| AC_INIT([libusb], [0.9.0]) |
| AM_INIT_AUTOMAKE |
| AC_CONFIG_SRCDIR([libusb/core.c]) |
| AM_CONFIG_HEADER([config.h]) |
| |
| 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 $host in |
| *-linux*) |
| AC_DEFINE(OS_LINUX, [], [Linux backend]) |
| AC_SUBST(OS_LINUX) |
| AC_MSG_RESULT([Linux]) |
| backend="linux" |
| ;; |
| *) |
| AC_MSG_ERROR([unsupported operating system]) |
| esac |
| |
| AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"]) |
| |
| # Library versioning |
| lt_major="0" |
| lt_revision="0" |
| lt_age="0" |
| AC_SUBST(lt_major) |
| AC_SUBST(lt_revision) |
| AC_SUBST(lt_age) |
| |
| # 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" |
| |
| AC_DEFINE([API_EXPORTED], [__attribute__((visibility("default")))], [Default visibility]) |
| AM_CFLAGS="-std=gnu99 $inline_cflags -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow" |
| AC_SUBST(AM_CFLAGS) |
| |
| AC_CONFIG_FILES([libusb-1.0.pc] [Makefile] [libusb/Makefile] [examples/Makefile] [doc/Makefile]) |
| AC_OUTPUT |
| |