mkc_check_sizeof1

Usage

Overview

mkc_check_sizeof detects sizeof( type ) by compiling a test program. Compiled program is not executed, therefore this check is ready for cross-compiling. headers is either a single header file or a list of headers, separated by comma.

Options

-h

display help message

Environment

CC

Compiler. By default cc is used.

CPPFLAGS, CFLAGS

Options passed to the compiler.

MKC_VERBOSE

If set to 1, verbose messages are output to stderr.

MKC_SHOW_CACHED

If set to 1 and MKC_VERBOSE is set to 1, cached results are output to stderr.

MKC_CACHEDIR

Directory where temporary and cache files are created. If unset they are created in a current directory.

MKC_NOCACHE

All results are cached unless MKC_NOCACHE variable is set to 1.

MKC_DELETE_TMPFILES

If set to 1, temporary files are removed.

Examples

   mkc_check_sizeof 'void*'
   mkc_check_sizeof long-long
   mkc_check_sizeof size_t stdlib.h