dnl /**************************************************************************/ dnl /* */ dnl /* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ dnl /* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ dnl /* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ dnl /* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ dnl /* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ dnl /* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ dnl /* */ dnl /* NXCOMP, NX protocol compression and NX extensions to this software */ dnl /* are copyright of the aforementioned persons and companies. */ dnl /* */ dnl /* Redistribution and use of the present software is allowed according */ dnl /* to terms specified in the file LICENSE.nxcomp which comes in the */ dnl /* source distribution. */ dnl /* */ dnl /* All rights reserved. */ dnl /* */ dnl /* NOTE: This software has received contributions from various other */ dnl /* contributors, only the core maintainers and supporters are listed as */ dnl /* copyright holders. Please contact us, if you feel you should be listed */ dnl /* as copyright holder, as well. */ dnl /* */ dnl /**************************************************************************/ dnl Process this file with autoconf to produce a configure script. dnl Prolog AC_INIT(NX.h) AC_PREREQ(2.13) pkgconfigdir=${libdir}/pkgconfig AC_SUBST(pkgconfigdir) dnl Set our default compilation flags. if test "x$CXXFLAGS" = "x"; then CXXFLAGS="-O3 -fno-rtti -fno-exceptions" fi if test "x$CFLAGS" = "x"; then CFLAGS="$CFLAGS -O3" fi dnl Reset default linking directives. LIBSTATIC="" LIBSHARED="" dnl Prefer headers and libraries from nx-X11, if present. if test -d "../nx-X11/include" ; then CXXFLAGS="$CXXFLAGS -I../nx-X11/exports/include" CFLAGS="$CFLAGS -I../nx-X11/exports/include" LIBS="$LIBS -L../nx-X11/exports/lib" fi dnl Check whether --with-ipaq was given. if test "${with_ipaq}" = yes; then echo -e "enabling IPAQ configuration" CXX="arm-linux-c++" CC="arm-linux-gcc" unset ac_cv_prog_armcxx unset ac_cv_prog_armcc unset ac_cv_prog_CXXCPP AC_CHECK_PROG([armcxx],["$CXX"],[yes],[no],[$PATH]) AC_CHECK_PROG([armcc],["$CC"],[yes],[no],[$PATH]) if test $armcxx = "yes" && test $armcc = "yes" ; then ac_cv_prog_CXX="$CXX" ac_cv_prog_CC="$CC" else AC_MSG_ERROR(Installation or configuration problem. Cannot find compiler for arm-linux.) fi else unset ac_cv_prog_CXX unset ac_cv_prog_CC unset ac_cv_prog_CXXCPP fi dnl Check for programs. AC_PROG_CXX AC_PROG_CC AC_LANG_CPLUSPLUS dnl Check whether option -Wno-deprecated dnl is needed by GCC compiler. AC_MSG_CHECKING([whether compiler needs -Wno-deprecated]) gcc_version=`${CC} --version | grep 'gcc (GCC) [[3-4]].' | head -n 1` case "${gcc_version}" in gcc*) AC_MSG_RESULT([yes]) CXXFLAGS="$CXXFLAGS -Wno-deprecated" ;; *) AC_MSG_RESULT([no]) ;; esac AC_MSG_CHECKING([whether compiler accepts -Wmissing-declarations]) gcc_version=`${CC} --version | grep 'gcc (GCC) [[3-4]].' | head -n 1` case "${gcc_version}" in gcc*) AC_MSG_RESULT([no]) ;; *) AC_MSG_RESULT([yes]) CXXFLAGS="$CXXFLAGS -Wmissing-declarations" ;; esac dnl Check for BSD compatible install. AC_PROG_INSTALL dnl Check for extra header files. AC_PATH_XTRA dnl Custom addition. ac_help="$ac_help --with-symbols add the -g flag to produce the debug symbols --with-use-malloc add the __USE_MALLOC flag to avoid the STL allocators --with-info define INFO at compile time to get basic log output --with-valgrind clean up allocated buffers to avoid valgrind warnings --with-version use this version for produced libraries --with-static-png enable static linking of PNG library --with-static-jpeg enable static linking of JPEG library --with-static-z enable