[libtpms.git] / m4 / ax_check_define.m4

# SYNOPSIS
#
#   AX_CHECK_DEFINE(includefile, define, [ACTION-SUCCESS], [ACTION-FAILURE])
#
# DESCRIPTION
#
#    Check whether the given #define is available in the given #include file
#
# LICENSE
#
#    See the root directory of the libtpms project for the LICENSE
#
AC_DEFUN([AX_CHECK_DEFINE],
 [AC_PREREQ(2.63)
  AC_MSG_CHECKING(whether $2 is defined in $1)
  AC_COMPILE_IFELSE(
   [AC_LANG_PROGRAM([[#include $1]],
                    [[#ifndef $2
                    #error $2 not defined
                    #endif]])],
   [
     AC_MSG_RESULT([yes])
     [$3]
   ],
   [
     AC_MSG_RESULT([no])
     [$4]
   ]
  )
 ]
)
Commit	Line	Data
763d7a89 SB	1	# SYNOPSIS
	2	#
	3	# AX_CHECK_DEFINE(includefile, define, [ACTION-SUCCESS], [ACTION-FAILURE])
	4	#
	5	# DESCRIPTION
	6	#
	7	# Check whether the given #define is available in the given #include file
	8	#
	9	# LICENSE
	10	#
	11	# See the root directory of the libtpms project for the LICENSE
	12	#
	13	AC_DEFUN([AX_CHECK_DEFINE],
a60df6fe	14	[AC_PREREQ(2.63)
763d7a89 SB	15	AC_MSG_CHECKING(whether $2 is defined in $1)
	16	AC_COMPILE_IFELSE(
	17	[AC_LANG_PROGRAM([[#include $1]],
	18	[[#ifndef $2
	19	#error $2 not defined
	20	#endif]])],
	21	[
	22	AC_MSG_RESULT([yes])
	23	[$3]
	24	],
	25	[
	26	AC_MSG_RESULT([no])
	27	[$4]
	28	]
	29	)
	30	]
	31	)