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Diffstat (limited to 'm4/lib-prefix.m4')
-rw-r--r-- | m4/lib-prefix.m4 | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 new file mode 100644 index 00000000..8aff5a9d --- /dev/null +++ b/m4/lib-prefix.m4 | |||
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1 | # lib-prefix.m4 serial 3 (gettext-0.13) | ||
2 | dnl Copyright (C) 2001-2003 Free Software Foundation, Inc. | ||
3 | dnl This file is free software, distributed under the terms of the GNU | ||
4 | dnl General Public License. As a special exception to the GNU General | ||
5 | dnl Public License, this file may be distributed as part of a program | ||
6 | dnl that contains a configuration script generated by Autoconf, under | ||
7 | dnl the same distribution terms as the rest of that program. | ||
8 | |||
9 | dnl From Bruno Haible. | ||
10 | |||
11 | dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and | ||
12 | dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't | ||
13 | dnl require excessive bracketing. | ||
14 | ifdef([AC_HELP_STRING], | ||
15 | [AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], | ||
16 | [AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) | ||
17 | |||
18 | dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed | ||
19 | dnl to access previously installed libraries. The basic assumption is that | ||
20 | dnl a user will want packages to use other packages he previously installed | ||
21 | dnl with the same --prefix option. | ||
22 | dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate | ||
23 | dnl libraries, but is otherwise very convenient. | ||
24 | AC_DEFUN([AC_LIB_PREFIX], | ||
25 | [ | ||
26 | AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) | ||
27 | AC_REQUIRE([AC_PROG_CC]) | ||
28 | AC_REQUIRE([AC_CANONICAL_HOST]) | ||
29 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) | ||
30 | dnl By default, look in $includedir and $libdir. | ||
31 | use_additional=yes | ||
32 | AC_LIB_WITH_FINAL_PREFIX([ | ||
33 | eval additional_includedir=\"$includedir\" | ||
34 | eval additional_libdir=\"$libdir\" | ||
35 | ]) | ||
36 | AC_LIB_ARG_WITH([lib-prefix], | ||
37 | [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib | ||
38 | --without-lib-prefix don't search for libraries in includedir and libdir], | ||
39 | [ | ||
40 | if test "X$withval" = "Xno"; then | ||
41 | use_additional=no | ||
42 | else | ||
43 | if test "X$withval" = "X"; then | ||
44 | AC_LIB_WITH_FINAL_PREFIX([ | ||
45 | eval additional_includedir=\"$includedir\" | ||
46 | eval additional_libdir=\"$libdir\" | ||
47 | ]) | ||
48 | else | ||
49 | additional_includedir="$withval/include" | ||
50 | additional_libdir="$withval/lib" | ||
51 | fi | ||
52 | fi | ||
53 | ]) | ||
54 | if test $use_additional = yes; then | ||
55 | dnl Potentially add $additional_includedir to $CPPFLAGS. | ||
56 | dnl But don't add it | ||
57 | dnl 1. if it's the standard /usr/include, | ||
58 | dnl 2. if it's already present in $CPPFLAGS, | ||
59 | dnl 3. if it's /usr/local/include and we are using GCC on Linux, | ||
60 | dnl 4. if it doesn't exist as a directory. | ||
61 | if test "X$additional_includedir" != "X/usr/include"; then | ||
62 | haveit= | ||
63 | for x in $CPPFLAGS; do | ||
64 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | ||
65 | if test "X$x" = "X-I$additional_includedir"; then | ||
66 | haveit=yes | ||
67 | break | ||
68 | fi | ||
69 | done | ||
70 | if test -z "$haveit"; then | ||
71 | if test "X$additional_includedir" = "X/usr/local/include"; then | ||
72 | if test -n "$GCC"; then | ||
73 | case $host_os in | ||
74 | linux*) haveit=yes;; | ||
75 | esac | ||
76 | fi | ||
77 | fi | ||
78 | if test -z "$haveit"; then | ||
79 | if test -d "$additional_includedir"; then | ||
80 | dnl Really add $additional_includedir to $CPPFLAGS. | ||
81 | CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" | ||
82 | fi | ||
83 | fi | ||
84 | fi | ||
85 | fi | ||
86 | dnl Potentially add $additional_libdir to $LDFLAGS. | ||
87 | dnl But don't add it | ||
88 | dnl 1. if it's the standard /usr/lib, | ||
89 | dnl 2. if it's already present in $LDFLAGS, | ||
90 | dnl 3. if it's /usr/local/lib and we are using GCC on Linux, | ||
91 | dnl 4. if it doesn't exist as a directory. | ||
92 | if test "X$additional_libdir" != "X/usr/lib"; then | ||
93 | haveit= | ||
94 | for x in $LDFLAGS; do | ||
95 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | ||
96 | if test "X$x" = "X-L$additional_libdir"; then | ||
97 | haveit=yes | ||
98 | break | ||
99 | fi | ||
100 | done | ||
101 | if test -z "$haveit"; then | ||
102 | if test "X$additional_libdir" = "X/usr/local/lib"; then | ||
103 | if test -n "$GCC"; then | ||
104 | case $host_os in | ||
105 | linux*) haveit=yes;; | ||
106 | esac | ||
107 | fi | ||
108 | fi | ||
109 | if test -z "$haveit"; then | ||
110 | if test -d "$additional_libdir"; then | ||
111 | dnl Really add $additional_libdir to $LDFLAGS. | ||
112 | LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" | ||
113 | fi | ||
114 | fi | ||
115 | fi | ||
116 | fi | ||
117 | fi | ||
118 | ]) | ||
119 | |||
120 | dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, | ||
121 | dnl acl_final_exec_prefix, containing the values to which $prefix and | ||
122 | dnl $exec_prefix will expand at the end of the configure script. | ||
123 | AC_DEFUN([AC_LIB_PREPARE_PREFIX], | ||
124 | [ | ||
125 | dnl Unfortunately, prefix and exec_prefix get only finally determined | ||
126 | dnl at the end of configure. | ||
127 | if test "X$prefix" = "XNONE"; then | ||
128 | acl_final_prefix="$ac_default_prefix" | ||
129 | else | ||
130 | acl_final_prefix="$prefix" | ||
131 | fi | ||
132 | if test "X$exec_prefix" = "XNONE"; then | ||
133 | acl_final_exec_prefix='${prefix}' | ||
134 | else | ||
135 | acl_final_exec_prefix="$exec_prefix" | ||
136 | fi | ||
137 | acl_save_prefix="$prefix" | ||
138 | prefix="$acl_final_prefix" | ||
139 | eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" | ||
140 | prefix="$acl_save_prefix" | ||
141 | ]) | ||
142 | |||
143 | dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the | ||
144 | dnl variables prefix and exec_prefix bound to the values they will have | ||
145 | dnl at the end of the configure script. | ||
146 | AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], | ||
147 | [ | ||
148 | acl_save_prefix="$prefix" | ||
149 | prefix="$acl_final_prefix" | ||
150 | acl_save_exec_prefix="$exec_prefix" | ||
151 | exec_prefix="$acl_final_exec_prefix" | ||
152 | $1 | ||
153 | exec_prefix="$acl_save_exec_prefix" | ||
154 | prefix="$acl_save_prefix" | ||
155 | ]) | ||