+ [enable Agilent DMM support [default=yes]]),
+ [HW_AGILENT_DMM="$enableval"],
+ [HW_AGILENT_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(alsa, AC_HELP_STRING([--enable-alsa],
+ [enable ALSA driver support [default=yes]]),
+ [HW_ALSA="$enableval"],
+ [HW_ALSA=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(appa-55ii, AC_HELP_STRING([--enable-appa-55ii],
+ [enable APPA 55II support [default=yes]]),
+ [HW_APPA_55II="$enableval"],
+ [HW_APPA_55II=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(asix-sigma, AC_HELP_STRING([--enable-asix-sigma],
+ [enable ASIX SIGMA/SIGMA2 support [default=yes]]),
+ [HW_ASIX_SIGMA="$enableval"],
+ [HW_ASIX_SIGMA=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(atten-pps3xxx, AC_HELP_STRING([--enable-atten-pps3xxx],
+ [enable Atten PPS3xxx support [default=yes]]),
+ [HW_ATTEN_PPS3XXX="$enableval"],
+ [HW_ATTEN_PPS3XXX=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(brymen-dmm, AC_HELP_STRING([--enable-brymen-dmm],
+ [enable Brymen DMM support [default=yes]]),
+ [HW_BRYMEN_DMM="$enableval"],
+ [HW_BRYMEN_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(cem-dt-885x, AC_HELP_STRING([--enable-cem-dt-885x],
+ [enable CEM DT-885x support [default=yes]]),
+ [HW_CEM_DT_885X="$enableval"],
+ [HW_CEM_DT_885X=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(center-3xx, AC_HELP_STRING([--enable-center-3xx],
+ [enable Center 3xx support [default=yes]]),
+ [HW_CENTER_3XX="$enableval"],
+ [HW_CENTER_3XX=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(chronovu-la8, AC_HELP_STRING([--enable-chronovu-la8],
+ [enable ChronoVu LA8 support [default=yes]]),
+ [HW_CHRONOVU_LA8="$enableval"],
+ [HW_CHRONOVU_LA8=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(colead-slm, AC_HELP_STRING([--enable-colead-slm],
+ [enable Colead SLM support [default=yes]]),
+ [HW_COLEAD_SLM="$enableval"],
+ [HW_COLEAD_SLM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo],
+ [enable demo driver support [default=yes]]),
+ [HW_DEMO="$enableval"],
+ [HW_DEMO=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(fluke-dmm, AC_HELP_STRING([--enable-fluke-dmm],
+ [enable Fluke DMM support [default=yes]]),
+ [HW_FLUKE_DMM="$enableval"],
+ [HW_FLUKE_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(fx2lafw, AC_HELP_STRING([--enable-fx2lafw],
+ [enable fx2lafw support (for FX2 LAs). [default=yes]]),
+ [HW_FX2LAFW="$enableval"],
+ [HW_FX2LAFW=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(gmc-mh-1x-2x, AC_HELP_STRING([--enable-gmc-mh-1x-2x],
+ [enable gmc-mh-1x-2x support [default=yes]]),
+ [HW_GMC_MH_1X_2X="$enableval"],
+ [HW_GMC_MH_1X_2X=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(hameg-hmo, AC_HELP_STRING([--enable-hameg-hmo],
+ [enable Hameg HMO support [default=yes]]),
+ [HW_HAMEG_HMO="$enableval"],
+ [HW_HAMEG_HMO=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(hantek-dso, AC_HELP_STRING([--enable-hantek-dso],
+ [enable Hantek DSO support [default=yes]]),
+ [HW_HANTEK_DSO="$enableval"],
+ [HW_HANTEK_DSO=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(ikalogic-scanalogic2, AC_HELP_STRING([--enable-ikalogic-scanalogic2],
+ [enable IKALOGIC Scanalogic-2 support [default=yes]]),
+ [HW_IKALOGIC_SCANALOGIC2="$enableval"],
+ [HW_IKALOGIC_SCANALOGIC2=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(ikalogic-scanaplus, AC_HELP_STRING([--enable-ikalogic-scanaplus],
+ [enable IKALOGIC ScanaPLUS support [default=yes]]),
+ [HW_IKALOGIC_SCANAPLUS="$enableval"],
+ [HW_IKALOGIC_SCANAPLUS=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(kecheng-kc-330b, AC_HELP_STRING([--enable-kecheng-kc-330b],
+ [enable Kecheng KC-330B support [default=yes]]),
+ [HW_KECHENG_KC_330B="$enableval"],
+ [HW_KECHENG_KC_330B=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(lascar-el-usb, AC_HELP_STRING([--enable-lascar-el-usb],
+ [enable Lascar EL-USB support [default=yes]]),
+ [HW_LASCAR_EL_USB="$enableval"],
+ [HW_LASCAR_EL_USB=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(link-mso19, AC_HELP_STRING([--enable-link-mso19],
