$ JBCS_HOME=/home/karm/JBCS/2.4.29.SP1/jbcs-httpd24-2.4 ./apxs -q HTTPD_VERSION

2.4.29

$ JBCS_HOME=/home/karm/JBCS/2.4.37-ER2/jbcs-httpd24-2.4 ./apxs -q HTTPD_VERSION

2.4.37
/home/karm/JBCS/2.4.37-ER2/jbcs-httpd24-2.4/httpd/bin/apr-1-config: line 48: $'install: alter with care!\nlocation=installed\n\nshow_usage()\n{\n    cat << EOF\nUsage: apr-$APR_MAJOR_VERSION-config [OPTION]\n\nKnown values for OPTION are:\n  --prefix[=DIR]    change prefix to DIR\n  --bindir          print location where binaries are installed\n  --includedir      print location where headers are installed\n  --cc              print C compiler name\n  --cpp             print C preprocessor name and any required options\n  --cflags          print C compiler flags\n  --cppflags        print C preprocessor flags\n  --includes        print include information\n  --ldflags         print linker flags\n  --libs            print additional libraries to link against\n  --srcdir          print APR source directory\n  --installbuilddir print APR build helper directory\n  --link-ld         print link switch(es) for linking to APR\n  --link-libtool    print the libtool inputs for linking to APR\n  --shlib-path-var  print the name of the shared library path env var\n  --apr-la-file     print the path to the .la file, if available\n  --apr-so-ext      print the extensions of shared objects on this platform\n  --apr-lib-target  print the libtool target information\n  --apr-libtool     print the path to APRs': command not found
/home/karm/JBCS/2.4.37-ER2/jbcs-httpd24-2.4/httpd/bin/apr-1-config: line 76: --version: command not found
/home/karm/JBCS/2.4.37-ER2/jbcs-httpd24-2.4/httpd/bin/apr-1-config: line 192: syntax error near unexpected token `fi'
/home/karm/JBCS/2.4.37-ER2/jbcs-httpd24-2.4/httpd/bin/apr-1-config: line 192: `    fi'
Use of uninitialized value $apr_major_version in numeric lt (<) at ./apxs line 348.
Use of uninitialized value $apr_major_version in numeric lt (<) at ./apxs line 363.