mkc_check_funclib1

Usage

Overview

mkc_check_funclib detects presense of function in a library by compiling and linking a test program. As a result it prints either 1 (true) or 0 (false) to stdout.

Options

-h

Display help message.

-d

Delete cache and temporary files.

-D

Delete cache files.

Environment

CC

Compiler. By default cc is used.

CPPFLAGS, CFLAGS

Options passed to the compiler, for example -I for additional directories that contain header files.

LDFLAGS

Options passed to the linker (compiler, set by CC variable), for example, -L/usr/local/lib

LDADD

Extra libraries, for example, -lm.

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_funclib dlopen dl
   mkc_check_funclib dlopen
   mkc_check_funclib strlcpy
   mkc_check_funclib select socket