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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
m4_define(LIBUSB_MAJOR, [1])
m4_define(LIBUSB_MINOR, [0])
m4_define(LIBUSB_MICRO, [8])
AC_INIT([libusb], LIBUSB_MAJOR.LIBUSB_MINOR.LIBUSB_MICRO, [libusb-devel@lists.sourceforge.net], [libusb], [http://www.libusb.org/])
AC_SUBST([LIBUSB_VERSION_MAJOR], [LIBUSB_MAJOR])
AC_SUBST([LIBUSB_VERSION_MINOR], [LIBUSB_MINOR])
AC_SUBST([LIBUSB_VERSION_MICRO], [LIBUSB_MICRO])
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])
AM_MAINTAINER_MODE
AC_MSG_CHECKING([operating system])
case $host in
*-linux*)
AC_DEFINE(OS_LINUX, [], [Linux backend])
AC_SUBST(OS_LINUX)
AC_DEFINE([THREADS_POSIX], [], [Use Posix Threads])
AC_MSG_RESULT([Linux])
backend="linux"
AC_CHECK_LIB(rt, clock_gettime)
threads="posix"
THREAD_CFLAGS="-pthread"
AM_CFLAGS="-std=gnu99"
AM_LDFLAGS=""
;;
*-darwin*)
AC_DEFINE(OS_DARWIN, [], [Darwin backend])
AC_SUBST(OS_DARWIN)
AC_DEFINE([THREADS_POSIX], [], [Use Posix Threads])
AC_DEFINE(USBI_OS_HANDLES_TIMEOUT, [], [Backend handles timeout])
AC_MSG_RESULT([Darwin/MacOS X])
backend="darwin"
threads="posix"
THREAD_CFLAGS="-pthread"
AM_CFLAGS="-std=gnu99"
AM_LDFLAGS="-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -Wl,-prebind -no-undefined"
;;
*-mingw*)
AC_DEFINE(OS_WINDOWS, [], [Windows backend])
AC_SUBST(OS_WINDOWS)
AC_MSG_RESULT([Windows])
backend="windows"
threads="windows"
create_import_lib="yes"
LIBS="-lsetupapi -lole32 -ladvapi32"
# -avoid-version to avoid a naming scheme such as libusb-0.dll
AM_LDFLAGS="-no-undefined -avoid-version -Wl,--add-stdcall-alias"
AM_CFLAGS="-std=c99"
AC_CHECK_TOOL(RC, windres, no)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
;;
*-cygwin*)
AC_DEFINE(OS_WINDOWS, [], [Windows backend])
AC_SUBST(OS_WINDOWS)
AC_DEFINE([THREADS_POSIX], [], [Use Posix Threads])
AC_MSG_RESULT([Windows])
backend="windows"
threads="posix"
LIBS="-lsetupapi -lole32 -ladvapi32"
AM_CFLAGS="-std=c99"
AM_LDFLAGS="-no-undefined -avoid-version"
AC_CHECK_TOOL(RC, windres, no)
;;
*)
AC_MSG_ERROR([unsupported operating system])
esac
AM_CONDITIONAL([OS_LINUX], [test "x$backend" = "xlinux"])
AM_CONDITIONAL([OS_DARWIN], [test "x$backend" = "xdarwin"])
AM_CONDITIONAL([OS_WINDOWS], [test "x$backend" = "xwindows"])
AM_CONDITIONAL([THREADS_POSIX], [test "x$threads" = "xposix"])
AM_CONDITIONAL([CREATE_IMPORT_LIB], [test "x$create_import_lib" = "xyes"])
# 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
AC_CHECK_TYPES(struct timespec)
# 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=$enableval],
[debug_log_enabled='no'])
AC_ARG_ENABLE([toggable-debug], [AS_HELP_STRING([--enable-toggable-debug],
[enable software control of debug logging (default n)])],
[toggable_debug=$enableval],
[toggable_debug='no'])
if test "x$debug_log_enabled" != "xno"; then
AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Debug message logging])
else
if test "x$toggable_debug" != "xno"; then
AC_DEFINE([INCLUDE_DEBUG_LOGGING], 1, [Debug message logging (toggable)])
fi
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"
# -Werror required for cygwin
CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
[VISIBILITY_CFLAGS="-fvisibility=hidden"
AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility]) ],
[ VISIBILITY_CFLAGS=""
AC_DEFINE([API_EXPORTED], [], [Default visibility]) ],
])
CFLAGS="$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="$saved_cflags"
# sigaction not available on MinGW
AC_CHECK_FUNC([sigaction], [have_sigaction=yes], [have_sigaction=no])
AM_CONDITIONAL([HAVE_SIGACTION], [test "x$have_sigaction" = "xyes"])
# headers not available on all platforms but required on others
AC_CHECK_HEADERS([sys/time.h])
AC_SUBST([THREAD_CFLAGS])
AM_CFLAGS="$AM_CFLAGS $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] [libusb/libusb-1.0.rc] [examples/Makefile] [doc/Makefile] [doc/doxygen.cfg])
AC_OUTPUT
|
