +ifeq ($(COM_IS_CLANG),TRUE) +gb_LTOFLAGS := -flto=thin +ifeq (,$(index,iOS MACOSX,$(OS))) +gb_LTOPLUGINFLAGS := --plugin $(if $(LD_PLUGIN),$(LD_PLUGIN),LLVMgold.so) +endif +else +# use parallelism based on make's job handling +gb_LTOFLAGS := -flto=jobserver -fuse-linker-plugin -O2 +# clang does not support -flto=<number> +gb_CLANG_LTOFLAGS := -flto=thin +endif +endif + +gb_LinkTarget_EXCEPTIONFLAGS := \ + -DEXCEPTIONS_ON \ + -fexceptions + +ifeq ($(gb_ENABLE_DBGUTIL),$(false)) +# Clang doesn't have this option +ifeq ($(HAVE_GCC_FNO_ENFORCE_EH_SPECS),TRUE) +gb_LinkTarget_EXCEPTIONFLAGS += \ + -fno-enforce-eh-specs +gb_FilterOutClangCFLAGS += -fno-enforce-eh-specs +endif +endif + +gb_PrecompiledHeader_EXCEPTIONFLAGS := $(gb_LinkTarget_EXCEPTIONFLAGS) + +# We turn on and off this one depending on whether icecream and/or ccache are used, +# and changing cxxflags cause PCH rebuilds, so e.g. a plain temporary 'CCACHE_DISABLE=1' +# would cause a rebuild. Ignore the flag there, it's irrelevant for PCH use anyway. +gb_PrecompiledHeader_ignore_flags_for_flags_file := -Wunused-macros + +# optimization level +gb_COMPILERNOOPTFLAGS := -O0 -fstrict-aliasing -fstrict-overflow +gb_COMPILERDEBUGOPTFLAGS := -Og + +ifeq ($(OS),ANDROID) +gb_DEBUGINFO_FLAGS=-glldb +# Clang does not know -ggdb2 or some other options +else ifeq ($(HAVE_GCC_GGDB2),TRUE) +gb_DEBUGINFO_FLAGS=-ggdb2 +else +gb_DEBUGINFO_FLAGS=-g2 +endif +gb_LINKER_DEBUGINFO_FLAGS= + +ifeq ($(HAVE_EXTERNAL_DWARF),TRUE) +gb_DEBUGINFO_FLAGS+=-gsplit-dwarf +# GCC 11 defaults to -gdwarf-5, which GDB 10 doesn't support in split debug info +ifeq ($(COM_IS_CLANG),) +gb_DEBUGINFO_FLAGS+=-gdwarf-4 +endif +endif + +ifeq ($(HAVE_CLANG_DEBUG_INFO_KIND_CONSTRUCTOR),TRUE) +gb_DEBUGINFO_FLAGS+=-Xclang -debug-info-kind=constructor +endif + +ifeq ($(ENABLE_GDB_INDEX),TRUE) +gb_LINKER_DEBUGINFO_FLAGS += -Wl,--gdb-index +gb_DEBUGINFO_FLAGS += -ggnu-pubnames +endif + +gb_LinkTarget_INCLUDE :=\ + $(SOLARINC) \ + -I$(BUILDDIR)/config_$(gb_Side) \ + +ifeq ($(COM_IS_CLANG),TRUE) +gb_COMPILER_TEST_FLAGS := -Xclang -plugin-arg-loplugin -Xclang --unit-test-mode +ifeq ($(COMPILER_PLUGIN_TOOL),) +gb_COMPILER_PLUGINS := -Xclang -load -Xclang $(BUILDDIR)/compilerplugins/clang/plugin.so -Xclang -add-plugin -Xclang loplugin +ifneq ($(COMPILER_PLUGIN_WARNINGS_ONLY),) +gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang \ + --warnings-only='$(COMPILER_PLUGIN_WARNINGS_ONLY)' +endif +else +gb_COMPILER_PLUGINS := -Xclang -load -Xclang $(BUILDDIR)/compilerplugins/clang/plugin.so -Xclang -plugin -Xclang loplugin $(foreach plugin,$(COMPILER_PLUGIN_TOOL), -Xclang -plugin-arg-loplugin -Xclang $(plugin)) +ifneq ($(UPDATE_FILES),) +gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang --scope=$(UPDATE_FILES) +endif +endif +ifeq ($(COMPILER_PLUGINS_DEBUG),TRUE) +gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang --debug +endif +# set CCACHE_CPP2=1 to prevent clang generating spurious warnings +gb_COMPILER_SETUP += CCACHE_CPP2=1 +gb_COMPILER_PLUGINS_SETUP := ICECC_EXTRAFILES=$(SRCDIR)/include/sal/log-areas.dox CCACHE_EXTRAFILES=$(SRCDIR)/include/sal/log-areas.dox SCCACHE_EXTRAFILES=$(SRCDIR)/include/sal/log-areas.dox +gb_COMPILER_PLUGINS_WARNINGS_AS_ERRORS := \ + -Xclang -plugin-arg-loplugin -Xclang --warnings-as-errors +else +# Set CCACHE_CPP2 to prevent GCC -Werror=implicit-fallthrough= when ccache strips comments from C +# code (which still needs /*fallthrough*/-style comments to silence that warning): +ifeq ($(ENABLE_WERROR),TRUE) +gb_COMPILER_SETUP += CCACHE_CPP2=1 +endif +gb_COMPILER_TEST_FLAGS := +gb_COMPILER_PLUGINS := +gb_COMPILER_PLUGINS_SETUP := +gb_COMPILER_PLUGINS_WARNINGS_AS_ERRORS := +endif + +# Executable class + +gb_Executable_EXT_for_build := + +# Helper class + +ifeq ($(OS_FOR_BUILD),MACOSX) +gb_Helper_LIBRARY_PATH_VAR := DYLD_LIBRARY_PATH +else ifeq ($(OS_FOR_BUILD),AIX) +gb_Helper_LIBRARY_PATH_VAR := LIBPATH +else ifeq ($(OS_FOR_BUILD),WNT) +# In theory possible if cross-compiling to some Unix from Windows, +# in practice strongly discouraged to even try that +gb_Helper_LIBRARY_PATH_VAR := PATH +else ifeq ($(OS_FOR_BUILD),HAIKU) +gb_Helper_LIBRARY_PATH_VAR := LIBRARY_PATH +else +gb_Helper_LIBRARY_PATH_VAR := LD_LIBRARY_PATH +endif + +gb_Helper_set_ld_path := $(gb_Helper_LIBRARY_PATH_VAR)=$${$(gb_Helper_LIBRARY_PATH_VAR):+$$$(gb_Helper_LIBRARY_PATH_VAR):}"$(INSTROOT_FOR_BUILD)/$(LIBO_URE_LIB_FOLDER_FOR_BUILD):$(INSTROOT_FOR_BUILD)/$(LIBO_LIB_FOLDER_FOR_BUILD)" + +# $(1): list of : separated directory pathnames to append to the ld path +define gb_Helper_extend_ld_path +$(gb_Helper_set_ld_path):$(1) +endef + +# Convert path to file URL. +define gb_Helper_make_url +file://$(strip $(1)) +endef + +gb_Helper_get_rcfile = $(1)rc + +ifneq ($(gb_ENABLE_PCH),) +# Enable use of .sum files for PCHs. +gb_COMPILER_SETUP += CCACHE_PCH_EXTSUM=1 +endif + +# vim: set noet sw=4: |