1 AC_INIT([libusb], [1.0.0])
3 AC_CONFIG_SRCDIR([libusb/core.c])
4 AM_CONFIG_HEADER([config.h])
11 AC_DEFINE([_GNU_SOURCE], [], [Use GNU extensions])
13 AC_MSG_CHECKING([operating system])
16 AC_DEFINE(OS_LINUX, [], [Linux backend])
18 AC_MSG_RESULT([Linux])
20 AC_CHECK_LIB(rt, clock_gettime)
23 AC_MSG_ERROR([unsupported operating system])
26 AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"])
37 AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
38 [log_enabled=$enableval],
40 if test "x$log_enabled" != "xno"; then
41 AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
44 AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
45 [enable debug logging (default n)])],
46 [debug_log_enabled=$enableval],
47 [debug_log_enabled='no'])
48 if test "x$debug_log_enabled" != "xno"; then
49 AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Debug message logging])
53 AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
54 [build example applications (default n)])],
55 [build_examples=$enableval],
56 [build_examples='no'])
57 AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
59 # Restore gnu89 inline semantics on gcc 4.3 and newer
60 saved_cflags="$CFLAGS"
61 CFLAGS="$CFLAGS -fgnu89-inline"
62 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), inline_cflags="-fgnu89-inline", inline_cflags="")
63 CFLAGS="$saved_cflags"
65 AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility])
66 AM_CFLAGS="-std=gnu99 $inline_cflags -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow"
69 AC_CONFIG_FILES([libusb-1.0.pc] [Makefile] [libusb/Makefile] [examples/Makefile] [doc/Makefile] [doc/doxygen.cfg])