static linking of Z library" dnl Check to see if we're running under Cygwin32. AC_DEFUN(nxconf_CYGWIN32, [AC_CACHE_CHECK(for Cygwin32 environment, nxconf_cv_cygwin32, [AC_TRY_COMPILE(,[return __CYGWIN32__;], nxconf_cv_cygwin32=yes, nxconf_cv_cygwin32=no) rm -f conftest*]) CYGWIN32= test "$nxconf_cv_cygwin32" = yes && CYGWIN32=yes]) nxconf_CYGWIN32 dnl Check whether we're building on a AMD64. AC_DEFUN(nxconf_AMD64, [AC_CACHE_CHECK(for Amd64 environment, nxconf_cv_amd64, [AC_TRY_COMPILE(,[return (__amd64__ || __x86_64__);], nxconf_cv_amd64=yes, nxconf_cv_amd64=no) rm -f conftest*]) AMD64= test "$nxconf_cv_amd64" = yes && AMD64=yes]) nxconf_AMD64 dnl Check for Darwin environment. AC_DEFUN(nxconf_DARWIN, [AC_CACHE_CHECK(for Darwin environment, nxconf_cv_darwin, [AC_TRY_COMPILE(,[return __APPLE__;], nxconf_cv_darwin=yes, nxconf_cv_darwin=no) rm -f conftest*]) DARWIN= test "$nxconf_cv_darwin" = yes && DARWIN=yes]) nxconf_DARWIN dnl Check to see if we're running under Solaris. AC_DEFUN(nxconf_SUN, [AC_CACHE_CHECK(for Solaris environment, nxconf_cv_sun, [AC_TRY_COMPILE(,[return __sun;], nxconf_cv_sun=yes, nxconf_cv_sun=no) rm -f conftest*]) SUN= test "$nxconf_cv_sun" = yes && SUN=yes]) nxconf_SUN dnl Check to see if we're running under FreeBSD. AC_DEFUN(nxconf_FreeBSD, [AC_CACHE_CHECK(for FreeBSD environment, nxconf_cv_freebsd, [AC_TRY_COMPILE(,[return __FreeBSD__;], nxconf_cv_freebsd=yes, nxconf_cv_freebsd=no) rm -f conftest*]) FreeBSD= test "$nxconf_cv_freebsd" = yes && FreeBSD=yes]) nxconf_FreeBSD dnl Build PIC libraries. if test "$CYGWIN32" != yes -a "$DARWIN" != yes; then CXXFLAGS="$CXXFLAGS -fPIC" CFLAGS="$CFLAGS -fPIC" fi dnl Solaris requires the socket and gcc_s libs explicitly linked. dnl Note also that headers from default /usr/openwin/include/X11 dnl cause a warning due to pragma in Xmd.h. if test "$SUN" = yes; then LIBS="$LIBS -L/usr/sfw/lib -lsocket " CXXFLAGS="$CXXFLAGS -I/usr/sfw/include" CFLAGS="$CFLAGS -I/usr/sfw/include" fi dnl On FreeBSD search libraries and includes under /usr/local. if test "$FreeBSD" = yes; then LIBS="$LIBS -L/usr/local/lib" CXXFLAGS="$CXXFLAGS -I/usr/local/include" CFLAGS="$CFLAGS -I/usr/local/include" fi dnl Under Darwin we don't have support for -soname option and dnl we need the -dynamiclib flag. Under Solaris, instead, we need dnl the options -G -h. if test "$DARWIN" = yes; then LDFLAGS="$LDFLAGS -dynamiclib" elif test "$SUN" = yes; then LDFLAGS="$LDFLAGS -G -h \$(LIBLOAD)" else LDFLAGS="$LDFLAGS -Wl,-soname,\$(LIBLOAD)" fi dnl Check to see if in_addr_t is defined. dnl Could use a specific configure test. AC_DEFUN(nxconf_INADDRT, [AC_CACHE_CHECK(for in_addr_t, nxconf_cv_inaddrt, [AC_TRY_COMPILE([#include <netinet/in.h>],[in_addr_t t; t = 1; return t;], nxconf_cv_inaddrt=yes, nxconf_cv_inaddrt=no) rm -f conftest*]) INADDRT= test "$nxconf_cv_inaddrt" = yes && INADDRT=yes]) nxconf_INADDRT dnl If in_addr_t is not defined use unsigned int. if test "$INADDRT" != yes ; then echo -e "using unsigned int for type in_addr_t" CXXFLAGS="$CXXFLAGS -DIN_ADDR_T=unsigned" CFLAGS="$CFLAGS -DIN_ADDR_T=unsigned" else CXXFLAGS="$CXXFLAGS -DIN_ADDR_T=in_addr_t" CFLAGS="$CFLAGS -DIN_ADDR_T=in_addr_t" fi dnl Check whether --with-version was given. AC_SUBST(LIBVERSION) AC_SUBST(VERSION) if test "${with_version}" = yes; then VERSION=${ac_option} else VERSION=`cat VERSION` fi echo -e "compiling version ${VERSION}" LIBVERSION=`echo ${VERSION} | cut -d '.' -f 1` CXXFLAGS="$CXXFLAGS -DVERSION=\\\"${VERSION}\\\"" CFLAGS="$CFLAGS -DVERSION=\\\"${VERSION}\\\"" dnl Check whether --with-static-png was given and dnl add -lpng or libpng.a to linking. if test "${with_static_png}" = yes; then echo -e "enabling static linking