Merge pull request #232 from asl/cmake-err-warn-default

Add cmake option to specify whether warnings / errors are enabled by default

CMakeLists.txt

@@ -15,6 +15,7 @@ option(MI_LOCAL_DYNAMIC_TLS "Use slightly slower, dlopen-compatible TLS mechanis
 option(MI_BUILD_TESTS       "Build test executables" ON)
 option(MI_CHECK_FULL        "Use full internal invariant checking in DEBUG mode (deprecated, use MI_DEBUG_FULL instead)" OFF)
 option(MI_PADDING           "Enable padding to detect heap block overflow (only in debug mode)" ON)
+option(MI_SHOW_ERRORS       "Show error and warning messages by default" OFF)
 
 include("cmake/mimalloc-config-version.cmake")
 
@@ -106,6 +107,13 @@ if(MI_PADDING MATCHES "OFF")
   list(APPEND mi_defines MI_PADDING=0)
 endif()
 
+if(MI_SHOW_ERRORS MATCHES "ON")
+  message(STATUS "Enable printing of error and warning messages by default (MI_SHOW_ERRORS=ON)")
+  list(APPEND mi_defines MI_SHOW_ERRORS=1)
+else()
+  list(APPEND mi_defines MI_SHOW_ERRORS=0)
+endif()
+
 if(MI_USE_CXX MATCHES "ON")
   message(STATUS "Use the C++ compiler to compile (MI_USE_CXX=ON)")
   set_source_files_properties(${mi_sources} PROPERTIES LANGUAGE CXX )

include/mimalloc-types.h

@@ -61,7 +61,6 @@ terms of the MIT license. A copy of the license can be found in the file
 #define MI_ENCODE_FREELIST  1
 #endif
 
-
 // ------------------------------------------------------
 // Platform specific values
 // ------------------------------------------------------

src/options.c

@@ -51,7 +51,7 @@ typedef struct mi_option_desc_s {
 static mi_option_desc_t options[_mi_option_last] =
 {
   // stable options
-  { MI_DEBUG, UNINIT, MI_OPTION(show_errors) },
+  { MI_DEBUG | MI_SHOW_ERRORS, UNINIT, MI_OPTION(show_errors) },
   { 0, UNINIT, MI_OPTION(show_stats) },
   { 0, UNINIT, MI_OPTION(verbose) },