AC_INIT([libusb-compat], [0.1.5])

AM_INIT_AUTOMAKE

AC_CONFIG_SRCDIR([libusb/core.c])

AC_CONFIG_HEADERS([config.h])

AC_CONFIG_MACRO_DIR([m4])

AC_PREREQ([2.50])

AC_PROG_CC

AC_PROG_LIBTOOL

AC_C_INLINE

AM_PROG_CC_C_O

# Library versioning

LT_MAJOR="8"

LT_REVISION="4"

LT_AGE="4"

AC_SUBST(LT_MAJOR)

AC_SUBST(LT_REVISION)

AC_SUBST(LT_AGE)

# The libusb-0.1 version we pretend to be

LIBUSB01_VERSION="0.1.12"

AC_SUBST(LIBUSB01_VERSION)

PKG_CHECK_MODULES([LIBUSB_1_0], libusb-1.0 >= 0.9.1)

AC_SUBST(LIBUSB_1_0_CFLAGS)

AC_SUBST(LIBUSB_1_0_LIBS)

# 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.pc] [libusb-config] [Makefile] [libusb/Makefile] [examples/Makefile])

AC_CONFIG_COMMANDS([default],[[chmod +x libusb-config]],[[]])

AC_OUTPUT