1# $NetBSD: configure.ac,v 1.9 2007/10/14 20:26:47 apb Exp $ 2# 3# Autoconf definition file for make. 4# 5# When you edit configure.ac: 6# 0. Create the tools version of autoconf: 7# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools 8# (This might not work if you try it after editing configure.ac.) 9# 1. edit configure.ac 10# 2. Regenerate "configure" from "configure.ac": 11# cd ${SRCDIR}/tools/make && \ 12# ${TOOLDIR}/bin/nbmake-${MACHINE} -f Makefile.regen 13# (Please don't use a non-tools version of autoconf). 14# 3. Test that nbmake still builds 15# mv ${TOOLDIR}/nbmake ${TOOLDIR}/bin/nbmake.bak 16# cd ${SRCDIR} && build.sh makewrapper 17# 4. cvs commit files that you edited. 18# 5. Regen again, to pick up changed RCS IDs from the above commit: 19# cd ${SRCDIR}/tools/make && \ 20# ${TOOLDIR}/bin/nbmake-${MACHINE} -f Makefile.regen 21# 6. cvs commit files that were generated. 22# 23# 24 25AC_INIT([make], [noversion], [bin-bug-people@NetBSD.org]) 26AC_CONFIG_FILES(buildmake.sh) 27 28AC_PATH_PROG(BSHELL, sh) 29if test x"$BSHELL" = x; then 30 AC_MSG_ERROR([sh must be somewhere on \$PATH, or BSHELL must be defined]) 31fi 32AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "${BSHELL}") 33 34# Make sure we have POSIX regex ability. 35AC_CHECK_HEADER(regex.h,, AC_MSG_ERROR([POSIX regex.h is required])) 36 37# If we don't have <poll.h>, we need to use select(2). 38AC_CHECK_HEADER(poll.h,, AC_DEFINE(USE_SELECT)) 39 40# regcomp() and regexec() are also names of functions in the old V8 41# regexp package. To avoid them, we need to find out who has regfree(). 42 43dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 44dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 45AC_CHECK_LIB(regex, regfree) 46AC_SEARCH_LIBS(regfree, rx posix) 47 48AC_CHECK_FUNCS(setenv strdup strerror strftime vsnprintf) 49 50AC_OUTPUT 51