diff options
Diffstat (limited to 'xorg-macros.m4.in')
| -rw-r--r-- | xorg-macros.m4.in | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index 9da74ef..5b56d96 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -1045,6 +1045,7 @@ AC_MSG_RESULT([$build_specs]) AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[ AC_BEFORE([$0], [XORG_WITH_GLIB]) AC_BEFORE([$0], [XORG_LD_WRAP]) +AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) m4_define([_defopt], m4_default([$1], [auto])) AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests], [Enable building unit test cases (default: ]_defopt[)]), @@ -1220,6 +1221,52 @@ else fi ]) # XORG_CHECK_LINKER_FLAGS +# XORG_MEMORY_CHECK_FLAGS +# ----------------------- +# Minimum version: 1.16.0 +# +# This macro attempts to find appropriate memory checking functionality +# for various platforms which unit testing code may use to catch various +# forms of memory allocation and access errors in testing. +# +# Interface to module: +# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging +# Usually added to TESTS_ENVIRONMENT in Makefile.am +# +# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim. +# +AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[ + +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV], + [Environment variables to enable memory checking in tests]) + +# Check for different types of support on different platforms +case $host_os in + solaris*) + AC_CHECK_LIB([umem], [umem_alloc], + [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default']) + ;; + *-gnu*) # GNU libc - Value is used as a single byte bit pattern, + # both directly and inverted, so should not be 0 or 255. + malloc_debug_env='MALLOC_PERTURB_=15' + ;; + darwin*) + malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib' + ;; + *bsd*) + malloc_debug_env='MallocPreScribble=1 MallocScribble=1' + ;; +esac + +# User supplied flags override default flags +if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then + malloc_debug_env="$XORG_MALLOC_DEBUG_ENV" +fi + +AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env]) +]) # XORG_WITH_LINT + # XORG_CHECK_MALLOC_ZERO # ---------------------- # Minimum version: 1.0.0 |