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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
AC_INIT([libusb], [1.0.5])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([libusb/core.c])
AC_CONFIG_MACRO_DIR([m4])
AM_CONFIG_HEADER([config.h])
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
AC_PREREQ([2.50])
AC_PROG_CC
AC_PROG_LIBTOOL
AC_C_INLINE
AM_PROG_CC_C_O
AC_DEFINE([_GNU_SOURCE], [], [Use GNU extensions])
AC_MSG_CHECKING([operating system])
case $host in
*-linux*)
AC_DEFINE(OS_LINUX, [], [Linux backend])
AC_SUBST(OS_LINUX)
AC_MSG_RESULT([Linux])
backend="linux"
AC_CHECK_LIB(rt, clock_gettime)
CFLAGS="-pthread"
AM_LDFLAGS=""
;;
*-darwin*)
AC_DEFINE(OS_DARWIN, [], [Darwin backend])
AC_SUBST(OS_DARWIN)
AC_DEFINE(USBI_OS_HANDLES_TIMEOUT, [], [Backend handles timeout])
AC_MSG_RESULT([Darwin/MacOS X])
backend="darwin"
CFLAGS="-pthread"
AM_LDFLAGS="-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -Wl,-prebind -no-undefined"
;;
*-mingw*)
AC_DEFINE(OS_WINDOWS, [], [Windows backend])
AC_SUBST(OS_WINDOWS)
AC_MSG_RESULT([Windows])
backend="windows"
LIBS="-lpthreadGC2 -lsetupapi -lole32"
CFLAGS=""
AM_LDFLAGS=""
;;
*)
AC_MSG_ERROR([unsupported operating system])
esac
AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"])
AM_CONDITIONAL([OS_DARWIN], [test "x$backend" == "xdarwin"])
AM_CONDITIONAL([OS_WINDOWS], [test "x$backend" == "xwindows"])
# Library versioning
lt_major="0"
lt_revision="0"
lt_age="0"
AC_SUBST(lt_major)
AC_SUBST(lt_revision)
AC_SUBST(lt_age)
# timerfd
AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
AC_ARG_ENABLE([timerfd],
[AS_HELP_STRING([--enable-timerfd],
[use timerfd for timing (default auto)])],
[use_timerfd=$enableval], [use_timerfd='auto'])
if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
fi
AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
fi
AC_MSG_CHECKING([whether to use timerfd for timing])
if test "x$use_timerfd" = "xno"; then
AC_MSG_RESULT([no (disabled by user)])
else
if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(USBI_TIMERFD_AVAILABLE, [], [timerfd headers available])
else
AC_MSG_RESULT([no (header not available)])
fi
fi
# Message logging
AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
[log_enabled=$enableval],
[log_enabled='yes'])
if test "x$log_enabled" != "xno"; then
AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
fi
AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
[enable debug logging (default n)])],
[debug_log_enabled=$enableval],
[debug_log_enabled='no'])
if test "x$debug_log_enabled" != "xno"; then
AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Debug message logging])
fi
# Examples build
AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
[build example applications (default n)])],
[build_examples=$enableval],
[build_examples='no'])
AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
# Restore gnu89 inline semantics on gcc 4.3 and newer
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fgnu89-inline"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), inline_cflags="-fgnu89-inline", inline_cflags="")
CFLAGS="$saved_cflags"
# check for -fvisibility=hidden compiler support (GCC >= 3.4)
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
[VISIBILITY_CFLAGS="-fvisibility=hidden"
AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility]) ],
[ VISIBILITY_CFLAGS=""
AC_DEFINE([API_EXPORTED], [], [Default visibility]) ],
])
CFLAGS="$saved_cflags"
# check for -Wno-pointer-sign compiler support (GCC >= 4)
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -Wno-pointer-sign"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
CFLAGS="$saved_cflags"
AM_CFLAGS="-std=gnu99 $inline_cflags -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow"
AC_SUBST(VISIBILITY_CFLAGS)
AC_SUBST(AM_CFLAGS)
AC_SUBST(AM_LDFLAGS)
AC_CONFIG_FILES([libusb-1.0.pc] [Makefile] [libusb/Makefile] [examples/Makefile] [doc/Makefile] [doc/doxygen.cfg])
AC_OUTPUT
|
