+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=yes]]),
+ [HW_LINK_MSO19="$enableval"],
+ [HW_LINK_MSO19=$HW_ENABLED_DEFAULT])
+
+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(nexus-osciprime, AC_HELP_STRING([--enable-nexus-osciprime],
+ [enable Nexus Osciprime support [default=yes]]),
+ [HW_NEXUS_OSCIPRIME="$enableval"],
+ [HW_NEXUS_OSCIPRIME=$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-ds1xx2, AC_HELP_STRING([--enable-rigol-ds1xx2],
+ [enable Rigol DS1xx2 support [default=yes]]),
+ [HW_RIGOL_DS1XX2="$enableval"],
+ [HW_RIGOL_DS1XX2=$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(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(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.
+
+# 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])
+
+# 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 $GLIB_LIBS"])
+
+# libzip is always needed. Abort if it's not found.
+PKG_CHECK_MODULES([libzip], [libzip >= 0.8],
+ [CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
+ SR_PKGLIBS="$SR_PKGLIBS libzip"])
+
+# libusb-1.0 is only needed for some hardware drivers. Disable the respective
+# drivers if it is not found.
+case "$host" in
+*freebsd*)
+ # FreeBSD comes with an "integrated" libusb-1.0-style USB API.
+ # This means libusb-1.0 is always available, no need to check for it,
+ # and no need to (potentially) disable any drivers if it's not found.
+ AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
+ [Specifies whether we have a libusb.h header.])
+ ;;
+*)
+ PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
+ [have_libusb1_0="yes"; CFLAGS="$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_LASCAR_EL_USB="no"; HW_NEXUS_OSCIPRIME="no";
+ HW_UNI_T_DMM="no"; HW_VICTOR_DMM="no";
+ HW_ZEROPLUS_LOGIC_CUBE="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.])