of PNG library" if test "$SUN" = yes && test -f "/usr/sfw/lib/libpng.a"; then LIBSTATIC="$LIBSTATIC /usr/sfw/lib/libpng.a" else if test -f "/usr/lib/libpng.a" ; then LIBSTATIC="$LIBSTATIC /usr/lib/libpng.a" else if test -f "/usr/local/lib/libpng.a" ; then echo -e "assuming libpng.a in /usr/local/lib" LIBSTATIC="$LIBSTATIC /usr/local/lib/libpng.a" else echo -e "Warning: assuming libpng.a in the local path" LIBSTATIC="$LIBSTATIC libpng.a" fi fi fi else echo -e "enabling dynamic linking of PNG library" LIBSHARED="$LIBSHARED -lpng" fi dnl Check whether --with-static-jpeg was given and dnl add -ljpeg or libjpeg.a to linking. if test "${with_static_jpeg}" = yes; then echo -e "enabling static linking of JPEG library" if test "$SUN" = yes && test -f "/usr/sfw/lib/libjpeg.a"; then LIBSTATIC="$LIBSTATIC /usr/sfw/lib/libjpeg.a" else if test -f "/usr/lib/libjpeg.a" ; then LIBSTATIC="$LIBSTATIC /usr/lib/libjpeg.a" else if test -f "/usr/local/lib/libjpeg.a" ; then echo -e "assuming libjpeg.a in /usr/local/lib" LIBSTATIC="$LIBSTATIC /usr/local/lib/libjpeg.a" else echo -e "Warning: assuming libjpeg.a in the local path" LIBSTATIC="$LIBSTATIC libjpeg.a" fi fi fi else echo -e "enabling dynamic linking of JPEG library" LIBSHARED="$LIBSHARED -ljpeg" fi dnl Check whether --with-static-z was given and dnl add -lz or libz.a to linking. if test "${with_static_z}" = yes; then echo -e "enabling static linking of Z library" if test "$SUN" = yes && test -f "/usr/sfw/lib/libz.a"; then LIBSTATIC="$LIBSTATIC /usr/sfw/lib/libz.a" else if test -f "/usr/lib/libz.a" ; then LIBSTATIC="$LIBSTATIC /usr/lib/libz.a" else if test -f "/usr/local/lib/libz.a" ; then echo -e "assuming libz.a in /usr/local/lib" LIBSTATIC="$LIBSTATIC /usr/local/lib/libz.a" else echo -e "Warning: assuming libz.a in the local path" LIBSTATIC="$LIBSTATIC libz.a" fi fi fi else echo -e "enabling dynamic linking of Z library" LIBSHARED="$LIBSHARED -lz" fi dnl Finally compose the LIB variable. if test "$DARWIN" = yes ; then LIBS="$LIBS $LIBSTATIC $LIBSHARED" elif test "$SUN" = yes ; then LIBS="$LIBS $LIBSTATIC $LIBSHARED" else LIBS="$LIBS $LIBSTATIC -shared $LIBSHARED" fi dnl Check whether --with-symbols or --without-symbols was dnl given and set the required optimization level. if test "${with_symbols}" = yes; then echo -e "enabling production of debug symbols" CXXFLAGS="-g $CXXFLAGS" CFLAGS="-g $CFLAGS" else echo -e "disabling production of debug symbols" fi dnl Check whether --with-use-malloc or --without-use-malloc dnl was given. if test "${with_use_malloc}" = yes; then echo -e "disabling use of the STL allocators" CXXFLAGS="$CXXFLAGS -D__USE_MALLOC" else echo -e "enabling use of the STL allocators" fi dnl Check whether --with-info or --without-info was given. if test "${with_info}" = yes; then echo -e "enabling info output in the log file" CXXFLAGS="$CXXFLAGS -DINFO" CFLAGS="$CFLAGS -DINFO" else echo -e "disabling info output in the log file" fi dnl Check whether --with-valgrind or --without-valgrind was given. if test "${with_valgrind}" = yes; then echo -e "enabling valgrind memory checker workarounds" CXXFLAGS="$CXXFLAGS -DVALGRIND" CFLAGS="$CFLAGS -DVALGRIND" else echo -e "disabling valgrind memory checker workarounds" fi dnl Find makedepend somewhere. AC_SUBST(MAKEDEPEND) MAKEDEPEND="$(which makedepend)" dnl Determine what to build based on the platform. dnl Override the LIBS settings on Cygwin32 so that dnl we always link with the exact set of libraries. AC_SUBST(ALL) if test "$CYGWIN32" = yes; then ALL="\$(LIBCYGARCHIVE) \$(LIBCYGSHARED) \$(LIBARCHIVE)" LIBS="-lstdc++ -lpng -ljpeg -lz" else ALL="\$(LIBFULL) \$(LIBLOAD) \$(LIBSHARED) \$(LIBARCHIVE)" fi AC_OUTPUT(Makefile nxcomp.pc)