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dnl Arguments:
dnl $1 -- Library to look for
dnl $2 -- Function to check in the library
dnl $3 -- Any additional libraries that might be needed
dnl $4 -- Action to be taken when test succeeds
dnl $5 -- Action to be taken when test fails
dnl $6 -- Directories where the library may reside
AC_DEFUN([MU_CHECK_LIB],
[m4_ifval([$4], , [AH_CHECK_LIB([$1])])dnl
AS_VAR_PUSHDEF([mu_Lib], [mu_cv_lib_$1])dnl
AC_CACHE_CHECK([for $2 in -l$1], [mu_Lib],
[AS_VAR_SET([mu_Lib], [no])
mu_check_lib_save_LIBS=$LIBS
for path in "" $6
do
if test -n "$path"; then
mu_ldflags="-L$path -l$1 $3"
else
mu_ldflags="-l$1 $3"
fi
LIBS="$mu_ldflags $mu_check_lib_save_LIBS"
AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
[AS_VAR_SET([mu_Lib], ["$mu_ldflags"])
break])
done
LIBS=$mu_check_lib_save_LIBS])
AS_IF([test "AS_VAR_GET([mu_Lib])" != no],
[m4_default([$4], [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
LIBS="-l$1 $LIBS"
])],
[$5])dnl
AS_VAR_POPDEF([mu_Lib])dnl
])# MU_CHECK_LIB
|
