| #!/bin/sh |
| |
| # This script is invoked by Android build system "WITH_SYNTAX_CHECK=1 m/mm/mmm ..." and |
| # accepts command line in the following format: |
| # |
| # ccc-analyzer ARCH LOCAL_CXX ... |
| # |
| # Under WITH_SYNTAX_CHECK=1, m/mm/mmm/mma/mmma wrap "make" with "tools/scan-build/scan-build" |
| # which utillizes "clang++ --analyze" for static code analyses. Script scan-build interposes |
| # on compiler with CC/CXX ignored by the Android build system unfortunately. Instead, |
| # Android build system recognizes WITH_SYNTAX_CHECK and replace LOCAL_CXX with our own cxx-syntax, |
| # which in turn setup the following env. vars expected by tools/scan-build/c++-analyzer |
| # |
| # CCC_CXX: The origianl LOCAL_CXX which does the real compilation and code-gen |
| # CLANG_CXX: The clang++ compiler which run code analyses |
| # |
| # Our own cxx-syntax also export the following, and tools/scan-build/ccc-analyzer is slightly |
| # modified to prefix/append them in options passed to clang++ for successful compilation |
| # |
| # CLANG_FLAGS: Flags to set correct target, be compatible with gcc, etc |
| # CLANG_FLAGS_END: Flags to override "$@" |
| # |
| |
| ARCH="$1" |
| LOCAL_CXX="$2" |
| shift ; shift |
| |
| # Turn off warning about unused options |
| CLANG_FLAGS="-Qunused-arguments" |
| |
| # Turn off unknown warning options |
| CLANG_FLAGS="$CLANG_FLAGS -Wno-unknown-warning-option" |
| |
| # Define WITH_SYNTAX_CHECK for code wish to behave differently when check |
| CLANG_FLAGS="$CLANG_FLAGS -DWITH_SYNTAX_CHECK" |
| |
| # Ignore C standard like -std=gnu99 in LOCAL_CFLAGS but get |
| # passed for C++ compilation by build system |
| CLANG_FLAGS="$CLANG_FLAGS -Qignore-c-std-not-allowed-with-cplusplus" |
| |
| # Turn off warnings which aren't useful in this context |
| CLANG_FLAGS="$CLANG_FLAGS -Wno-ignored-attributes -Wno-pedantic -Wno-builtin-requires-header -Wno-gnu -Wno-gnu-designator -Wno-knr-promoted-parameter" |
| |
| if [ "$ARCH" != "host" ]; then |
| # Add target to get proper pre-defined preprocessor symbols/macros. |
| case $ARCH in |
| arm) CLANG_FLAGS="$CLANG_FLAGS -target armv5te-none-linux-androideabi" |
| ;; |
| mips) CLANG_FLAGS="$CLANG_FLAGS -target mipsel-none-linux-android" |
| ;; |
| x86) CLANG_FLAGS="$CLANG_FLAGS -target i686-none-linux-android" |
| ;; |
| esac |
| if [ "$LOCAL_CXX" != "${LOCAL_CXX%clang++*}" ]; then |
| # Don't look for its own lib/clang/x.y/include when LOCAL_CXX is clang |
| # which is rebuilt from source w/o installing its include as well |
| CLANG_FLAGS="$CLANG_FLAGS -nostdinc" |
| fi |
| else |
| # Note that unlike target flags where Android build system explicitly specify |
| # everything in command line, host tools have their own sysroot and --sysroot |
| # isn't explicitly added in the commmand line. Likelywise for other gcc implicit |
| # search directories. |
| # |
| # We can query search paths by doing "g++ -v" and parsing the output with |
| # sed -n '1,/BEGIN/!{ /END/,/BEING/!p; }' (*1), but forking gcc here adds overhead. |
| # Because host tool refresh only once 1-2 year, here we hard-code the path obtained by (*2). |
| # ToDo: The build system can do it once for each module, although it still needs to |
| # prepare both -m32 and -m64 versions, anding 2 more args in additional to $ARCH |
| # and $LOCAL_CXX |
| # |
| # (*1) as described in http://sed.sourceforge.net/sedfaq4.html#s4.24 |
| # (*2) prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1/bin/i686-apple-darwin10-g++ -m64 -v -E - < /dev/null 2>&1 | \ |
| # sed -n '1,/> search starts here/!{ /End of search list/,/> search starts here/!p; }' |\ |
| # sed -e 's/^/-I/' |
| # Likewise for -m32 |
| # |
| CLANG_FLAGS_END="\ |
| -I prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1/lib/gcc/i686-apple-darwin10/4.2.1/include" |
| fi |
| |
| # Turn off warnings (at the end) on features we exploit |
| CLANG_FLAGS_END="$CLANG_FLAGS_END -Wno-return-type-c-linkage" |
| |
| # Call the real c++-analyzer. Note that tools/scan-build/c++-analyzer "exec" $CCC_CXX, |
| # which is LOCAL_CXX w/o optional ccache (in "ccache g++" format) |
| export CCC_CXX="${LOCAL_CXX##* }" |
| export CLANG_CXX="`dirname $0`/analyzer++" |
| export CLANG_FLAGS |
| export CLANG_FLAGS_END |
| `dirname $0`/../tools/scan-build/c++-analyzer "$@" |