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| author | lhchavez <lhchavez@lhchavez.com> | 2018-01-04 15:36:22 +0000 |
|---|---|---|
| committer | Patrick Steinhardt <ps@pks.im> | 2018-08-03 09:48:15 +0200 |
| commit | 60e610a23628a51484a1abd3c2295600ef3d1b7c (patch) | |
| tree | 23c120d0f7844cb6c743691425e926e91d67c5ce /CMakeLists.txt | |
| parent | 0cf75467f1386d8b6674d12754ae25be1dbf90e1 (diff) | |
| download | libgit2-60e610a23628a51484a1abd3c2295600ef3d1b7c.tar.gz | |
fuzzers: add build support and instructions
This change adds support for building a fuzz target for exercising the
packfile parser, as well as documentation. It also runs the fuzzers in
Travis to avoid regressions.
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index fd846666f..27e2d63ea 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -43,6 +43,7 @@ OPTION( BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON ) OPTION( THREADSAFE "Build libgit2 as threadsafe" ON ) OPTION( BUILD_CLAR "Build Tests using the Clar suite" ON ) OPTION( BUILD_EXAMPLES "Build library usage example apps" OFF ) +OPTION( BUILD_FUZZERS "Build the fuzz targets" OFF) OPTION( TAGS "Generate tags" OFF ) OPTION( PROFILE "Generate profiling information" OFF ) OPTION( ENABLE_TRACE "Enables tracing support" OFF ) @@ -52,6 +53,9 @@ SET(SHA1_BACKEND "CollisionDetection" CACHE STRING "Backend to use for SHA1. One OPTION( USE_SSH "Link with libssh to enable SSH support" ON ) OPTION( USE_HTTPS "Enable HTTPS support. Can be set to a specific backend" ON ) OPTION( USE_GSSAPI "Link with libgssapi for SPNEGO auth" OFF ) +OPTION( USE_SANITIZER "Enable one of the Sanitizers (requires clang)" OFF ) +OPTION( USE_COVERAGE "Enable clang's coverage report (requires clang)" OFF ) +OPTION( USE_STANDALONE_FUZZERS "Enable standalone fuzzers (compatible with gcc)" OFF ) OPTION( VALGRIND "Configure build for valgrind" OFF ) OPTION( CURL "Use curl for HTTP if available" ON) OPTION( USE_EXT_HTTP_PARSER "Use system HTTP_Parser if available" ON) @@ -245,6 +249,23 @@ ELSE() # that uses CMAKE_CONFIGURATION_TYPES and not CMAKE_BUILD_TYPE ENDIF() +IF(NOT USE_SANITIZER STREQUAL "OFF") + SET(CMAKE_C_FLAGS "-fsanitize=${USE_SANITIZER} ${CMAKE_C_FLAGS}") + SET(CMAKE_C_FLAGS "-fno-omit-frame-pointer ${CMAKE_C_FLAGS}") + SET(CMAKE_C_FLAGS "-fno-optimize-sibling-calls ${CMAKE_C_FLAGS}") +ENDIF() + +IF(USE_COVERAGE) + SET(CMAKE_C_FLAGS "-fcoverage-mapping ${CMAKE_C_FLAGS}") + SET(CMAKE_C_FLAGS "-fprofile-instr-generate ${CMAKE_C_FLAGS}") +ENDIF() + +IF(BUILD_FUZZERS AND NOT USE_STANDALONE_FUZZERS) + # The actual sanitizer link target will be added when linking the fuzz + # targets. + SET(CMAKE_C_FLAGS "-fsanitize=fuzzer-no-link ${CMAKE_C_FLAGS}") +ENDIF () + ADD_SUBDIRECTORY(src) # Tests @@ -282,6 +303,18 @@ IF (BUILD_EXAMPLES) ADD_SUBDIRECTORY(examples) ENDIF () +IF(BUILD_FUZZERS) + IF(NOT USE_STANDALONE_FUZZERS) + IF(BUILD_EXAMPLES) + MESSAGE(FATAL_ERROR "Cannot build the fuzzer targets and the examples together") + ENDIF() + IF(BUILD_CLAR) + MESSAGE(FATAL_ERROR "Cannot build the fuzzer targets and the tests together") + ENDIF() + ENDIF() + ADD_SUBDIRECTORY(fuzz) +ENDIF() + IF(CMAKE_VERSION VERSION_GREATER 3) FEATURE_SUMMARY(WHAT ENABLED_FEATURES DESCRIPTION "Enabled features:") FEATURE_SUMMARY(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:") |