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Diffstat (limited to 'configure.d/config_project_perl_python')
| -rw-r--r-- | configure.d/config_project_perl_python | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/configure.d/config_project_perl_python b/configure.d/config_project_perl_python new file mode 100644 index 0000000..23f8c7e --- /dev/null +++ b/configure.d/config_project_perl_python @@ -0,0 +1,379 @@ +# -*- autoconf -*- +######################################### +## +# Perl & Python support +## +######################################### + +## +# Check whether Net-SNMP configuration will support Perl +## + +# Inputs: +# install_perl: whether or not to install the Perl modules +# yes/no/try (i.e. 'maybe' - the default) +# embed_perl: whether or not to embed Perl support within the agent +# yes/no/try (i.e. 'maybe' - the default) +# +# ac_cv_path_PERLPROG: Path to perl binary + + +# Embedded Perl requires Perl modules, and the perl binary +# +if test "x$embed_perl" = "xtry" ; then + if test "x$install_perl" = "xno" ; then + install_perl="try" + fi + if test "x$ac_cv_path_PERLPROG" = "x" -o "x$ac_cv_path_PERLPROG" = "xno" ; then + install_perl="no" + embed_perl="no" + fi +fi + +# Perl modules require the perl binary +# +if test "x$install_perl" != "xno" ; then + myperl=$ac_cv_path_PERLPROG + if test $myperl = "no" ; then + if test "x$install_perl" = "xtry" ; then + install_perl="no" + else + AC_MSG_ERROR(--enable-embedded-perl requested but no perl executable found) + fi + fi +fi + +# Perl modules require shared libraries +# +if test "x$install_perl" != "xno" ; then + if test "x$enable_shared" != "xyes"; then + if test "x$install_perl" = "xtry" ; then + install_perl="no" + else + AC_MSG_ERROR(Perl support requires --enable-shared) + fi + fi +fi + +# Perl modules can only be installed from within the source tree +# +if test "x$install_perl" != "xno" ; then + AC_MSG_CHECKING([if we are in the source tree so we can install Perl modules]) + if test "x$srcdir" = "x." -o -d perl/agent/default_store ; then + AC_MSG_RESULT([Yes]) + else + if test "x$install_perl" = "xtry" ; then + install_perl="no" + AC_MSG_RESULT([No]) + else + AC_MSG_ERROR([Perl modules can not be built outside the source directory]) + fi + fi +fi + + +# The rest of the Perl-related checks aren't relevant +# if we're not using the Perl modules +# +if test "x$install_perl" != "xno" ; then + + +## +# Check compiler compatability +## + + # What compiler was used to build the perl binary? + # + if test "xenable_perl_cc_checks" != "xno" ; then + AC_MSG_CHECKING([for Perl cc]) + changequote(, ) + PERLCC=`$myperl -V:cc | $myperl -n -e 'print if (s/^\s*cc=.([-=\w\s\/]+).;\s*/$1/);'` + changequote([, ]) + if test "x$PERLCC" != "x" ; then + AC_MSG_RESULT([$PERLCC]) + else + if test "x$install_perl" = "xtry" ; then + install_perl="no" + else + AC_MSG_ERROR([Could not determine the compiler that was used to build $myperl. Either set the environment variable PERLPROG to a different perl binary or use --without-perl-modules to build without Perl.]) + fi + fi + fi + + # Was GCC used to build the perl binary? + # + if test "x$install_perl" != "xno" ; then + AC_MSG_CHECKING([whether $PERLCC is a GNU C compiler]) + OLDCC=$CC + CC="$PERLCC" + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([], [[ +#ifndef __GNUC__ + choke me +#endif + ]])], [perlcc_is_gnu=yes], [perlcc_is_gnu=no]) + AC_MSG_RESULT([$perlcc_is_gnu]) + CC=$OLDCC + + # Check compatability: Gnu Net-SNMP vs Non-Gnu perl + # + if test "x$GCC" = "xyes" -a "x$perlcc_is_gnu" = "xno" ; then + if test "x$install_perl" = "xtry" ; then + install_perl="no" + else + AC_MSG_ERROR([This build is using a GNU C compiler ($CC) while Perl has been compiled with a non-GNU (or non-working) compiler ($PERLCC). This likely won't work for building with