+ [enable Link Instruments MSO-19 support [default=no]]),
+ [HW_LINK_MSO19="$enableval"],
+ [HW_LINK_MSO19="no"])
+
+AC_ARG_ENABLE(mic-985xx, AC_HELP_STRING([--enable-mic-985xx],
+ [enable MIC 985xx support [default=yes]]),
+ [HW_MIC_985XX="$enableval"],
+ [HW_MIC_985XX=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(norma-dmm, AC_HELP_STRING([--enable-norma-dmm],
+ [enable Norma DMM support [default=yes]]),
+ [HW_NORMA_DMM="$enableval"],
+ [HW_NORMA_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(ols, AC_HELP_STRING([--enable-ols],
+ [enable OpenBench Logic Sniffer (OLS) support [default=yes]]),
+ [HW_OLS="$enableval"],
+ [HW_OLS=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(rigol-ds, AC_HELP_STRING([--enable-rigol-ds],
+ [enable Rigol DS support [default=yes]]),
+ [HW_RIGOL_DS="$enableval"],
+ [HW_RIGOL_DS=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(saleae-logic16, AC_HELP_STRING([--enable-saleae-logic16],
+ [enable Saleae Logic16 support [default=yes]]),
+ [HW_SALEAE_LOGIC16="$enableval"],
+ [HW_SALEAE_LOGIC16=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(serial-dmm, AC_HELP_STRING([--enable-serial-dmm],
+ [enable serial DMM support [default=yes]]),
+ [HW_SERIAL_DMM="$enableval"],
+ [HW_SERIAL_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(sysclk-lwla, AC_HELP_STRING([--enable-sysclk-lwla],
+ [enable Sysclk LWLA support [default=yes]]),
+ [HW_SYSCLK_LWLA="$enableval"],
+ [HW_SYSCLK_LWLA=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(teleinfo, AC_HELP_STRING([--enable-teleinfo],
+ [enable Teleinfo support [default=yes]]),
+ [HW_TELEINFO="$enableval"],
+ [HW_TELEINFO=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(tondaj-sl-814, AC_HELP_STRING([--enable-tondaj-sl-814],
+ [enable Tondaj SL-814 support [default=yes]]),
+ [HW_TONDAJ_SL_814="$enableval"],
+ [HW_TONDAJ_SL_814=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(uni-t-dmm, AC_HELP_STRING([--enable-uni-t-dmm],
+ [enable UNI-T DMM support [default=yes]]),
+ [HW_UNI_T_DMM="$enableval"],
+ [HW_UNI_T_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(uni-t-ut32x, AC_HELP_STRING([--enable-uni-t-ut32x],
+ [enable UNI-T UT32x support [default=yes]]),
+ [HW_UNI_T_UT32X="$enableval"],
+ [HW_UNI_T_UT32X=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(victor-dmm, AC_HELP_STRING([--enable-victor-dmm],
+ [enable victor-dmm support [default=yes]]),
+ [HW_VICTOR_DMM="$enableval"],
+ [HW_VICTOR_DMM=$HW_ENABLED_DEFAULT])
+
+AC_ARG_ENABLE(zeroplus-logic-cube,
+ AC_HELP_STRING([--enable-zeroplus-logic-cube],
+ [enable ZEROPLUS Logic Cube support [default=yes]]),
+ [HW_ZEROPLUS_LOGIC_CUBE="$enableval"],
+ [HW_ZEROPLUS_LOGIC_CUBE=$HW_ENABLED_DEFAULT])
+
+# Checks for libraries.
+
+case "$host" in
+*mingw*)
+ # We need to link against the Winsock2 library for SCPI over TCP.
+ LIBS="$LIBS -lws2_32";;
+esac
+
+# This variable collects the pkg-config names of all detected libs.
+# It is then used to construct the "Requires.private:" field in the
+# libsigrok.pc file.
+SR_PKGLIBS=""
+
+# libm (the standard math library) is always needed.
+AC_SEARCH_LIBS([pow], [m])
+
+# RPC is only needed for VXI support
+AC_MSG_CHECKING([for RPC support])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <rpc/rpc.h>],
+ [CLIENT *rpc_test(void)],
+ [{ return clnt_create("", 0, 0, ""); }])],
+ [AC_MSG_RESULT([yes]); have_rpc=1],
+ [AC_MSG_RESULT([no]); have_rpc=0])
+# Define HAVE_RPC in config.h if we found RPC support.
+AC_DEFINE_UNQUOTED(HAVE_RPC, [$have_rpc],[Specifies whether we have RPC support.])
+# VXI support is only compiled if RPC support was found.
+AM_CONDITIONAL(NEED_RPC, test "x$have_rpc" != x0)
+
+# libglib-2.0 is always needed. Abort if it's not found.
+# Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
+# We require at least 2.32.0 due to e.g. g_variant_new_fixed_array().
+AM_PATH_GLIB_2_0([2.32.0],
+ [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
+
+# libzip is always needed. Abort if it's not found.
