Hello,
I'm attempting to build Xalan-C++ 1.12 following the build steps found at: https://apache.github.io/xalan-c/build.html Build environment: CentOS 7 (up-to-date), cmake3 version 3.17.3, gcc 8.2.0 Xerces-C++ 3.2.3 build from the sources, using autotools and these configure options: ./configure --disable-rpath --disable-network --without-icu --prefix=/mypath/xerces/3.2.3 gcc 8.2.0: $ export LD_LIBRARY_PATH=/mypath/gcc/8.2.0/lib64:$LD_LIBRARY_PATH $ export PATH=/mypath/gcc/8.2.0/bin:$PATH $ export PKG_CONFIG_PATH=/mypath/xerces/3.2.3/lib/pkgconfig:$PKG_CONFIG_PATH I'm describing the issues and questions I've had during my attempt to configure and build Xalan-C++ 1.12.. 1. cmake won't detect the C compiler properly (but do we care?): $ mkdir build && cd build $ cmake3 -DCMAKE_INSTALL_PREFIX=$TOOLS/xalan-c-1.12 -Dtranscoder=default .. [snip] -- The C compiler identification is GNU 4.8.5 -- The CXX compiler identification is GNU 8.2.0 [snip] The system C compiler *is* gcc 4.8.5, but the one first found on the PATH is gcc 8.2.0. What wrong magics is performed there? Do we care anyway? 2. cmake won't detect Xerces-C++ 3.2.3: [snip] CMake Error at /usr/share/cmake3/Modules/FindPackageHandleStandardArgs.cmake:164 (message): Failed to find XercesC (missing: XercesC_LIBRARY XercesC_INCLUDE_DIR XercesC_VERSION) (Required is at least version "3.1") [snip] Obviously it doesn't use PKG_CONFIG_PATH to find it, which is wrong if xerces-C++ has been built using autotools (this is the recommended method on GNU/Linux). I solved it using: $ cmake3 -DCMAKE_INSTALL_PREFIX=$TOOLS/xalan-c-1.12 -Dtranscoder=default -DXercesC_VERSION=3.2.3 -DXercesC_LIBRARY="-L/mypath/xerces/3.2.3/lib" -DXercesC_INCLUDE_DIR=$TOOLS/xerces/3.2.3/include .. But I'm not sure this will work, probably missing a -lxerces-c in XercesC_LIBRARY. 3. ICU seems required or checked whereas I explicitly want the built-in transcoder (default). I come up to here: -- The C compiler identification is GNU 4.8.5 -- The CXX compiler identification is GNU 8.2.0 -- Check for working C compiler: /usr/lib64/ccache/cc -- Check for working C compiler: /usr/lib64/ccache/cc - works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/lib64/ccache/c++ -- Check for working CXX compiler: /usr/lib64/ccache/c++ - works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- Configuring Apache Xalan-C++ version 1.12.0 -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed -- Looking for pthread_create in pthreads -- Looking for pthread_create in pthreads - not found -- Looking for pthread_create in pthread -- Looking for pthread_create in pthread - found -- Found Threads: TRUE -- Found Doxygen: /bin/doxygen (found version "1.8.5") found components: doxygen dot -- Performing Test CXX_FLAG_Wall -- Performing Test CXX_FLAG_Wall - Success -- Performing Test CXX_FLAG_Wcast_align -- Performing Test CXX_FLAG_Wcast_align - Success -- Performing Test CXX_FLAG_Wcast_qual -- Performing Test CXX_FLAG_Wcast_qual - Success -- Performing Test CXX_FLAG_Wctor_dtor_privacy -- Performing Test CXX_FLAG_Wctor_dtor_privacy - Success -- Performing Test CXX_FLAG_Wextra -- Performing Test CXX_FLAG_Wextra - Success -- Performing Test CXX_FLAG_Wformat_2 -- Performing Test CXX_FLAG_Wformat_2 - Success -- Performing Test CXX_FLAG_Wimplicit_atomic_properties -- Performing Test CXX_FLAG_Wimplicit_atomic_properties - Failed -- Performing Test CXX_FLAG_Wmissing_declarations -- Performing Test CXX_FLAG_Wmissing_declarations - Success -- Performing Test CXX_FLAG_Wno_long_long -- Performing Test CXX_FLAG_Wno_long_long - Success -- Performing Test CXX_FLAG_Woverlength_strings -- Performing Test CXX_FLAG_Woverlength_strings - Success -- Performing Test CXX_FLAG_Woverloaded_virtual -- Performing Test CXX_FLAG_Woverloaded_virtual - Success -- Performing Test CXX_FLAG_Wredundant_decls -- Performing Test CXX_FLAG_Wredundant_decls - Success -- Performing Test CXX_FLAG_Wreorder -- Performing Test CXX_FLAG_Wreorder - Success -- Performing Test CXX_FLAG_Wswitch_default -- Performing Test CXX_FLAG_Wswitch_default - Success -- Performing Test CXX_FLAG_Wunused_variable -- Performing Test CXX_FLAG_Wunused_variable - Success -- Performing Test CXX_FLAG_Wwrite_strings -- Performing Test CXX_FLAG_Wwrite_strings - Success -- Performing Test CXX_FLAG_Wno_variadic_macros -- Performing Test CXX_FLAG_Wno_variadic_macros - Success -- Performing Test CXX_FLAG_fstrict_aliasing -- Performing Test CXX_FLAG_fstrict_aliasing - Success -- Looking for signal -- Looking for signal - found -- Looking for SetConsoleCtrlHandler -- Looking for SetConsoleCtrlHandler - not found -- Looking for usleep -- Looking for usleep - found -- Looking for Sleep -- Looking for Sleep - not found -- Looking for gmtime_r -- Looking for gmtime_r - found -- Looking for localtime_r -- Looking for localtime_r - found -- Looking for _create_locale -- Looking for _create_locale - not found -- Looking for isnan -- Looking for isnan - found -- Looking for _isnan -- Looking for _isnan - not found -- Performing Test XALAN_HAVE_STD_ISNAN -- Performing Test XALAN_HAVE_STD_ISNAN - Success -- Looking for unistd.h -- Looking for unistd.h - found -- Looking for direct.h -- Looking for direct.h - not found -- Found the following ICU libraries: -- uc (required) -- data (required) -- i18n (required) -- Found ICU: /usr/include (found version "50.2") -- Found XercesC: -L/mypath/xerces/3.2.3/lib (found suitable version "3.2.3", minimum required is "3.1") -- Check if compiler accepts -pthread -- Check if compiler accepts -pthread - yes -- Performing Test XALAN_HAVE_STD_THREAD -- Performing Test XALAN_HAVE_STD_THREAD - Success -- Looking for C++ include nl_types.h -- Looking for C++ include nl_types.h - found -- Looking for catopen -- Looking for catopen - found -- Looking for catclose -- Looking for catclose - found -- Looking for catgets -- Looking for catgets - found -- Performing Test CXX_matching-delete-operator -- Performing Test CXX_matching-delete-operator - Success -- Performing Test HAVE_PATH_MAX -- Performing Test HAVE_PATH_MAX - Success -- -- Xalan-C++ configuration summary -- ------------------------------- -- -- Version: 1.12.0 -- Library major version: 112 -- Library minor version: 0 -- -- Installation directory: /mypath/xalan-c-1.12 -- C compiler: /usr/lib64/ccache/cc -- C++ compiler: /usr/lib64/ccache/c++ -- -- Build shared libraries: ON -- Thread implementation: standard -- Transcoder: default -- Message Loader: inmemory -- Message Loader Locale: en_US -- Configuring done -- Generating done -- Build files have been written to: /mypath/build/xalan-c-1.12/build Does this mean that the ICU libraries are mandatory? The build doc page says "ICU C++ libraries and headers (optional)". Why does cmake check for ICU libraries if they are optional and the transcoder explicitely set NOT to use ICU? Note that if I remove the system ICU dev files, I'll get: -- The following ICU libraries were not found: -- uc (required) -- data (required) -- i18n (required) -- Failed to find all ICU components (missing: ICU_INCLUDE_DIR ICU_LIBRARY _ICU_REQUIRED_LIBS_FOUND) Anyway, the cmake configure step does not fail. 4. is there a way NOT to build the docs? I could not find such a way. I don't need them, doc build requirements are not clear or even specified anywhere I could find, and it fails here anyway (rule xalan-c-doc-check). [skipping a huge UNDOCUMENTED CODE section] [ 0%] Built target xalan-c-doc-check make: *** [all] Error 2 Regards, -- wwp https://useplaintext.email/
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