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Promote v5.36 usage and feature bundles doc
[perl5.git] / perl_inc_macro.h
1 /* just define a list of macros to push elements in INC
2 *  so we can easily use them and change order on demand
3 *
4 * list of available INCPUSH macros
5 * - INCPUSH_APPLLIB_EXP
6 * - INCPUSH_SITEARCH_EXP
7 * - INCPUSH_SITELIB_EXP
8 * - INCPUSH_PERL_VENDORARCH_EXP
9 * - INCPUSH_PERL_VENDORLIB_EXP
10 * - INCPUSH_ARCHLIB_EXP
11 * - INCPUSH_PRIVLIB_EXP
12 * - INCPUSH_PERL_OTHERLIBDIRS
13 * - INCPUSH_PERL5LIB
14 * - INCPUSH_APPLLIB_OLD_EXP
15 * - INCPUSH_SITELIB_STEM
16 * - INCPUSH_PERL_VENDORLIB_STEM
17 * - INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
18 */
19
20 #ifndef DEFINE_INC_MACROS
21
22 /* protect against multiple inclusions */
23 #define DEFINE_INC_MACROS 1
24
25 #ifdef APPLLIB_EXP
26 #       define INCPUSH_APPLLIB_EXP  S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), \
27                       INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
28 #endif
29
30 #ifdef SITEARCH_EXP
31     /* sitearch is always relative to sitelib on Windows for
32      * DLL-based path intuition to work correctly */
33 #  if !defined(WIN32)
34 #       define INCPUSH_SITEARCH_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), \
35                           INCPUSH_CAN_RELOCATE);
36 #  endif
37 #endif
38
39 #ifdef SITELIB_EXP
40 #  if defined(WIN32)
41     /* this picks up sitearch as well */
42 #         define INCPUSH_SITELIB_EXP s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); \
43                 if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
44 #  else
45 #         define INCPUSH_SITELIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), \
46                 INCPUSH_CAN_RELOCATE);
47 #  endif
48 #endif
49
50 #ifdef PERL_VENDORARCH_EXP
51     /* vendorarch is always relative to vendorlib on Windows for
52      * DLL-based path intuition to work correctly */
53 #  if !defined(WIN32)
54 #               define INCPUSH_PERL_VENDORARCH_EXP  S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), INCPUSH_CAN_RELOCATE);
55 #  endif
56 #endif
57
58 #ifdef PERL_VENDORLIB_EXP
59 #  if defined(WIN32)
60     /* this picks up vendorarch as well */
61 #               define INCPUSH_PERL_VENDORLIB_EXP s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); \
62                         if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
63 #  else
64 #               define INCPUSH_PERL_VENDORLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), INCPUSH_CAN_RELOCATE);
65 #  endif
66 #endif
67
68 #ifdef ARCHLIB_EXP
69 #       define INCPUSH_ARCHLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE);
70 #endif
71
72 /* used by INCPUSH_PRIVLIB_EXP */
73 #ifndef PRIVLIB_EXP
74 #  define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
75 #endif
76
77 #if defined(WIN32)
78 #       define INCPUSH_PRIVLIB_EXP s = PerlEnv_lib_path(PERL_FS_VERSION, &len); \
79     if (s) incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE);
80 #else
81 #       define INCPUSH_PRIVLIB_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE);
82 #endif
83
84 #ifdef PERL_OTHERLIBDIRS
85 #       define INCPUSH_PERL_OTHERLIBDIRS S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), \
86                       INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE);
87 #endif
88
89
90 /* submacros for INCPUSH_PERL5LIB */
91
92 #define _INCPUSH_PERL5LIB_IF    if (perl5lib && *perl5lib != '\0')
93
94 #ifndef VMS
95 # define _INCPUSH_PERL5LIB_ADD _INCPUSH_PERL5LIB_IF incpush_use_sep(perl5lib, 0, INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR);
96 #else
97 /* VMS */
98         /* Treat PERL5?LIB as a possible search list logical name -- the
99          * "natural" VMS idiom for a Unix path string.  We allow each
100          * element to be a set of |-separated directories for compatibility.
101          */
102 # define _INCPUSH_PERL5LIB_ADD char buf[256]; \
103         int idx = 0; \
104         if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) \
105             do { \
106                 incpush_use_sep(buf, 0, \
107                                 INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); \
108             } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0));
109 #endif
110
111 /* this macro is special and use submacros from above */
112 #define INCPUSH_PERL5LIB if (!TAINTING_get) { _INCPUSH_PERL5LIB_ADD }
113
114 /* Use the ~-expanded versions of APPLLIB (undocumented),
115     SITELIB and VENDORLIB for older versions
116 */
117 #ifdef APPLLIB_EXP
118 #       define INCPUSH_APPLLIB_OLD_EXP S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), \
119             INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE);
120 #endif
121
122 #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST)
123     /* Search for version-specific dirs below here */
124 #       define INCPUSH_SITELIB_STEM   S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), \
125                       INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE);
126 #endif
127
128
129 #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST)
130     /* Search for version-specific dirs below here */
131 #       define INCPUSH_PERL_VENDORLIB_STEM    S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), \
132                       INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE);
133 #endif
134
135 #ifdef PERL_OTHERLIBDIRS
136 #       define INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY  S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), \
137                       INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_CAN_RELOCATE);
138 #endif
139
140
141 /* define all undefined macros... */
142 #ifndef INCPUSH_APPLLIB_EXP
143 #define INCPUSH_APPLLIB_EXP
144 #endif
145 #ifndef INCPUSH_SITEARCH_EXP
146 #define INCPUSH_SITEARCH_EXP
147 #endif
148 #ifndef INCPUSH_SITELIB_EXP
149 #define INCPUSH_SITELIB_EXP
150 #endif
151 #ifndef INCPUSH_PERL_VENDORARCH_EXP
152 #define INCPUSH_PERL_VENDORARCH_EXP
153 #endif
154 #ifndef INCPUSH_PERL_VENDORLIB_EXP
155 #define INCPUSH_PERL_VENDORLIB_EXP
156 #endif
157 #ifndef INCPUSH_ARCHLIB_EXP
158 #define INCPUSH_ARCHLIB_EXP
159 #endif
160 #ifndef INCPUSH_PRIVLIB_EXP
161 #define INCPUSH_PRIVLIB_EXP
162 #endif
163 #ifndef INCPUSH_PERL_OTHERLIBDIRS
164 #define INCPUSH_PERL_OTHERLIBDIRS
165 #endif
166 #ifndef INCPUSH_PERL5LIB
167 #define INCPUSH_PERL5LIB
168 #endif
169 #ifndef INCPUSH_APPLLIB_OLD_EXP
170 #define INCPUSH_APPLLIB_OLD_EXP
171 #endif
172 #ifndef INCPUSH_SITELIB_STEM
173 #define INCPUSH_SITELIB_STEM
174 #endif
175 #ifndef INCPUSH_PERL_VENDORLIB_STEM
176 #define INCPUSH_PERL_VENDORLIB_STEM
177 #endif
178 #ifndef INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
179 #define INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY
180 #endif
181
182 #endif /* DEFINE_INC_MACROS */