+PKG_CHECK_MODULES([libzip], [libzip >= 0.10],
+ [CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libzip"])
+
+# libserialport is only needed for some hardware drivers. Disable the
+# respective drivers if it is not found.
+PKG_CHECK_MODULES([libserialport], [libserialport >= 0.1.0],
+ [have_libserialport="yes"; CFLAGS="$CFLAGS $libserialport_CFLAGS";
+ LIBS="$LIBS $libserialport_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libserialport"],
+ [have_libserialport="no"; HW_AGILENT_DMM="no"; HW_APPA_55II="no";
+ HW_ATTEN_PPS3XXX="no"; HW_BRYMEN_DMM="no"; HW_CEM_DT_885X="no";
+ HW_CENTER_3XX="no"; HW_COLEAD_SLM="no"; HW_FLUKE_DMM="no";
+ HW_GMC_MH_1X_2X="no"; HW_HAMEG_HMO="no"; HW_LINK_MSO19="no";
+ HW_MIC_985XX="no"; HW_NORMA_DMM="no"; HW_OLS="no";
+ HW_SERIAL_DMM="no"; HW_TELEINFO="no"; HW_TONDAJ_SL_814="no"])
+
+# Define HAVE_LIBSERIALPORT in config.h if we found libserialport.
+if test "x$have_libserialport" != "xno"; then
+ AC_DEFINE_UNQUOTED(HAVE_LIBSERIALPORT, [1],
+ [Specifies whether we have libserialport.])
+fi
+
+# Serial port helper code is only compiled in if libserialport was found.
+AM_CONDITIONAL(NEED_SERIAL, test "x$have_libserialport" != xno)
+
+# libusb-1.0 is only needed for some hardware drivers. Disable the respective
+# drivers if it is not found.
+case "$host" in
+*freebsd*)
+ # FreeBSD comes with an "integrated" libusb-1.0-style USB API.
+ # This means libusb-1.0 is always available, no need to check for it,
+ # and no need to (potentially) disable any drivers if it's not found.
+ AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
+ [Specifies whether we have a libusb.h header.])
+ ;;
+*)
+ PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.16],
+ [have_libusb1_0="yes"; CFLAGS="$CFLAGS $libusb_CFLAGS";
+ LIBS="$LIBS $libusb_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"],
+ [have_libusb1_0="no"; HW_FX2LAFW="no"; HW_HANTEK_DSO="no";
+ HW_IKALOGIC_SCANALOGIC2="no"; HW_KECHENG_KC_330B="no";
+ HW_LASCAR_EL_USB="no"; HW_SYSCLK_LWLA="no";
+ HW_UNI_T_DMM="no"; HW_UNI_T_UT32X="no"; HW_VICTOR_DMM="no";
+ HW_ZEROPLUS_LOGIC_CUBE="no"; HW_SALEAE_LOGIC16="no"])
+
+ # Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
+ if test "x$have_libusb1_0" != "xno"; then
+ AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
+ [Specifies whether we have a libusb.h header.])
+ fi
+ ;;
+esac
+
+# USB + FX2 firmware helper code is only compiled in if libusb-1.0 was found.
+AM_CONDITIONAL(NEED_USB, test "x$have_libusb1_0" != xno)
+
+# libftdi is only needed for some hardware drivers. Disable them if not found.
+PKG_CHECK_MODULES([libftdi], [libftdi >= 0.16],
+ [CFLAGS="$CFLAGS $libftdi_CFLAGS";
+ LIBS="$LIBS $libftdi_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libftdi"],
+ [HW_ASIX_SIGMA="no"; HW_CHRONOVU_LA8="no"; HW_IKALOGIC_SCANAPLUS="no"])
+
+# libudev is only needed for some hardware drivers. Disable them if not found.
+PKG_CHECK_MODULES([libudev], [libudev >= 151],
+ [CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libudev"],
+ [HW_LINK_MSO19="no"])
+
+# ALSA is only needed for some hardware drivers. Disable them if not found.
+PKG_CHECK_MODULES([alsa], [alsa >= 1.0],
+ [CFLAGS="$CFLAGS $alsa_CFLAGS"; LIBS="$LIBS $alsa_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS alsa"],
+ [HW_ALSA="no"])
+
+# The Check unit testing framework is optional. Disable if not found.
+PKG_CHECK_MODULES([check], [check >= 0.9.4],
+ [have_check="yes"; CFLAGS="$CFLAGS $check_CFLAGS";
+ LIBS="$LIBS $check_LIBS"], [have_check="no"])
+AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
+
+# The OLS driver uses serial port file descriptors directly, and therefore
+# will not currently work on Windows.
+case "$host" in
+*mingw*)
+ HW_OLS="no"
+ ;;
+esac
+
+AC_SUBST(SR_PKGLIBS)
+
+# Now set AM_CONDITIONALs and AC_DEFINEs for the enabled/disabled drivers.
+