CheckTypeSize: Support for CXX when C language is not enabled

This example now works without need to enable C language:

  cmake_minimum_required(VERSION x.x.x)
  project(foo CXX)
  include(CheckTypeSize)
  check_type_size("short" SIZEOF_SHORT LANGUAGE CXX)

Fixes #14056
This commit is contained in:
Daniele E. Domenichelli 2014-03-15 22:56:47 +01:00
parent 3c6943eb9d
commit 7d6d45f23c
1 changed files with 10 additions and 3 deletions

View File

@ -75,6 +75,7 @@
# License text for the above reference.)
include(CheckIncludeFile)
include(CheckIncludeFileCXX)
cmake_policy(PUSH)
cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
@ -218,9 +219,15 @@ macro(CHECK_TYPE_SIZE TYPE VARIABLE)
set(_builtin 0)
else()
set(_builtin 1)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
if("${_language}" STREQUAL "C")
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
elseif("${_language}" STREQUAL "CXX")
check_include_file_cxx(sys/types.h HAVE_SYS_TYPES_H)
check_include_file_cxx(stdint.h HAVE_STDINT_H)
check_include_file_cxx(stddef.h HAVE_STDDEF_H)
endif()
endif()
unset(_CHECK_TYPE_SIZE_BUILTIN_TYPES_ONLY)
unset(_CHECK_TYPE_SIZE_LANGUAGE)