Improve avoiding C++ linkage, definition creation and cmake tests (#710)
This commit is contained in:
Ebrahim Byagowi
GitHub
parent
9b693212a8
commit
00806149b9
@ -25,7 +25,7 @@ jobs:
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- image: base/devel
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steps:
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- checkout
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- run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel
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- run: pacman --noconfirm -Syu freetype2 cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python
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- run: ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
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- run: make && (make check || (cat `find -name '*.log'` && false))
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@ -34,7 +34,7 @@ jobs:
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- image: fedora
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steps:
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- checkout
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- run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config || true
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- run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python || true
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- run: NOCONFIGURE=1 ./autogen.sh --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2
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- run: mkdir build && cd build && ../configure && make && (make check || (cat `find -name '*.log'` && false))
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@ -127,7 +127,7 @@ if (BUILD_SHARED_LIBS)
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add_definitions("-DHB_EXTERN=__declspec(dllexport) extern")
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else ()
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set (CMAKE_CXX_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
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set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_CXX_FLAGS}")
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set (CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_C_FLAGS}")
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add_definitions("-DHB_EXTERN=__attribute__((visibility(\"default\"))) extern")
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endif ()
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endif ()
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@ -524,11 +524,19 @@ if (UNIX OR MINGW)
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link_libraries(-Bsymbolic-functions)
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# Make sure we don't link to libstdc++
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set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
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if (NOT APPLE)
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set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
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set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
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set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
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if (BUILD_SHARED_LIBS AND (
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CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
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CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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))
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set (CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
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endif ()
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set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
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set (CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "")
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set_target_properties(harfbuzz PROPERTIES LINKER_LANGUAGE C)
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# No threadsafe statics as we do it ourselves
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if (BUILD_SHARED_LIBS)
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set (CMAKE_CXX_FLAGS "-fno-threadsafe-statics ${CMAKE_CXX_FLAGS}")
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endif ()
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endif ()
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@ -782,22 +790,20 @@ endif ()
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## Tests
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if (UNIX OR MINGW)
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if (BUILD_SHARED_LIBS)
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# does some "make" stuff inside
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#add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
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#set_tests_properties(check-defs.sh PROPERTIES ENVIRONMENT "libs=.")
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string(REPLACE ";" " " space_separated_headers "${project_headers}")
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add_custom_command(TARGET harfbuzz POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E env "headers=${space_separated_headers}" python ${PROJECT_SOURCE_DIR}/src/gen-def.py ${PROJECT_BINARY_DIR}/harfbuzz.def
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src)
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add_test(NAME check-symbols.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-symbols.sh)
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set_tests_properties(check-symbols.sh PROPERTIES ENVIRONMENT "libs=.")
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if (NOT APPLE)
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add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
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add_test(NAME check-static-inits.sh
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COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/CMakeFiles/harfbuzz.dir/src # ugly hack
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)
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set_tests_properties(check-libstdc++.sh check-static-inits.sh
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PROPERTIES ENVIRONMENT "libs=.")
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endif ()
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add_test(NAME check-static-inits.sh
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COMMAND ${PROJECT_SOURCE_DIR}/src/check-static-inits.sh
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/harfbuzz.dir/src # ugly hack
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)
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add_test(NAME check-libstdc++.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-libstdc++.sh)
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add_test(NAME check-defs.sh COMMAND ${PROJECT_SOURCE_DIR}/src/check-defs.sh)
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set_tests_properties(check-symbols.sh check-static-inits.sh check-libstdc++.sh check-defs.sh
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PROPERTIES ENVIRONMENT "libs=.;srcdir=${PROJECT_SOURCE_DIR}/src")
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endif ()
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add_test(NAME check-c-linkage-decls.sh COMMAND ./check-c-linkage-decls.sh)
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@ -83,6 +83,9 @@ if test "x$GCC" = "xyes"; then
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# Make sure we don't link to libstdc++
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CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
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# No threadsafe statics and C++ as we do it ourselves
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CXXFLAGS="$CXXFLAGS -fno-threadsafe-statics"
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# Assorted warnings
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CXXFLAGS="$CXXFLAGS -Wcast-align"
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@ -223,21 +223,14 @@ CLEANFILES += $(pkgconfig_DATA)
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CLEANFILES += harfbuzz.def
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harfbuzz.def: $(HBHEADERS) $(HBNODISTHEADERS)
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$(AM_V_GEN) (echo EXPORTS; \
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(cat $^ || echo 'hb_ERROR ()' ) | \
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$(EGREP) '^hb_.* \(' | \
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sed -e 's/ (.*//' | \
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LC_ALL=C sort; \
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echo LIBRARY libharfbuzz-0.dll; \
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) >"$@"
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@ ! grep -q hb_ERROR "$@" \
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|| ($(RM) "$@"; false)
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$(AM_V_GEN) headers="$^" $(srcdir)/gen-def.py $@
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GENERATORS = \
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gen-arabic-table.py \
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gen-indic-table.py \
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gen-use-table.py \
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gen-def.py \
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$(NULL)
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EXTRA_DIST += $(GENERATORS)
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@ -5,7 +5,6 @@ export LC_ALL
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test -z "$srcdir" && srcdir=.
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test -z "$libs" && libs=.libs
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test -z "$MAKE" && MAKE=make
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stat=0
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if which nm 2>/dev/null >/dev/null; then
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@ -16,26 +15,36 @@ else
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fi
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defs="harfbuzz.def"
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$MAKE $defs > /dev/null
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if ! test -f "$defs"; then
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echo "check-defs.sh: '$defs' not found; skipping test"
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exit 77
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fi
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tested=false
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for def in $defs; do
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lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
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so=$libs/lib${lib}.so
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for suffix in so dylib; do
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so=$libs/lib${lib}.$suffix
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if ! test -f "$so"; then continue; fi
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EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
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EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| llvm_' | cut -d' ' -f3`"
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if test -f "$so"; then
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# On mac, C symbols are prefixed with _
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if test $suffix = dylib; then prefix="_"; fi
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echo "Checking that $so has the same symbol list as $def"
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{
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echo EXPORTS
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echo "$EXPORTED_SYMBOLS"
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# cheat: copy the last line from the def file!
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tail -n1 "$def"
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} | diff "$def" - >&2 || stat=1
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if test -f "$so"; then
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tested=true
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fi
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echo "Checking that $so has the same symbol list as $def"
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{
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echo EXPORTS
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echo "$EXPORTED_SYMBOLS" | sed -e "s/^${prefix}hb/hb/g"
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# cheat: copy the last line from the def file!
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tail -n1 "$def"
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} | diff "$def" - >&2 || stat=1
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tested=true
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fi
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done
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done
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if ! $tested; then
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echo "check-defs.sh: libharfbuzz shared library not found; skipping test"
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16
src/gen-def.py
Executable file
16
src/gen-def.py
Executable file
@ -0,0 +1,16 @@
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#!/usr/bin/env python
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from __future__ import print_function
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import io, os, re, sys
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headers_content = []
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for h in os.environ["headers"].split (' '):
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if h.endswith (".h"):
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with io.open(h, encoding='utf8') as f: headers_content.append (f.read ())
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result = ("EXPORTS\n" +
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"\n".join (sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))) +
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"\nLIBRARY libharfbuzz-0.dll")
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with open (sys.argv[1], "w") as f: f.write (result)
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