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# -*- Autoconf -*-
# Check for some headers and print an error if not found
AC_DEFUN([LFP_REQUIRE_HEADERS],
[AC_CHECK_HEADERS($1,,AC_MSG_FAILURE([Cannot find header(s) $1]))])
# Check for a function and print an error if not found
AC_DEFUN([LFP_REQUIRE_FUNCS],
[AC_CHECK_FUNCS($1,,AC_MSG_FAILURE([Cannot find function(s) $1]))])
# Check for a type and print an error if not found
AC_DEFUN([LFP_REQUIRE_TYPE],
[AC_CHECK_TYPE($1,,AC_MSG_FAILURE([Cannot find type $1 in $2]),
[[#include <$2>]])])
# Check for a declaration and print an error if not found
AC_DEFUN([LFP_REQUIRE_DECLS],
[AC_CHECK_DECLS($1,,AC_MSG_FAILURE([Cannot find $1 in $2]),
[[#include <$2>]])])
# Check for a declaration and print an error if not found
# Syntax: LFP_GETCONF(VARIABLE, SYSTEM_VAR, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([LFP_GETCONF], [
$1=`(getconf $2) 2>/dev/null`
AC_SUBST($1)
if test $? -eq 0 ; then
: ; $3
else
: ; $4
fi
])
# Check for a declaration and print an error if not found or is undefined
# Syntax: LFP_GETCONF(VARIABLE, SYSTEM_VAR, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([LFP_GETCONF_UNDEF], [
$1=`(getconf $2) 2>/dev/null`
AC_SUBST($1)
if test $? -eq 0 && test x"$$1" != xundefined ; then
: ; $3
else
: ; $4
fi
])
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