configure.in

来自「一个Megaco实现源代码」· IN 代码 · 共 85 行

define([AC_CACHE_LOAD], )dnl
define([AC_CACHE_SAVE], )dnl

AC_INIT(vsn.mk)

if test -z "$ERL_TOP" || test ! -d $ERL_TOP ; then
  AC_CONFIG_AUX_DIRS(autoconf)
else
  erl_top=${ERL_TOP}
  AC_CONFIG_AUX_DIRS($erl_top/erts/autoconf)
fi

AC_CANONICAL_HOST


dnl ----------------------------------------------------------------------
dnl Checks for programs.
dnl ----------------------------------------------------------------------


dnl
dnl Check for library tools
dnl

AC_CHECK_PROG(AR, ar, ar)

AC_PROG_RANLIB

dnl
dnl C compiler (related) defs
dnl

AC_PROG_CC

dnl Magic test for clearcase.
if test -d ../../system; then
	OTP_EXTRA_FLAGS=-DOTP_RELEASE
else
	OTP_EXTRA_FLAGS=
fi


dnl
dnl Flags to the C compiler
dnl
dnl CFLAGS seems to have the value of '-g -O2' by default...
dnl 
dnl CFLAGS="$CFLAGS $OTP_EXTRA_FLAGS"
CFLAGS="-O2 $OTP_EXTRA_FLAGS"

case $host_os in
  darwin*)
	CFLAGS="$CFLAGS -no-cpp-precomp"
	;;
esac

DED_CFLAGS="$CFLAGS"

AC_SUBST(DED_CFLAGS)


AC_CHECK_PROG(DED_LD, ld, ld, no_ld)
if test "$PERL" = no_perl; then
  AC_MSG_ERROR([ld is required to build the flex scanner!])
fi

AC_CHECK_LIB(nsl,    gethostbyaddr,     LIBS="$LIBS -lnsl")
AC_CHECK_LIB(socket, accept,            LIBS="$LIBS -lsocket")
AC_CHECK_LIB(resolv, res_gethostbyaddr, LIBS="$LIBS -lresolv")

AC_DEFINE(THREAD_LIBS)
AC_CHECK_LIB(pthread, pthread_create, THREAD_LIBS="$THREAD_LIBS -lpthread")
AC_SUBST(THREAD_LIBS)

dnl This is the os flavour, should be unix, vxworks or win32
ERLANG_OSTYPE=unix         AC_SUBST(ERLANG_OSTYPE)

AC_OUTPUT(
	src/$host/Makefile:src/Makefile.in
	examples/simple_MG/$host/Makefile:examples/simple_MG/Makefile.in
	examples/simple_MGC/$host/Makefile:examples/simple_MGC/Makefile.in
	)