cmulocal/libssl.m4

   1 dnl libssl.m4--Ssl libraries and includes
   2 dnl Derrick Brashear
   3 dnl from KTH kafs and Arla
   4 dnl $Id: libssl.m4,v 1.10 2005/04/26 19:14:08 shadow Exp $
   5
   6 AC_DEFUN([CMU_LIBSSL_INC_WHERE1], [
   7 saved_CPPFLAGS=$CPPFLAGS
   8 CPPFLAGS="$saved_CPPFLAGS -I$1"
   9 CMU_CHECK_HEADER_NOCACHE(openssl/ssl.h,
  10 ac_cv_found_libssl_inc=yes,
  11 ac_cv_found_libssl_inc=no)
  12 CPPFLAGS=$saved_CPPFLAGS
  13 ])
  14
  15 AC_DEFUN([CMU_LIBSSL_INC_WHERE], [
  16    for i in $1; do
  17       AC_MSG_CHECKING(for libssl headers in $i)
  18       CMU_LIBSSL_INC_WHERE1($i)
  19       CMU_TEST_INCPATH($i, ssl)
  20       if test "$ac_cv_found_libssl_inc" = "yes"; then
  21         ac_cv_libssl_where_inc=$i
  22         AC_MSG_RESULT(found)
  23         break
  24       else
  25         AC_MSG_RESULT(not found)
  26       fi
  27     done
  28 ])
  29
  30 AC_DEFUN([CMU_LIBSSL_LIB_WHERE1], [
  31 saved_LIBS=$LIBS
  32 LIBS="$saved_LIBS -L$1 -lssl -lcrypto $LIB_SOCKET"
  33 AC_TRY_LINK(,
  34 [SSL_write();],
  35 [ac_cv_found_ssl_lib=yes],
  36 ac_cv_found_ssl_lib=no)
  37 LIBS=$saved_LIBS
  38 ])
  39
  40 AC_DEFUN([CMU_LIBSSL_LIB_WHERE], [
  41    for i in $1; do
  42       AC_MSG_CHECKING(for libssl libraries in $i)
  43       CMU_LIBSSL_LIB_WHERE1($i)
  44       dnl deal with false positives from implicit link paths
  45       CMU_TEST_LIBPATH($i, ssl)
  46       if test "$ac_cv_found_ssl_lib" = "yes" ; then
  47         ac_cv_libssl_where_lib=$i
  48         AC_MSG_RESULT(found)
  49         break
  50       else
  51         AC_MSG_RESULT(not found)
  52       fi
  53     done
  54 ])
  55
  56 AC_DEFUN([CMU_LIBSSL], [
  57 AC_REQUIRE([CMU_FIND_LIB_SUBDIR])
  58 AC_REQUIRE([CMU_SOCKETS])
  59 AC_ARG_WITH(libssl,
  60         [  --with-libssl=PREFIX      Compile with Libssl support],
  61         [if test "X$with_libssl" = "X"; then
  62                 with_libssl=yes
  63         fi])
  64 AC_ARG_WITH(libssl-lib,
  65         [  --with-libssl-lib=dir     use libssl libraries in dir],
  66         [if test "$withval" = "yes" -o "$withval" = "no"; then
  67                 AC_MSG_ERROR([No argument for --with-libssl-lib])
  68         fi])
  69 AC_ARG_WITH(libssl-include,
  70         [  --with-libssl-include=dir use libssl headers in dir],
  71         [if test "$withval" = "yes" -o "$withval" = "no"; then
  72                 AC_MSG_ERROR([No argument for --with-libssl-include])
  73         fi])
  74
  75         if test "X$with_libssl" != "X"; then
  76           if test "$with_libssl" != "yes" -a "$with_libssl" != no; then
  77             ac_cv_libssl_where_lib=$with_libssl/$CMU_LIB_SUBDIR
  78             ac_cv_libssl_where_inc=$with_libssl/include
  79           fi
  80         fi
  81
  82         if test "$with_libssl" != "no"; then
  83           if test "X$with_libssl_lib" != "X"; then
  84             ac_cv_libssl_where_lib=$with_libssl_lib
  85           fi
  86           if test "X$ac_cv_libssl_where_lib" = "X"; then
  87             CMU_LIBSSL_LIB_WHERE(/usr/local/$CMU_LIB_SUBDIR/openssl /usr/$CMU_LIB_SUBDIR/openssl /usr/local/$CMU_LIB_SUBDIR /usr/$CMU_LIB_SUBDIR)
  88           fi
  89
  90           if test "X$with_libssl_include" != "X"; then
  91             ac_cv_libssl_where_inc=$with_libssl_include
  92           fi
  93           if test "X$ac_cv_libssl_where_inc" = "X"; then
  94             CMU_LIBSSL_INC_WHERE(/usr/local/include /usr/include)
  95           fi
  96         fi
  97
  98         AC_MSG_CHECKING(whether to include libssl)
  99         if test "X$ac_cv_libssl_where_lib" = "X" -a "X$ac_cv_libssl_where_inc" = "X"; then
 100           ac_cv_found_libssl=no
 101           AC_MSG_RESULT(no)
 102         else
 103           ac_cv_found_libssl=yes
 104           AC_MSG_RESULT(yes)
 105           LIBSSL_INC_DIR=$ac_cv_libssl_where_inc
 106           LIBSSL_LIB_DIR=$ac_cv_libssl_where_lib
 107           LIBSSL_INC_FLAGS="-I${LIBSSL_INC_DIR}"
 108           LIBSSL_LIB_FLAGS="-L${LIBSSL_LIB_DIR} -lssl -lcrypto"
 109           if test "X$RPATH" = "X"; then
 110                 RPATH=""
 111           fi
 112           case "${host}" in
 113             *-*-linux*)
 114               if test "X$RPATH" = "X"; then
 115                 RPATH="-Wl,-rpath,${LIBSSL_LIB_DIR}"
 116               else
 117                 RPATH="${RPATH}:${LIBSSL_LIB_DIR}"
 118               fi
 119               ;;
 120             *-*-hpux*)
 121               if test "X$RPATH" = "X"; then
 122                 RPATH="-Wl,+b${LIBSSL_LIB_DIR}"
 123               else
 124                 RPATH="${RPATH}:${LIBSSL_LIB_DIR}"
 125               fi
 126               ;;
 127             *-*-irix*)
 128               if test "X$RPATH" = "X"; then
 129                 RPATH="-Wl,-rpath,${LIBSSL_LIB_DIR}"
 130               else
 131                 RPATH="${RPATH}:${LIBSSL_LIB_DIR}"
 132               fi
 133               ;;
 134             *-*-solaris2*)
 135               if test "$ac_cv_prog_gcc" = yes; then
 136                 if test "X$RPATH" = "X"; then
 137                   RPATH="-Wl,-R${LIBSSL_LIB_DIR}"
 138                 else
 139                   RPATH="${RPATH}:${LIBSSL_LIB_DIR}"
 140                 fi
 141               else
 142                 RPATH="${RPATH} -R${LIBSSL_LIB_DIR}"
 143               fi
 144               ;;
 145           esac
 146           AC_SUBST(RPATH)
 147         fi
 148         AC_SUBST(LIBSSL_INC_DIR)
 149         AC_SUBST(LIBSSL_LIB_DIR)
 150         AC_SUBST(LIBSSL_INC_FLAGS)
 151         AC_SUBST(LIBSSL_LIB_FLAGS)
 152         ])
 153