diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 256 |
1 files changed, 165 insertions, 91 deletions
diff --git a/configure.ac b/configure.ac index c8aed19..ab65308 100644 --- a/configure.ac +++ b/configure.ac @@ -3,6 +3,7 @@ AC_INIT(LibVNCServer, 0.9.8, http://sourceforge.net/projects/libvncserver) AM_INIT_AUTOMAKE(LibVNCServer, 0.9.8) AM_CONFIG_HEADER(rfbconfig.h) AX_PREFIX_CONFIG_H([rfb/rfbconfig.h]) +AM_SILENT_RULES([yes]) # Checks for programs. AC_PROG_CC @@ -25,6 +26,14 @@ AC_ARG_WITH(tightvnc-filetransfer, , [ with_tightvnc_filetransfer=yes ]) # AC_DEFINE moved to after libpthread check. +# WebSockets support +AC_CHECK_LIB(resolv, __b64_ntop, HAVE_B64="true", HAVE_B64="false") +AH_TEMPLATE(WITH_WEBSOCKETS, [Disable WebSockets support]) +AC_ARG_WITH(websockets, + [ --without-websockets disable WebSockets support], + , [ with_websockets=yes ]) +# AC_DEFINE moved to after libresolve check. + AH_TEMPLATE(ALLOW24BPP, [Enable 24 bit per pixel in native framebuffer]) AC_ARG_WITH(24bpp, [ --without-24bpp disable 24 bpp framebuffers], @@ -46,6 +55,82 @@ AM_CONDITIONAL(HAVE_MP3LAME, test "$HAVE_MP3LAME" = "true") # before it seemed to be inside the with_jpeg conditional. AC_CHECK_HEADER(thenonexistentheader.h, HAVE_THENONEXISTENTHEADER_H="true") +# set some ld -R nonsense +# +uname_s=`(uname -s) 2>/dev/null` +ld_minus_R="yes" +if test "x$uname_s" = "xHP-UX"; then + ld_minus_R="no" +elif test "x$uname_s" = "xOSF1"; then + ld_minus_R="no" +elif test "x$uname_s" = "xDarwin"; then + ld_minus_R="no" +fi + +# Check for OpenSSL +AH_TEMPLATE(HAVE_LIBCRYPT, [libcrypt library present]) +AC_ARG_WITH(crypt, +[ --without-crypt disable support for libcrypt],,) +if test "x$with_crypt" != "xno"; then + AC_CHECK_FUNCS([crypt], HAVE_LIBC_CRYPT="true") + if test -z "$HAVE_LIBC_CRYPT"; then + AC_CHECK_LIB(crypt, crypt, + CRYPT_LIBS="-lcrypt" + [AC_DEFINE(HAVE_LIBCRYPT)], ,) + fi +fi +AC_SUBST(CRYPT_LIBS) + +# some OS's need both -lssl and -lcrypto on link line: +AH_TEMPLATE(HAVE_LIBCRYPTO, [openssl libcrypto library present]) +AC_ARG_WITH(crypto, +[ --without-crypto disable support for openssl libcrypto],,) + +AH_TEMPLATE(HAVE_LIBSSL, [openssl libssl library present]) +AC_ARG_WITH(ssl, +[ --without-ssl disable support for openssl libssl] +[ --with-ssl=DIR use openssl include/library files in DIR],,) + +if test "x$with_crypto" != "xno" -a "x$with_ssl" != "xno"; then + if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then + saved_CPPFLAGS="$CPPFLAGS" + saved_LDFLAGS="$LDFLAGS" + CPPFLAGS="$CPPFLAGS -I$with_ssl/include" + LDFLAGS="$LDFLAGS -L$with_ssl/lib" + if test "x$ld_minus_R" = "xno"; then + : + elif test "x$GCC" = "xyes"; then + LDFLAGS="$LDFLAGS -Xlinker -R$with_ssl/lib" + else + LDFLAGS="$LDFLAGS -R$with_ssl/lib" + fi + fi + AC_CHECK_LIB(crypto, RAND_file_name, + [AC_DEFINE(HAVE_LIBCRYPTO) HAVE_LIBCRYPTO="true"], ,) + if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then + if test "x$HAVE_LIBCRYPTO" != "xtrue"; then + CPPFLAGS="$saved_CPPFLAGS" + LDFLAGS="$saved_LDFLAGS" + fi + fi +fi + +AH_TEMPLATE(HAVE_X509_PRINT_EX_FP, [open ssl X509_print_ex_fp available]) +if test "x$with_ssl" != "xno"; then + if test "x$HAVE_LIBCRYPTO" = "xtrue"; then + AC_CHECK_LIB(ssl, SSL_library_init, + SSL_LIBS="-lssl -lcrypto" + [AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], , + -lcrypto) + else + AC_CHECK_LIB(ssl, SSL_library_init, + SSL_LIBS="-lssl" + [AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,) + fi +fi +AC_SUBST(SSL_LIBS) +AM_CONDITIONAL(HAVE_LIBSSL, test ! -z "$SSL_LIBS") + # Checks for X libraries HAVE_X11="false" AC_PATH_XTRA @@ -288,97 +373,6 @@ configure again. sleep 5 fi -# set some ld -R nonsense -# -uname_s=`(uname -s) 2>/dev/null` -ld_minus_R="yes" -if test "x$uname_s" = "xHP-UX"; then - ld_minus_R="no" -elif test "x$uname_s" = "xOSF1"; then - ld_minus_R="no" -elif test "x$uname_s" = "xDarwin"; then - ld_minus_R="no" -fi - - -AH_TEMPLATE(HAVE_LIBCRYPT, [libcrypt library present]) -AC_ARG_WITH(crypt, -[ --without-crypt disable support for libcrypt],,) -if test "x$with_crypt" != "xno"; then - AC_CHECK_FUNCS([crypt], HAVE_LIBC_CRYPT="true") - if test -z "$HAVE_LIBC_CRYPT"; then - AC_CHECK_LIB(crypt, crypt, - CRYPT_LIBS="-lcrypt" - [AC_DEFINE(HAVE_LIBCRYPT)], ,) - fi -fi -AC_SUBST(CRYPT_LIBS) - -# some OS's need both -lssl and -lcrypto on link line: -AH_TEMPLATE(HAVE_LIBCRYPTO, [openssl libcrypto library present]) -AC_ARG_WITH(crypto, -[ --without-crypto disable support for openssl libcrypto],,) - -AH_TEMPLATE(HAVE_LIBSSL, [openssl libssl library present]) -AC_ARG_WITH(ssl, -[ --without-ssl disable support for openssl libssl] -[ --with-ssl=DIR use openssl include/library files in DIR],,) - -if test "x$with_crypto" != "xno" -a "x$with_ssl" != "xno"; then - if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then - saved_CPPFLAGS="$CPPFLAGS" - saved_LDFLAGS="$LDFLAGS" - CPPFLAGS="$CPPFLAGS -I$with_ssl/include" - LDFLAGS="$LDFLAGS -L$with_ssl/lib" - if test "x$ld_minus_R" = "xno"; then - : - elif test "x$GCC" = "xyes"; then - LDFLAGS="$LDFLAGS -Xlinker -R$with_ssl/lib" - else - LDFLAGS="$LDFLAGS -R$with_ssl/lib" - fi - fi - AC_CHECK_LIB(crypto, RAND_file_name, - [AC_DEFINE(HAVE_LIBCRYPTO) HAVE_LIBCRYPTO="true"], ,) - if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then - if test "x$HAVE_LIBCRYPTO" != "xtrue"; then - CPPFLAGS="$saved_CPPFLAGS" - LDFLAGS="$saved_LDFLAGS" - fi - fi -fi - -AH_TEMPLATE(HAVE_X509_PRINT_EX_FP, [open ssl X509_print_ex_fp available]) -if test "x$with_ssl" != "xno"; then - if test "x$HAVE_LIBCRYPTO" = "xtrue"; then - AC_CHECK_LIB(ssl, SSL_library_init, - SSL_LIBS="-lssl -lcrypto" - [AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], , - -lcrypto) - else - AC_CHECK_LIB(ssl, SSL_library_init, - SSL_LIBS="-lssl" - [AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,) - fi -fi -AC_SUBST(SSL_LIBS) - - if test "x$HAVE_LIBSSL" != "xtrue" -a "x$with_ssl" != "xno"; then - AC_MSG_WARN([ -========================================================================== -*** The openssl encryption library libssl.so was not found. *** -An x11vnc built this way will not support SSL encryption. To enable -SSL install the necessary development packages (perhaps it is named -something like libssl-dev) and run configure again. -========================================================================== -]) - sleep 5 - elif test "x$with_ssl" != "xno"; then - AC_CHECK_LIB(ssl, X509_print_ex_fp, - [AC_DEFINE(HAVE_X509_PRINT_EX_FP) HAVE_X509_PRINT_EX_FP="true"], , $SSL_LIBS - ) - fi - if test "x$with_v4l" != "xno"; then AC_CHECK_HEADER(linux/videodev.h, [AC_DEFINE(HAVE_LINUX_VIDEODEV_H)],,) @@ -578,6 +572,60 @@ ftp://ftp.uu.net/graphics/jpeg/ fi fi +AC_ARG_WITH(png, +[ --without-png disable support for png] +[ --with-png=DIR use png include/library files in DIR],,) + +# At this point: +# no png on command line with_png="" +# -with-png with_png="yes" +# -without-png with_png="no" +# -with-png=/foo/dir with_png="/foo/dir" + +if test "x$with_png" != "xno"; then + if test ! -z "$with_png" -a "x$with_png" != "xyes"; then + # add user supplied directory to flags: + saved_CPPFLAGS="$CPPFLAGS" + saved_LDFLAGS="$LDFLAGS" + CPPFLAGS="$CPPFLAGS -I$with_png/include" + LDFLAGS="$LDFLAGS -L$with_png/lib" + if test "x$ld_minus_R" = "xno"; then + : + elif test "x$GCC" = "xyes"; then + # this is not complete... in general a rat's nest. + LDFLAGS="$LDFLAGS -Xlinker -R$with_png/lib" + else + LDFLAGS="$LDFLAGS -R$with_png/lib" + fi + fi + AC_CHECK_HEADER(png.h, HAVE_PNGLIB_H="true") + if test "x$HAVE_PNGLIB_H" = "xtrue"; then + AC_CHECK_LIB(png, png_create_write_struct, , HAVE_PNGLIB_H="") + fi + if test ! -z "$with_png" -a "x$with_png" != "xyes"; then + if test "x$HAVE_PNGLIB_H" != "xtrue"; then + # restore old flags on failure: + CPPFLAGS="$saved_CPPFLAGS" + LDFLAGS="$saved_LDFLAGS" + fi + fi + if test "$build_x11vnc" = "yes"; then + if test "x$HAVE_PNGLIB_H" != "xtrue"; then + AC_MSG_WARN([ +========================================================================== +*** The libpng compression library was not found. *** +This may lead to reduced performance, especially over slow links. +If libpng is in a non-standard location use --with-png=DIR to +indicate the header file is in DIR/include/png.h and the library +in DIR/lib/libpng.a. A copy of libpng may be obtained from: +http://www.libpng.org/pub/png/libpng.html +========================================================================== +]) + sleep 5 + fi + fi +fi + AC_ARG_WITH(libz, [ --without-libz disable support for deflate],,) AC_ARG_WITH(zlib, @@ -652,8 +700,19 @@ if test "x$with_tightvnc_filetransfer" = "xyes"; then fi AM_CONDITIONAL(WITH_TIGHTVNC_FILETRANSFER, test "$with_tightvnc_filetransfer" = "yes") +# websockets implemented using base64 from resolve +if test "x$HAVE_B64" != "xtrue"; then + with_websockets="" +fi +if test "x$with_websockets" = "xyes"; then + LIBS="$LIBS -lresolv $SSL_LIBS" + AC_DEFINE(WITH_WEBSOCKETS) +fi +AM_CONDITIONAL(WITH_WEBSOCKETS, test "$with_websockets" = "yes") + AM_CONDITIONAL(HAVE_LIBZ, test ! -z "$HAVE_ZLIB_H") AM_CONDITIONAL(HAVE_LIBJPEG, test ! -z "$HAVE_JPEGLIB_H") +AM_CONDITIONAL(HAVE_LIBPNG, test ! -z "$HAVE_PNGLIB_H") SDLCONFIG="sdl-config" @@ -720,6 +779,21 @@ if test "x$with_gnutls" != "xno"; then AC_DEFINE(WITH_CLIENT_TLS) fi fi +AM_CONDITIONAL(HAVE_GNUTLS, test ! -z "$GNUTLS_LIBS") + +# warn if neither GnuTLS nor OpenSSL are available +if test -z "$SSL_LIBS" -a -z "$GNUTLS_LIBS"; then + AC_MSG_WARN([ +========================================================================== +*** No encryption library could be found. *** +A libvncserver/libvncclient built this way will not support SSL encryption. +To enable SSL install the necessary development packages (perhaps it is named +something like libssl-dev or gnutls-dev) and run configure again. +========================================================================== +]) + sleep 5 +fi + # IPv6 AH_TEMPLATE(IPv6, [Enable IPv6 support]) |