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Diffstat (limited to 'third_party/libusb/configure.ac')
| -rw-r--r-- | third_party/libusb/configure.ac | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/third_party/libusb/configure.ac b/third_party/libusb/configure.ac new file mode 100644 index 0000000..8020907 --- /dev/null +++ b/third_party/libusb/configure.ac @@ -0,0 +1,198 @@ +dnl These m4 macros are whitespace sensitive and break if moved around much. +m4_define([LU_VERSION_H], m4_include([libusb/version.h])) +m4_define([LU_DEFINE_VERSION_ATOM], + [m4_define([$1], m4_bregexp(LU_VERSION_H, + [^#define\s*$1\s*\([0-9]*\).*], [\1]))]) +m4_define([LU_DEFINE_VERSION_RC_ATOM], + [m4_define([$1], m4_bregexp(LU_VERSION_H, + [^#define\s*$1\s*"\(-rc[0-9]*\)".*], [\1]))]) +dnl The m4_bregexp() returns (only) the numbers following the #define named +dnl in the first macro parameter. m4_define() then defines the name for use +dnl in AC_INIT(). + +LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR]) +LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR]) +LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO]) +LU_DEFINE_VERSION_RC_ATOM([LIBUSB_RC]) + +AC_INIT([libusb], LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC, [libusb-devel@lists.sourceforge.net], [libusb], [http://www.libusb.org/]) + +# Library versioning +# These numbers should be tweaked on every release. Read carefully: +# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html +# http://sourceware.org/autobook/autobook/autobook_91.html +lt_current="1" +lt_revision="0" +lt_age="1" +LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}" + +AM_INIT_AUTOMAKE +AM_MAINTAINER_MODE + +AC_CONFIG_SRCDIR([libusb/core.c]) +AC_CONFIG_MACRO_DIR([m4]) +AM_CONFIG_HEADER([config.h]) +m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])]) + +AC_PREREQ([2.50]) +AC_PROG_CC +AC_PROG_LIBTOOL +AC_C_INLINE +AM_PROG_CC_C_O +AC_DEFINE([_GNU_SOURCE], 1, [Use GNU extensions]) + +LTLDFLAGS="${LTLDFLAGS} -no-undefined" + +AC_MSG_CHECKING([operating system]) +case $host in +*-linux*) + AC_DEFINE(OS_LINUX, 1, [Linux backend]) + AC_SUBST(OS_LINUX) + AC_MSG_RESULT([Linux]) + backend="linux" + AC_CHECK_LIB(rt, clock_gettime, PC_LIBS_PRIVATE="-lrt") + threads="posix" + THREAD_CFLAGS="-pthread" + PC_LIBS_PRIVATE="${PC_LIBS_PRIVATE} -pthread" + AC_CHECK_HEADERS([poll.h]) + AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument]) + ;; +*-darwin*) + AC_DEFINE(OS_DARWIN, 1, [Darwin backend]) + AC_SUBST(OS_DARWIN) + AC_MSG_RESULT([Darwin/Mac OS X]) + backend="darwin" + threads="posix" + LIBS="${LIBS} -lobjc" + PC_LIBS_PRIVATE="-Wl,-framework,IOKit -Wl,-framework,CoreFoundation" + LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind" + AC_CHECK_HEADERS([poll.h]) + AC_CHECK_TYPE([nfds_t], + [AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])], + [AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])], + [#include <poll.h>]) + ;; +*-mingw*) + AC_MSG_RESULT([Windows]) + backend="windows" + ;; +*-cygwin*) + AC_MSG_RESULT([Cygwin (using Windows backend)]) + backend="windows" + threads="posix" + ;; +*) + AC_MSG_ERROR([unsupported operating system]) +esac +if test "$backend" = windows; then + AC_DEFINE(OS_WINDOWS, 1, [Windows backend]) + AC_SUBST(OS_WINDOWS) + PC_LIBS_PRIVATE="" + LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias" + AC_CHECK_TOOL(RC, windres, no) + AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument]) +fi +AC_SUBST(THREAD_CFLAGS) +AC_SUBST(PC_LIBS_PRIVATE) +LIBS="${LIBS} ${PC_LIBS_PRIVATE}" + +AM_CONDITIONAL(OS_LINUX, test "x$backend" = xlinux) +AM_CONDITIONAL(OS_DARWIN, test "x$backend" = xdarwin) +AM_CONDITIONAL(OS_WINDOWS, test "x$backend" = xwindows) +AM_CONDITIONAL(THREADS_POSIX, test "x$threads" = xposix) +if test "$threads" = posix; then + AC_DEFINE(THREADS_POSIX, 1, [Use POSIX Threads]) +fi + +# 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, 1, [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=$enableval], + [debug_log_enabled='no']) +if test "x$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"]) + +# 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([DEFAULT_VISIBILITY], [__attribute__((visibility("default")))], [Default visibility]) ], + [ VISIBILITY_CFLAGS="" + AC_DEFINE([DEFAULT_VISIBILITY], [], [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]) + +AM_CFLAGS="-std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow" + +AC_SUBST(VISIBILITY_CFLAGS) +AC_SUBST(AM_CFLAGS) +AC_SUBST(LTLDFLAGS) + +AC_CONFIG_FILES([libusb-1.0.pc]) +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_FILES([libusb/Makefile]) +AC_CONFIG_FILES([examples/Makefile]) +AC_CONFIG_FILES([doc/Makefile]) +AC_CONFIG_FILES([doc/doxygen.cfg]) +AC_OUTPUT |