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hitch.m4
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hitch.m4
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# HITCH_SEARCH_LIBS(VAR, LIBS, FUNC, NOTFOUND)
# --------------------------------------------
AC_DEFUN([HITCH_SEARCH_LIBS], [
hitch_save_LIBS=$LIBS
LIBS=""
AC_SEARCH_LIBS([$3], [$2], [], [$4])
AC_SUBST([$1_LIBS], [$LIBS])
LIBS=$hitch_save_LIBS
])
# HITCH_CHECK_FUNC(FUNC, LIBS, FOUND, NOTFOUND)
# --------------------------------------------
AC_DEFUN([HITCH_CHECK_FUNC], [
hitch_save_LIBS=$LIBS
LIBS="$2"
AC_CHECK_FUNC([$1], [$3], [$4])
LIBS=$hitch_save_LIBS
])
# _HITCH_CHECK_FLAG(VAR, FLAG)
------------------------------
AC_DEFUN([_HITCH_CHECK_FLAG], [
AC_MSG_CHECKING([whether the compiler accepts $2])
hitch_save_CFLAGS=$CFLAGS
CFLAGS="[$]$1 $2 $CFLAGS"
AC_LINK_IFELSE(
[AC_LANG_SOURCE([int main(void) { return (0); }])],
[AC_MSG_RESULT([yes]); $1="[$]$1 $2"],
[AC_MSG_RESULT([no])])
CFLAGS=$hitch_save_CFLAGS
])
# HITCH_CHECK_FLAGS(VAR, FLAGS)
-------------------------------
AC_DEFUN([HITCH_CHECK_FLAGS], [
m4_foreach([_flag],
m4_split(m4_normalize([$2])),
[_HITCH_CHECK_FLAG([$1], _flag)])
])