/* just define a list of macros to push elements in INC
*  so we can easily use them and change order on demand
*
* list of available INCPUSH macros
* - INCPUSH_APPLLIB_EXP
* - INCPUSH_SITEARCH_EXP
* - INCPUSH_SITELIB_EXP
* - INCPUSH_PERL_VENDORARCH_EXP
* - INCPUSH_PERL_VENDORLIB_EXP
* - INCPUSH_ARCHLIB_EXP
* - INCPUSH_PRIVLIB_EXP
* - INCPUSH_PERL_OTHERLIBDIRS
* - INCPUSH_PERL5LIB
* - INCPUSH_APPLLIB_OLD_EXP
* - INCPUSH_SITELIB_STEM
* - INCPUSH_PERL_VENDORLIB_STEM
* - INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
*/
#ifndef DEFINE_INC_MACROS
/* protect against multiple inclusions */
#define DEFINE_INC_MACROS 1
#ifdef APPLLIB_EXP
#       define INCPUSH_APPLLIB_EXP  S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), \
                      INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
#endif
#ifdef SITEARCH_EXP
    /* sitearch is always relative to sitelib on Windows for
     * DLL-based path intuition to work correctly */
#  if !defined(WIN32)
#       define INCPUSH_SITEARCH_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), \
                          INCPUSH_CAN_RELOCATE);
#  endif
#endif
#ifdef SITELIB_EXP
#  if defined(WIN32)
    /* this picks up sitearch as well */
#         define INCPUSH_SITELIB_EXP s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); \
                if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
#  else
#         define INCPUSH_SITELIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), \
                INCPUSH_CAN_RELOCATE);
#  endif
#endif
#ifdef PERL_VENDORARCH_EXP
    /* vendorarch is always relative to vendorlib on Windows for
     * DLL-based path intuition to work correctly */
#  if !defined(WIN32)
#               define INCPUSH_PERL_VENDORARCH_EXP  S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), INCPUSH_CAN_RELOCATE);
#  endif
#endif
#ifdef PERL_VENDORLIB_EXP
#  if defined(WIN32)
    /* this picks up vendorarch as well */
#               define INCPUSH_PERL_VENDORLIB_EXP s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); \
                        if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
#  else
#               define INCPUSH_PERL_VENDORLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), INCPUSH_CAN_RELOCATE);
#  endif
#endif
#ifdef ARCHLIB_EXP
#       define INCPUSH_ARCHLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE);
#endif
/* used by INCPUSH_PRIVLIB_EXP */
#ifndef PRIVLIB_EXP
#  define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
#if defined(WIN32)
#       define INCPUSH_PRIVLIB_EXP s = PerlEnv_lib_path(PERL_FS_VERSION, &len); \
    if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
#else
#       define INCPUSH_PRIVLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE);
#endif
#ifdef PERL_OTHERLIBDIRS
#       define INCPUSH_PERL_OTHERLIBDIRS S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), \
                      INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE);
#endif
/* submacros for INCPUSH_PERL5LIB */
#define _INCPUSH_PERL5LIB_IF    if (perl5lib && *perl5lib != '\0')
#ifndef VMS
# define _INCPUSH_PERL5LIB_ADD _INCPUSH_PERL5LIB_IF incpush_use_sep(perl5lib, 0, INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR);
#else
/* VMS */
        /* Treat PERL5?LIB as a possible search list logical name -- the
         * "natural" VMS idiom for a Unix path string.  We allow each
         * element to be a set of |-separated directories for compatibility.
         */
# define _INCPUSH_PERL5LIB_ADD char buf[256]; \
        int idx = 0; \
        if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) \
            do { \
                incpush_use_sep(buf, 0, \
                                INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); \
            } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0));
#endif
/* this macro is special and use submacros from above */
#define INCPUSH_PERL5LIB if (!TAINTING_get) { _INCPUSH_PERL5LIB_ADD }
/* Use the ~-expanded versions of APPLLIB (undocumented),
    SITELIB and VENDORLIB for older versions
*/
#ifdef APPLLIB_EXP
#       define INCPUSH_APPLLIB_OLD_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), \
            INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE);
#endif
#if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST)
    /* Search for version-specific dirs below here */
#       define INCPUSH_SITELIB_STEM   S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), \
                      INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE);
#endif
#if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST)
    /* Search for version-specific dirs below here */
#       define INCPUSH_PERL_VENDORLIB_STEM    S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), \
                      INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE);
#endif
#ifdef PERL_OTHERLIBDIRS
#       define INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY  S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), \
                      INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_CAN_RELOCATE);
#endif
/* define all undefined macros... */
#ifndef INCPUSH_APPLLIB_EXP
#define INCPUSH_APPLLIB_EXP
#endif
#ifndef INCPUSH_SITEARCH_EXP
#define INCPUSH_SITEARCH_EXP
#endif
#ifndef INCPUSH_SITELIB_EXP
#define INCPUSH_SITELIB_EXP
#endif
#ifndef INCPUSH_PERL_VENDORARCH_EXP
#define INCPUSH_PERL_VENDORARCH_EXP
#endif
#ifndef INCPUSH_PERL_VENDORLIB_EXP
#define INCPUSH_PERL_VENDORLIB_EXP
#endif
#ifndef INCPUSH_ARCHLIB_EXP
#define INCPUSH_ARCHLIB_EXP
#endif
#ifndef INCPUSH_PRIVLIB_EXP
#define INCPUSH_PRIVLIB_EXP
#endif
#ifndef INCPUSH_PERL_OTHERLIBDIRS
#define INCPUSH_PERL_OTHERLIBDIRS
#endif
#ifndef INCPUSH_PERL5LIB
#define INCPUSH_PERL5LIB
#endif
#ifndef INCPUSH_APPLLIB_OLD_EXP
#define INCPUSH_APPLLIB_OLD_EXP
#endif
#ifndef INCPUSH_SITELIB_STEM
#define INCPUSH_SITELIB_STEM
#endif
#ifndef INCPUSH_PERL_VENDORLIB_STEM
#define INCPUSH_PERL_VENDORLIB_STEM
#endif
#ifndef INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
#define INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
#endif
#endif /* DEFINE_INC_MACROS */