AC_PREREQ(2.63)

# Version number. This is currently the only place.

m4_define([HIDAPI_MAJOR], 0)

m4_define([HIDAPI_MINOR], 8)

m4_define([HIDAPI_RELEASE], 0)

m4_define([HIDAPI_RC], -rc1)

m4_define([VERSION_STRING], HIDAPI_MAJOR[.]HIDAPI_MINOR[.]HIDAPI_RELEASE[]HIDAPI_RC)

AC_INIT([hidapi],[VERSION_STRING],[alan@signal11.us])

# Library soname version

# Follow the following rules (particularly the ones in the second link):

# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html

# http://sourceware.org/autobook/autobook/autobook_91.html

lt_current="0"

lt_revision="0"

lt_age="0"

LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}"

AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([foreign -Wall -Werror])

AC_CONFIG_MACRO_DIR([m4])

m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

LT_INIT

AC_PROG_CC

AC_PROG_CXX

AC_PROG_OBJC

PKG_PROG_PKG_CONFIG

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

hidapi_lib_error() {

echo ""

echo " Library $1 was not found on this system."

echo " Please install it and re-run ./configure"

echo ""

exit 1

}

hidapi_prog_error() {

echo ""

echo " Program $1 was not found on this system."

echo " This program is part of $2."

echo " Please install it and re-run ./configure"

echo ""

exit 1

}

AC_MSG_CHECKING([operating system])

AC_MSG_RESULT($host)

case $host in

*-linux*)

AC_MSG_RESULT([ (Linux back-end)])

AC_DEFINE(OS_LINUX, 1, [Linux implementations])

AC_SUBST(OS_LINUX)

backend="linux"

os="linux"

threads="pthreads"

# HIDAPI/hidraw libs

PKG_CHECK_MODULES([libudev], [libudev], true, [hidapi_lib_error libudev])

LIBS_HIDRAW_PR+=" $libudev_LIBS"

CFLAGS_HIDRAW+=" $libudev_CFLAGS"

# HIDAPI/libusb libs

AC_CHECK_LIB([rt], [clock_gettime], [LIBS_LIBUSB_PRIVATE+=" -lrt"], [hidapi_lib_error librt])

PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9], true, [hidapi_lib_error libusb-1.0])

LIBS_LIBUSB_PRIVATE+=" $libusb_LIBS"

CFLAGS_LIBUSB+=" $libusb_CFLAGS"

;;

*-darwin*)

AC_MSG_RESULT([ (Mac OS X back-end)])

AC_DEFINE(OS_DARWIN, 1, [Mac implementation])

AC_SUBST(OS_DARWIN)

backend="mac"

os="darwin"

threads="pthreads"

LIBS="${LIBS} -framework IOKit -framework CoreFoundation"

;;

*-freebsd*)

AC_MSG_RESULT([ (FreeBSD back-end)])

AC_DEFINE(OS_FREEBSD, 1, [FreeBSD implementation])

AC_SUBST(OS_FREEBSD)

backend="libusb"

os="freebsd"

threads="pthreads"

CFLAGS="$CFLAGS -I/usr/local/include"

LDFLAGS="$LDFLAGS -L/usr/local/lib"

LIBS="${LIBS}"

AC_CHECK_LIB([usb], [libusb_init], [LIBS_LIBUSB_PRIVATE="${LIBS_LIBUSB_PRIVATE} -lusb"], [hidapi_lib_error libusb])

AC_CHECK_LIB([iconv], [iconv_open], [LIBS_LIBUSB_PRIVATE="${LIBS_LIBUSB_PRIVATE} -liconv"], [hidapi_lib_error libiconv])

echo libs_priv: $LIBS_LIBUSB_PRIVATE

;;

*-kfreebsd*)

AC_MSG_RESULT([ (kFreeBSD back-end)])

AC_DEFINE(OS_KFREEBSD, 1, [kFreeBSD implementation])

AC_SUBST(OS_KFREEBSD)

backend="libusb"

os="kfreebsd"

threads="pthreads"

AC_CHECK_LIB([usb], [libusb_init], [LIBS_LIBUSB_PRIVATE="${LIBS_LIBUSB_PRIVATE} -lusb"], [hidapi_lib_error libusb])

echo libs_priv: $LIBS_LIBUSB_PRIVATE

;;

*-mingw*)

AC_MSG_RESULT([ (Windows back-end, using MinGW)])

backend="windows"

os="windows"

threads="windows"

win_implementation="mingw"

;;

*-cygwin*)

AC_MSG_RESULT([ (Windows back-end, using Cygwin)])

backend="windows"

os="windows"

threads="windows"

win_implementation="cygwin"

;;

*)

AC_MSG_ERROR([HIDAPI is not supported on your operating system yet])

esac

LIBS_HIDRAW="${LIBS} ${LIBS_HIDRAW_PR}"

LIBS_LIBUSB="${LIBS} ${LIBS_LIBUSB_PRIVATE}"

AC_SUBST([LIBS_HIDRAW])

AC_SUBST([LIBS_LIBUSB])

AC_SUBST([CFLAGS_LIBUSB])

