tcl/cygwin/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 AC_PREREQ(2.13)
   4
   5 AC_INIT(Makefile.in)
   6 AC_CANONICAL_SYSTEM
   7 AM_INIT_AUTOMAKE(libtcl_cygwin, 8.4)
   8 AM_MAINTAINER_MODE
   9 AC_EXEEXT
  10
  11 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
  12 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
  13 # are probably using a cross compiler, which will not be able to fully
  14 # link an executable.  This should really be fixed in autoconf
  15 # itself.
  16
  17 AC_DEFUN(LIB_AC_PROG_CC,
  18 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
  19 AC_CHECK_PROG(CC, gcc, gcc)
  20 if test -z "$CC"; then
  21   AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
  22   test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
  23 fi
  24
  25 if test $ac_cv_prog_gcc = yes; then
  26   GCC=yes
  27 dnl Check whether -g works, even if CFLAGS is set, in case the package
  28 dnl plays around with CFLAGS (such as to build both debugging and
  29 dnl normal versions of a library), tasteless as that idea is.
  30   ac_test_CFLAGS="${CFLAGS+set}"
  31   ac_save_CFLAGS="$CFLAGS"
  32   CFLAGS=
  33   if test "$ac_test_CFLAGS" = set; then
  34     CFLAGS="$ac_save_CFLAGS"
  35   elif test $ac_cv_prog_cc_g = yes; then
  36     CFLAGS="-g -O2"
  37   else
  38     CFLAGS="-O2"
  39   fi
  40 else
  41   GCC=
  42   test "${CFLAGS+set}" = set || CFLAGS="-g"
  43 fi
  44 ])
  45
  46 LIB_AC_PROG_CC
  47
  48 case "${host}" in
  49 *-*-cygwin*)
  50         touch ac$$.c
  51         if ${CC} -c -mno-win32 ac$$.c >/dev/null 2>&1; then
  52             case "$EXTRA_CFLAGS" in
  53                 *-mno-win32*) ;;
  54                 *) EXTRA_CFLAGS="-mno-win32 $EXTRA_CFLAGS" ;;
  55             esac
  56         fi
  57         rm -f ac$$.o ac$$.c
  58         ;;
  59 esac
  60
  61 AC_CHECK_TOOL(AR, ar, ar)
  62 AC_SUBST(AR)
  63 AC_SUBST(EXTRA_CFLAGS)
  64 AC_PROG_RANLIB
  65 AC_PROG_INSTALL
  66
  67 #--------------------------------------------------------------------
  68 #       The statements below define the symbol TCL_PACKAGE_PATH, which
  69 #       gives a list of directories that may contain packages.  The list
  70 #       consists of one directory for machine-dependent binaries and
  71 #       another for platform-independent scripts.
  72 #--------------------------------------------------------------------
  73
  74 if test "$prefix" != "$exec_prefix"; then
  75     TCL_PACKAGE_PATH="${exec_prefix}/lib ${prefix}/lib"
  76 else
  77     TCL_PACKAGE_PATH="${prefix}/lib"
  78 fi
  79
  80 TCL_LIBRARY=@datadir@/tcl${VERSION}
  81
  82 cross_cache=${srcdir}/cygwin-cache
  83 . ${cross_cache}
  84
  85 AC_SUBST(TCL_PACKAGE_PATH)
  86 AC_SUBST(TCL_LIBRARY)
  87
  88 # These variables are needed to get expect working with
  89 # the tclConfig.sh script in the cygwin directory.
  90 LD_FLAGS=""
  91 AC_SUBST(LD_FLAGS)
  92 TCL_LD_SEARCH_FLAGS=""
  93 AC_SUBST(TCL_LD_SEARCH_FLAGS)
  94 DL_LIBS=""
  95 AC_SUBST(DL_LIBS)
  96 MATH_LIBS=""
  97 AC_SUBST(MATH_LIBS)
  98 SHLIB_LD='${CC} -shared ${CFLAGS}'
  99 AC_SUBST(SHLIB_LD)
 100 TCL_BUILD_LIB_SPEC=`pwd`/libtcl_cygwin.a
 101 AC_SUBST(TCL_BUILD_LIB_SPEC)
 102 TCL_LIB_SPEC="$TCL_BUILD_LIB_SPEC"
 103 AC_SUBST(TCL_LIB_SPEC)
 104
 105
 106 AC_OUTPUT([Makefile tclConfig.sh])