diff options
| -rw-r--r-- | config/cc/gcc.in.2 | 14 | ||||
| -rw-r--r-- | scripts/build/cc/gcc.sh | 6 |
2 files changed, 20 insertions, 0 deletions
diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2 index 33cbbc54..d6827697 100644 --- a/config/cc/gcc.in.2 +++ b/config/cc/gcc.in.2 @@ -51,3 +51,17 @@ config CC_GCC_SJLJ_EXCEPTIONS It can happen that ./configure is wrong in some cases. Known case is for ARM big endian, where you should say 'N'. + +config CC_GCC_LIBMUDFLAP + bool + prompt "Compile libmudflap" + default n + help + libmudflap is a pointer-use checking tool, which can detect + various mis-usages of pointers in C and (to some extents) C++. + + You should say 'N' here, as libmduflap generates instrumented + code (thus it is a bit bigger and a bit slower) and requires + re-compilation and re-link, while it exists better run-time + alternatives (eg. DUMA, dmalloc...) that need neither re- + compilation nor re-link. diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh index af21e962..f11517c7 100644 --- a/scripts/build/cc/gcc.sh +++ b/scripts/build/cc/gcc.sh @@ -195,6 +195,7 @@ do_cc_core() { --prefix="${core_prefix_dir}" \ --with-local-prefix="${CT_SYSROOT_DIR}" \ --disable-multilib \ + --disable-libmudflap \ ${CC_CORE_SYSROOT_ARG} \ "${extra_config[@]}" \ --disable-nls \ @@ -340,6 +341,11 @@ do_cc() { if [ -n "${CC_ENABLE_CXX_FLAGS}" ]; then extra_config+=("--enable-cxx-flags=${CC_ENABLE_CXX_FLAGS}") fi + if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then + extra_config+=(--enable-libmudflap) + else + extra_config+=(--disable-libmudflap) + fi # When companion libraries are build static (eg !shared), # the libstdc++ is not pulled automatically, although it |