AC_SUBST([CFLAGS_HIDRAW])

if test "x$os" = xwindows; then

AC_DEFINE(OS_WINDOWS, 1, [Windows implementations])

AC_SUBST(OS_WINDOWS)

LDFLAGS="${LDFLAGS} -no-undefined"

LIBS="${LIBS} -lsetupapi"

fi

if test "x$threads" = xpthreads; then

AX_PTHREAD([found_pthreads=yes], [found_pthreads=no])

if test "x$found_pthreads" = xyes; then

if test "x$os" = xlinux; then

# Only use pthreads for libusb implementation on Linux.

LIBS_LIBUSB="$PTHREAD_LIBS $LIBS_LIBUSB"

CFLAGS_LIBUSB="$CFLAGS_LIBUSB $PTHREAD_CFLAGS"

# There's no separate CC on Linux for threading,

# so it's ok that both implementations use $PTHREAD_CC

CC="$PTHREAD_CC"

else

LIBS="$PTHREAD_LIBS $LIBS"

CFLAGS="$CFLAGS $PTHREAD_CFLAGS"

CC="$PTHREAD_CC"

fi

fi

fi

# Test GUI

AC_ARG_ENABLE([testgui],

[AS_HELP_STRING([--enable-testgui],

[enable building of test GUI (default n)])],

[testgui_enabled=$enableval],

[testgui_enabled='no'])

AM_CONDITIONAL([BUILD_TESTGUI], [test "x$testgui_enabled" != "xno"])

# Configure the MacOS TestGUI app bundle

rm -Rf testgui/TestGUI.app

mkdir -p testgui/TestGUI.app

cp -R ${srcdir}/testgui/TestGUI.app.in/* testgui/TestGUI.app

chmod -R u+w testgui/TestGUI.app

mkdir testgui/TestGUI.app/Contents/MacOS/

if test "x$testgui_enabled" != "xno"; then

if test "x$os" = xdarwin; then

# On Mac OS, don't use pkg-config.

AC_CHECK_PROG([foxconfig], [fox-config], [fox-config], false)

if test "x$foxconfig" = "xfalse"; then

hidapi_prog_error fox-config "FOX Toolkit"

fi

LIBS_TESTGUI+=`$foxconfig --libs`

LIBS_TESTGUI+=" -framework Cocoa -L/usr/X11R6/lib"

CFLAGS_TESTGUI+=`$foxconfig --cflags`

OBJCFLAGS+=" -x objective-c++"

elif test "x$os" = xwindows; then

# On Windows, just set the paths for Fox toolkit

if test "x$win_implementation" = xmingw; then

CFLAGS_TESTGUI="-I\$(srcdir)/../../hidapi-externals/fox/include -g -c"

LIBS_TESTGUI=" -mwindows \$(srcdir)/../../hidapi-externals/fox/lib/libFOX-1.6.a -lgdi32 -Wl,--enable-auto-import -static-libgcc -static-libstdc++ -lkernel32"

else

# Cygwin

CFLAGS_TESTGUI="-DWIN32 -I\$(srcdir)/../../hidapi-externals/fox/include -g -c"

LIBS_TESTGUI="\$(srcdir)/../../hidapi-externals/fox/lib/libFOX-cygwin-1.6.a -lgdi32 -Wl,--enable-auto-import -static-libgcc -static-libstdc++ -lkernel32"

fi

else

# On Linux and FreeBSD platforms, use pkg-config to find fox.

PKG_CHECK_MODULES([fox], [fox17], [], [PKG_CHECK_MODULES([fox], [fox])])

LIBS_TESTGUI="${LIBS_TESTGUI} $fox_LIBS"

if test "x$os" = xfreebsd; then

LIBS_TESTGUI="${LIBS_TESTGUI} -L/usr/local/lib"

fi

CFLAGS_TESTGUI="${CFLAGS_TESTGUI} $fox_CFLAGS"

fi

fi

AC_SUBST([LIBS_TESTGUI])

AC_SUBST([CFLAGS_TESTGUI])

AC_SUBST([backend])

# OS info for Automake

AM_CONDITIONAL(OS_LINUX, test "x$os" = xlinux)

AM_CONDITIONAL(OS_DARWIN, test "x$os" = xdarwin)

AM_CONDITIONAL(OS_FREEBSD, test "x$os" = xfreebsd)

AM_CONDITIONAL(OS_KFREEBSD, test "x$os" = xkfreebsd)

AM_CONDITIONAL(OS_WINDOWS, test "x$os" = xwindows)

AC_CONFIG_HEADERS([config.h])

if test "x$os" = "xlinux"; then

AC_CONFIG_FILES([pc/hidapi-hidraw.pc])

AC_CONFIG_FILES([pc/hidapi-libusb.pc])

else

AC_CONFIG_FILES([pc/hidapi.pc])

fi

AC_SUBST(LTLDFLAGS)

AC_CONFIG_FILES([Makefile \

hidtest/Makefile \

libusb/Makefile \

linux/Makefile \

mac/Makefile \

testgui/Makefile \

windows/Makefile])

AC_OUTPUT