root / autotools / ac_ghc_pkg.m4 @ 2c04ae0d
History | View | Annotate | Download (2.1 kB)
1 | 21a5e56c | Iustin Pop | ##### |
---|---|---|---|
2 | 21a5e56c | Iustin Pop | |
3 | 21a5e56c | Iustin Pop | # Copyright (C) 2012 Google Inc. |
4 | 21a5e56c | Iustin Pop | # |
5 | 21a5e56c | Iustin Pop | # This program is free software; you can redistribute it and/or modify |
6 | 21a5e56c | Iustin Pop | # it under the terms of the GNU General Public License as published by |
7 | 21a5e56c | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or |
8 | 21a5e56c | Iustin Pop | # (at your option) any later version. |
9 | 21a5e56c | Iustin Pop | # |
10 | 21a5e56c | Iustin Pop | # This program is distributed in the hope that it will be useful, but |
11 | 21a5e56c | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | 21a5e56c | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | 21a5e56c | Iustin Pop | # General Public License for more details. |
14 | 21a5e56c | Iustin Pop | # |
15 | 21a5e56c | Iustin Pop | # You should have received a copy of the GNU General Public License |
16 | 21a5e56c | Iustin Pop | # along with this program; if not, write to the Free Software |
17 | 21a5e56c | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | 21a5e56c | Iustin Pop | # 02110-1301, USA. |
19 | 21a5e56c | Iustin Pop | |
20 | 21a5e56c | Iustin Pop | ##### |
21 | 21a5e56c | Iustin Pop | # |
22 | 21a5e56c | Iustin Pop | # SYNOPSIS |
23 | 21a5e56c | Iustin Pop | # |
24 | 21a5e56c | Iustin Pop | # AC_GHC_PKG_CHECK(modname, action_found, action_not_found, extended) |
25 | 21a5e56c | Iustin Pop | # |
26 | 21a5e56c | Iustin Pop | # DESCRIPTION |
27 | 21a5e56c | Iustin Pop | # |
28 | 21a5e56c | Iustin Pop | # Checks for a Haskell (GHC) module. If found, execute the second |
29 | 21a5e56c | Iustin Pop | # argument, if not found, the third one. |
30 | 21a5e56c | Iustin Pop | # |
31 | 21a5e56c | Iustin Pop | # If the fourth argument is non-empty, then the check will be some |
32 | 21a5e56c | Iustin Pop | # via 'ghc-pkg list' (which supports patterns), otherwise it will |
33 | 21a5e56c | Iustin Pop | # use just 'ghc-pkg latest'. |
34 | 21a5e56c | Iustin Pop | # |
35 | 21a5e56c | Iustin Pop | # |
36 | 21a5e56c | Iustin Pop | ##### |
37 | 21a5e56c | Iustin Pop | |
38 | 21a5e56c | Iustin Pop | AC_DEFUN([AC_GHC_PKG_CHECK],[ |
39 | 21a5e56c | Iustin Pop | if test -z $GHC_PKG; then |
40 | 21a5e56c | Iustin Pop | AC_MSG_ERROR([GHC_PKG not defined]) |
41 | 21a5e56c | Iustin Pop | fi |
42 | 21a5e56c | Iustin Pop | AC_MSG_CHECKING([haskell library $1]) |
43 | 21a5e56c | Iustin Pop | if test -n "$4"; then |
44 | 21a5e56c | Iustin Pop | GHC_PKG_RESULT=$($GHC_PKG --simple-output list '$1'|tail -n1) |
45 | 21a5e56c | Iustin Pop | else |
46 | 21a5e56c | Iustin Pop | GHC_PKG_RESULT=$($GHC_PKG latest '$1' 2>/dev/null) |
47 | 21a5e56c | Iustin Pop | fi |
48 | 21a5e56c | Iustin Pop | if test -n "$GHC_PKG_RESULT"; then |
49 | 21a5e56c | Iustin Pop | AC_MSG_RESULT($GHC_PKG_RESULT) |
50 | 21a5e56c | Iustin Pop | $2 |
51 | 21a5e56c | Iustin Pop | else |
52 | 21a5e56c | Iustin Pop | AC_MSG_RESULT([no]) |
53 | 21a5e56c | Iustin Pop | $3 |
54 | 21a5e56c | Iustin Pop | fi |
55 | 21a5e56c | Iustin Pop | ]) |
56 | 21a5e56c | Iustin Pop | |
57 | 21a5e56c | Iustin Pop | ##### |
58 | 21a5e56c | Iustin Pop | # |
59 | 21a5e56c | Iustin Pop | # SYNOPSIS |
60 | 21a5e56c | Iustin Pop | # |
61 | 21a5e56c | Iustin Pop | # AC_GHC_PKG_REQUIRE(modname, extended) |
62 | 21a5e56c | Iustin Pop | # |
63 | 21a5e56c | Iustin Pop | # DESCRIPTION |
64 | 21a5e56c | Iustin Pop | # |
65 | 21a5e56c | Iustin Pop | # Checks for a Haskell (GHC) module, and abort if not found. If the |
66 | 21a5e56c | Iustin Pop | # second argument is non-empty, then the check will be some via |
67 | 21a5e56c | Iustin Pop | # 'ghc-pkg list' (which supports patterns), otherwise it will use |
68 | 21a5e56c | Iustin Pop | # just 'ghc-pkg latest'. |
69 | 21a5e56c | Iustin Pop | # |
70 | 21a5e56c | Iustin Pop | # |
71 | 21a5e56c | Iustin Pop | ##### |
72 | 21a5e56c | Iustin Pop | |
73 | 21a5e56c | Iustin Pop | AC_DEFUN([AC_GHC_PKG_REQUIRE],[ |
74 | 21a5e56c | Iustin Pop | AC_GHC_PKG_CHECK($1, [], |
75 | 21a5e56c | Iustin Pop | [AC_MSG_FAILURE([Required Haskell module $1 not found])], |
76 | 21a5e56c | Iustin Pop | $2) |
77 | 21a5e56c | Iustin Pop | ]) |