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dnl |
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dnl openssl.m4 -- Find the path to the openssl library. |
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dnl |
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AC_DEFUN([AM_PATH_OPENSSL], |
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[OPENSSL_CFLAGS="" |
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OPENSSL_LDFLAGS="" |
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OPENSSL_LIBS="" |
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|
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AC_ARG_WITH([openssl-prefix], [ --with-openssl-prefix=PFX |
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Prefix where openssl is installed (optional)], |
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openssl_prefix="$withval", openssl_prefix="") |
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if test x"$openssl_prefix" = xyes ; then |
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openssl_prefix=""; |
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fi |
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|
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AC_MSG_CHECKING([for openssl location]) |
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if test x"$openssl_prefix" = x ; then |
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openssl_header_found="no" |
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for dir in /usr/local /usr ; do |
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if test -f "$dir/include/openssl/ssl.h" ; then |
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openssl_header_found="yes" |
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OPENSSL_CFLAGS="-I$dir/include" |
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OPENSSL_LDFLAGS="-L$dir/lib" |
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break |
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fi |
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done |
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if test x"$openssl_header_found" = "no" ; then |
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AC_MSG_RESULT([no]) |
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AC_MSG_ERROR([openssl header file 'openssl/ssl.h' not found.]) |
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fi |
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AC_MSG_RESULT([$dir]) |
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else |
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OPENSSL_CFLAGS="-I$openssl_prefix/include" |
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OPENSSL_LDFLAGS="-L$openssl_prefix/lib" |
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AC_MSG_RESULT([$openssl_prefix]) |
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fi |
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|
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openssl_save_LDFLAGS=$LDFLAGS |
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LDFLAGS="$OPENSSL_LDFLAGS $LDFLAGS" |
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openssl_save_CFLAGS=$CFLAGS |
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CFLAGS="$OPENSSL_CFLAGS $CFLAGS" |
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AC_CHECK_LIB([rsaref], [RSAPublicEncrypt], |
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[AC_CHECK_LIB([RSAglue], [RSAPublicEncrypt], |
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[OPENSSL_LIBS="-lRSAglue -lrsaref"],,[-lrsaref])]) |
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AC_CHECK_LIB([crypto], [BIO_new], |
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[AC_CHECK_LIB([dl], [DSO_load], |
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[OPENSSL_LIBS="-lcrypto -ldl $OPENSSL_LIBS"], |
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[OPENSSL_LIBS="-lcrypto $OPENSSL_LIBS"], [-lcrypto $OPENSSL_LIBS])], |
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[AC_MSG_ERROR(cannot link with OpenSSL)], [$OPENSSL_LIBS]) |
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AC_CHECK_LIB([ssl], [SSL_library_init], |
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[OPENSSL_LIBS="-lssl $OPENSSL_LIBS"], |
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[AC_MSG_ERROR(cannot link with OpenSSL)], [$OPENSSL_LIBS]) |
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LDFLAGS=$openssl_save_LDFLAGS |
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CFLAGS=$openssl_save_CFLAGS |
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if test x"$OPENSSL_LIBS" = x ; then |
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AC_MSG_ERROR([openssl required but not found]) |
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else |
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OPENSSL_LIBS="$OPENSSL_LDFLAGS $OPENSSL_LIBS" |
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fi |
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|
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AC_SUBST([OPENSSL_CFLAGS]) |
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AC_SUBST([OPENSSL_LIBS])]) |
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] |
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