Perl support. Either specify a different compiler (--with-cc=PATH), disable this check (--disable-perl-cc-checks) or build without Perl (--without-perl-modules).]) + fi + fi + fi + + # Check compatability: Non-Gnu Net-SNMP vs Gnu perl + # + if test "x$install_perl" != "xno" ; then + if test "x$GCC" != "xyes" -a "x$perlcc_is_gnu" = "xyes" ; then + if test "x$install_perl" = "xtry" ; then + install_perl="no" + else + AC_MSG_ERROR([This build is using a non-GNU C compiler ($CC) while Perl has been compiled with a GNU compiler ($PERLCC). This likely won't work for building with Perl support. Either specify a different compiler (--with-cc=PATH), disable this check (--disable-perl-cc-checks) or build without Perl (--without-perl-modules).]) + fi + fi + fi + + # Are we clear to proceed? + # + if test "x$install_perl" = "xtry" ; then + install_perl="yes" + else + if test "x$install_perl" = "xno" ; then + install_perl="no" + embed_perl="no" + fi + fi + + +## +# Determine compilation environment needed for embedded Perl +## + +# System-specific requirements +# +case $target_os in + solaris*) + if test "x$embed_perl" != "xno" ; then + # Check for LARGEFILE support (Solaris) + # + AC_MSG_CHECKING([for problematic Perl cc flags on Suns]) + if $myperl -V:ccflags | $GREP LARGEFILE > /dev/null ; then + if test "x$embed_perl" = "xtry" ; then + embed_perl="no" + else + AC_MSG_ERROR([Perl was compiled with LARGEFILE support which will break Net-SNMP. Either set the environment variable PERLPROG to a different perl binary or use --disable-embedded-perl to turn off embedded Perl functionality altogether.]) + fi + else + AC_MSG_RESULT([none known]) + fi + fi + ;; + + # Embedded perl typically fails on HP-UX and Mac OS X + # We really need to investigate why, and check for this explicitly + # But for the time being, turn this off by default + hpux*|darwin8*|darwin9*|darwin10*) + if test "x$embed_perl" = "xtry" ; then + AC_MSG_WARN([Embedded perl defaulting to off]) + embed_perl="no" + fi + ;; + + *) + ;; +esac + +# Compiler flags +# +if test "x$embed_perl" != "xno" ; then + AC_MSG_CHECKING([for Perl CFLAGS]) + perlcflags=`$myperl -MExtUtils::Embed -e ccopts` + if test "x$perlcflags" != "x" ; then + AC_MSG_RESULT([$perlcflags]) + CFLAGS="$CFLAGS $perlcflags" + else + if test "x$embed_perl" = "xtry" ; then + embed_perl="no" + else + AC_MSG_ERROR([Could not determine the C compiler flags that were used to build $myperl. Either set the environment variable PERLPROG to a different Perl binary or use --disable-embedded-perl to turn off embedded Perl functionality altogether.]) + fi + fi +fi + +# Linker flags +# +if test "x$embed_perl" != "xno" ; then + AC_MSG_CHECKING([for Perl LDFLAGS]) + netsnmp_perlldopts=`$myperl -MExtUtils::Embed -e ldopts` + if test "x$netsnmp_perlldopts" != "x" ; then + AC_MSG_RESULT([$netsnmp_perlldopts]) + else + if test "x$embed_perl" = "xtry" ; then + embed_perl="no" + else + AC_MSG_ERROR([Could not determine the linker options that were used to build $myperl. Either set the environment variable PERLPROG to a different Perl binary or use --disable-embedded-perl to turn off embedded Perl functionality altogether.]) + fi + fi + if test "x$enable_as_needed" != "xno" ; then + # Just-in-time linking will embed the Perl library within + # the Net-SNMP library (rather than the agent application) + # + PERLLDOPTS_FOR_LIBS="$netsnmp_perlldopts" + # Perl ccdlflags (RPATH to libperl, hopefully) + # + AC_MSG_CHECKING([for Perl CCDLFLAGS]) + changequote(, ) + netsnmp_perlccdlflags=`$myperl -V:ccdlflags | $myperl -n -e 'print $1 '"if (/^\s*ccdlflags='([^']+)';/);"` + changequote([, ]) + AC_MSG_RESULT([$netsnmp_perlccdlflags]) + PERLLDOPTS_FOR_APPS="$netsnmp_perlccdlflags" + else + # Otherwise embed the Perl library within the application + # + PERLLDOPTS_FOR_LIBS="$netsnmp_perlldopts" + # link *applications* against libperl + PERLLDOPTS_FOR_APPS="$netsnmp_perlldopts" + fi +fi + +# 'Perl_eval_pv' function (and equivalents) +# +if test "x$embed_perl" != "xno" ; then + # Three possible versions of this routine: + # eval_pv (to 5.003_97d) + # perl_eval_pv (5.004/5.005) + # Perl_eval_pv (from 5.6ff) + # + OLDLIBS="$LIBS" + LIBS="$LIBS $netsnmp_perlldopts" + AC_CHECK_FUNCS(eval_pv) + AC_CHECK_FUNC(perl_eval_pv, + AC_DEFINE(HAVE_PERL_EVAL_PV_LC, 1, + [Define to 1 if you have `the perl_eval_pv' function.])) + AC_CHECK_FUNC(Perl_eval_pv, + AC_DEFINE(HAVE_PERL_EVAL_PV_UC, 1, + [Define to 1 if you have the `Perl_eval_pv' function.])) + LIBS="$OLDLIBS" + # + # Note that autoconf flattens case when defining tokens, + # so we need to explicitly distinguish between the latter two. + + if test "x$ac_cv_func_perl_eval_pv" != "xyes" -a "x$ac_cv_func_Perl_eval_pv" != "xyes" -a "x$ac_cv_func_eval_pv" != "xyes" ; then + if test "x$embed_perl" = "xtry" ; then + embed_perl="no" + else + AC_MSG_ERROR([Could not find the eval_pv, perl_eval_pv or Perl_eval_pv functions needed for embedded Perl support. Either set the environment variable PERLPROG to a different perl binary or use --disable-embedded-perl to turn off embedded Perl functionality altogether.]) + fi + else + # Activate Embedded Perl + # + AC_DEFINE(NETSNMP_EMBEDDED_PERL, 1, + [Define if you are embedding perl in the main agent.]) + OTHERAGENTLIBOBJS="snmp_perl.o" + OTHERAGENTLIBLOBJS="snmp_perl.lo" + OTHERAGENTLIBLFTS="snmp_perl.ft" + + EMBEDPERLINSTALL="embedperlinstall" + EMBEDPERLUNINSTALL="embedperluninstall" + embed_perl="yes" + fi +else + EMBEDPERLINSTALL="" + EMBEDPERLUNINSTALL="" + embed_perl="no" + fi +fi + + +## +# Report and configure results +## + +AC_SUBST(EMBEDPERLINSTALL) +AC_SUBST(EMBEDPERLUNINSTALL) +AC_SUBST(PERLLDOPTS_FOR_LIBS) +AC_SUBST(PERLLDOPTS_FOR_APPS) + +# Results of Embedded Perl checks +# +AC_MSG_CHECKING([for potential embedded Perl support]) +if test "x$embed_perl" != "xyes" ; then + AC_MSG_CACHE_ADD(Embedded Perl support: disabled) + AC_MSG_RESULT([disabled]) +else + AC_MSG_CACHE_ADD(Embedded Perl support: enabled) + AC_MSG_RESULT([enabled]) +fi + +# Results of Perl Module checks +# +PERLTARGS="" +PERLINSTALLTARGS="" +PERLUNINSTALLTARGS="" +PERLFEATURES="" +AC_MSG_CHECKING([if we can install the Perl modules]) +if test "x$install_perl" = "xyes" ; then + PERLTARGS="perlmodules" + PERLINSTALLTARGS="perlinstall" + PERLUNINSTALLTARGS="perluninstall" + PERLFEATURES="perlfeatures" + if test "x$embed_perl" = "xyes" ; then + AC_MSG_CACHE_ADD(SNMP Perl modules: building -- embeddable) + AC_MSG_RESULT([yes -- and embeddable]) + else + AC_MSG_CACHE_ADD(SNMP Perl modules: building -- not embeddable) + AC_MSG_RESULT([yes -- not embeddable]) + fi +else + AC_MSG_RESULT([no]) + AC_MSG_CACHE_ADD(SNMP Perl modules: disabled) +fi +AC_SUBST(PERLTARGS) +AC_SUBST(PERLINSTALLTARGS) +AC_SUBST(PERLUNINSTALLTARGS) +AC_SUBST(PERLARGS) +AC_SUBST(PERLFEATURES) + + +# Reset LIBS to pre-libwrap value (???) +# +AGENTLIBS=$LIBS +LIBS=$NONAGENTLIBS + + + +## +# Python checks +## + +PYTHONTARGS="" +PYTHONINSTALLTARGS="" +PYTHONUNINSTALLTARGS="" +PYTHONCLEANTARGS="" +PYTHONFEATURES="" +AC_MSG_CHECKING([if we should install the python bindings]) +if test "x$install_python" = "xyes" ; then + PYTHONTARGS="pythonmodules" + PYTHONINSTALLTARGS="pythoninstall" + PYTHONUNINSTALLTARGS="pythonuninstall" + PYTHONCLEANTARGS="pythonclean" + PYTHONFEATURES="pythonfeatures" + AC_MSG_CACHE_ADD(SNMP Python modules: building for $PYTHONPROG) + AC_MSG_RESULT([yes]) +else + AC_MSG_CACHE_ADD(SNMP Python modules: disabled) + AC_MSG_RESULT([no]) +fi +AC_SUBST(PYTHONTARGS) +AC_SUBST(PYTHONINSTALLTARGS) +AC_SUBST(PYTHONUNINSTALLTARGS) +AC_SUBST(PYTHONCLEANTARGS) +AC_SUBST(PYTHONARGS) +AC_SUBST(PYTHONFEATURES) + + |