7d3251adf2
...following up on 95e719730d "Emscripten:
Explicitly set -sEXPORT_EXCEPTION_HANDLING_HELPERS". For one, it should indeed
only be relevant for linking. For another, the previous change had caused at
least ExternalProject_libtiff to fail with "checking whether the C compiler
works... no" because of "emcc: error: EXPORT_EXCEPTION_HANDLING_HELPERS requires
either of -fexceptions or -fwasm-exceptions".
Change-Id: I477731c1cffd2b6ee895116043eda91fca44d08f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/172825
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
98 lines
3.8 KiB
Makefile
98 lines
3.8 KiB
Makefile
# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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include $(GBUILDDIR)/platform/unxgcc.mk
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gb_RUN_CONFIGURE := $(SRCDIR)/solenv/bin/run-configure
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# avoid -s SAFE_HEAP=1 - c.f. gh#8584 this breaks source maps
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gb_EMSCRIPTEN_CPPFLAGS := -pthread -s USE_PTHREADS=1 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -s SUPPORT_LONGJMP=wasm
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gb_EMSCRIPTEN_LDFLAGS := $(gb_EMSCRIPTEN_CPPFLAGS)
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# Initial memory size
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gb_EMSCRIPTEN_LDFLAGS += -s TOTAL_MEMORY=1GB
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# Double the main thread stack size, but keep the default value for other threads:
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gb_EMSCRIPTEN_LDFLAGS += -sSTACK_SIZE=131072 -sDEFAULT_PTHREAD_STACK_SIZE=65536
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# To keep the link time (and memory) down, prevent all rewriting options from wasm-emscripten-finalize
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# See emscripten.py, finalize_wasm, modify_wasm = True
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# So we need WASM_BIGINT=1 and ASSERTIONS=1 (2 implies STACK_OVERFLOW_CHECK)
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gb_EMSCRIPTEN_LDFLAGS += --bind -s FORCE_FILESYSTEM=1 -s WASM_BIGINT=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s FETCH=1 -s ASSERTIONS=1 -s EXIT_RUNTIME=0 -s EXPORTED_RUNTIME_METHODS=["UTF16ToString","stringToUTF16","UTF8ToString","ccall","cwrap","addOnPreMain","addOnPostRun","registerType","throwBindingError"$(if $(ENABLE_QT6),$(COMMA)"callMain"$(COMMA)"specialHTMLTargets")]
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gb_EMSCRIPTEN_QTDEFS := -DQT_NO_LINKED_LIST -DQT_NO_JAVA_STYLE_ITERATORS -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB
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ifeq ($(ENABLE_EMSCRIPTEN_PROXY_POSIX_SOCKETS),TRUE)
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gb_EMSCRIPTEN_LDFLAGS += -sPROXY_POSIX_SOCKETS -lwebsocket.js
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endif
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gb_Executable_EXT := .html
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gb_EMSCRIPTEN_EXCEPT = -fwasm-exceptions -s SUPPORT_LONGJMP=wasm
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gb_CXXFLAGS += $(gb_EMSCRIPTEN_CPPFLAGS)
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# Here we don't use += because gb_LinkTarget_EXCEPTIONFLAGS from com_GCC_defs.mk contains -fexceptions and
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# gb_EMSCRIPTEN_EXCEPT already has -fwasm-exceptions
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gb_LinkTarget_EXCEPTIONFLAGS = $(gb_EMSCRIPTEN_EXCEPT)
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gb_LinkTarget_CFLAGS += $(gb_EMSCRIPTEN_CPPFLAGS)
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gb_LinkTarget_CXXFLAGS += $(gb_EMSCRIPTEN_CPPFLAGS) $(gb_EMSCRIPTEN_EXCEPT)
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ifeq ($(ENABLE_QT5),TRUE)
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gb_LinkTarget_CFLAGS += $(gb_EMSCRIPTEN_QTDEFS)
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gb_LinkTarget_CXXFLAGS += $(gb_EMSCRIPTEN_QTDEFS)
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endif
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gb_LinkTarget_LDFLAGS += $(gb_EMSCRIPTEN_LDFLAGS) $(gb_EMSCRIPTEN_CPPFLAGS) \
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$(gb_EMSCRIPTEN_EXCEPT) -sEXPORT_EXCEPTION_HANDLING_HELPERS
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# Linker and compiler optimize + debug flags are handled in LinkTarget.mk
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gb_LINKEROPTFLAGS :=
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gb_LINKERSTRIPDEBUGFLAGS :=
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# This maps to g3, no source maps, but DWARF with current emscripten!
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# https://developer.chrome.com/blog/wasm-debugging-2020/
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gb_DEBUGINFO_FLAGS = -g
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ifeq ($(HAVE_EXTERNAL_DWARF),TRUE)
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gb_DEBUGINFO_FLAGS += -gsplit-dwarf -gpubnames
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endif
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gb_COMPILEROPTFLAGS := -O3
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# We need at least code elimination, otherwise linking OOMs even with 64GB.
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# So we "fake" -Og support to mean -O1 for Emscripten and always enable it for debug in configure.
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gb_COMPILERDEBUGOPTFLAGS := -O1
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gb_COMPILERNOOPTFLAGS := -O1 -fstrict-aliasing -fstrict-overflow
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# cleanup addition JS and wasm files for binaries
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define gb_Executable_Executable_platform
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$(call gb_LinkTarget_add_auxtargets,$(2),\
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$(patsubst %.lib,%.linkdeps,$(3)) \
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$(patsubst %.lib,%.wasm,$(3)) \
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$(patsubst %.lib,%.js,$(3)) \
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$(patsubst %.lib,%.worker.js,$(3)) \
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$(patsubst %.lib,%.wasm.dwp,$(3)) \
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)
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endef
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define gb_CppunitTest_CppunitTest_platform
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$(call gb_LinkTarget_add_auxtargets,$(2),\
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$(patsubst %.lib,%.linkdeps,$(3)) \
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$(patsubst %.lib,%.wasm,$(3)) \
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$(patsubst %.lib,%.js,$(3)) \
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$(patsubst %.lib,%.worker.js,$(3)) \
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$(patsubst %.lib,%.wasm.dwp,$(3)) \
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)
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endef
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define gb_Library_get_rpath
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endef
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define gb_Executable_get_rpath
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endef
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# vim: set noet sw=4 ts=4
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