1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
dnl Copyright (C) 2005-2010 IOhannes m zmölnig
dnl This file is free software; IOhannes m zmölnig
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# PD_CHECK_UNIVERSAL([VARIABLE-NAME], [ACTION-IF-SUCCESS], [ACTION-IF-NO-SUCCESS])
# will enable the "--enable-universal=<ARCHS>" flag
# if <ARCH> is "yes", platform defaults are used
# the system tries to build a test program with the archs, on succes it calls ACTION-IF-SUCCESS, and ACTION-IF-NO-SUCCESS otherwise
# on success it will also add the flags to:
# [VARIABLE-NAME]_CFLAGS will hold a list of cflags to compile for all requested archs
# [VARIABLE-NAME]_LDFLAGS will hold a list of ldflags to link for all requested archs
AC_DEFUN([PD_CHECK_UNIVERSAL],
[
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_ARG_ENABLE(universal,
[ --enable-universal=<ARCHS>
build an Apple Multi Architecture Binary (MAB);
ARCHS is a comma-delimited list of architectures for
which to build; if ARCHS is omitted, then the package
will be built for all architectures supported by the
platform (e.g. "ppc,i386" for MacOS/X and Darwin);
if this option is disabled or omitted entirely, then
the package will be built only for the target
platform],
[universal_binary=$enableval], [universal_binary=no])
if test "$universal_binary" != no; then
AC_MSG_CHECKING([target architectures])
# Respect TARGET_ARCHS setting from environment if available.
if test -z "$TARGET_ARCHS"; then
# Respect ARCH given to --enable-universal-binary if present.
if test "$universal_binary" != yes; then
TARGET_ARCHS=$(echo "$universal_binary" | tr ',' ' ')
else
# Choose a default set of architectures based upon platform.
case $host in
*darwin*)
TARGET_ARCHS="ppc i386"
;;
*)
TARGET_ARCHS=""
;;
esac
fi
fi
AC_MSG_RESULT([$TARGET_ARCHS])
# /usr/lib/arch_tool -archify_list $TARGET_ARCHS
_pd_universal=""
for archs in $TARGET_ARCHS
do
_pd_universal="$_pd_universal -arch $archs"
done
dnl run checks whether the compiler linker like this...
if test "x$_pd_universal" != "x"; then
tmp_arch_cflags="$CFLAGS"
tmp_arch_ldflags="$LDFLAGS"
CFLAGS="$CFLAGS $_pd_universal"
LDFLAGS="$LDFLAGS $_universal"
AC_TRY_LINK([], [return 0;], [
if test "x$1" != "x"; then
$1[]_CFLAGS="$[]$1[]_CFLAGS $_pd_universal"
$1[]_LDFLAGS="$[]$1[]_LDFLAGS $_pd_universal"
AC_SUBST($1[]_CFLAGS)
AC_SUBST($1[]_LDFLAGS)
fi
[$2]
], [
:
[$3]
])
CFLAGS="$tmp_arch_cflags"
LDFLAGS="$tmp_arch_ldflags"
else
:
[$3]
fi
else
:
[$3]
fi
])# GEM_CHECK_UNIVERSAL
|
