configure.ac - openbmc/phosphor-ipmi-flash - Gitiles

 # Initialization
 AC_PREREQ([2.69])
 AC_INIT([phosphor-ipmi-flash], [1.0], [https://github.com/openbmc/phosphor-ipmi-flash/issues])
 AC_LANG([C++])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIRS([m4])
 AM_INIT_AUTOMAKE([subdir-objects -Wall -Wno-portability -Werror foreign dist-xz])
 AM_SILENT_RULES([yes])

 # Make sure the default CFLAGS of `-O2 -g` don't override CODE_COVERAGE_CFLAGS
 # It is important that this comes before AC_PROG_C{C,XX}, as we are attempting
 # to stop them from populating default CFLAGS and CXXFLAGS.
 AS_IF([test "x$enable_tests" = "xno"], [enable_code_coverage=no])
 AS_IF([test "x$enable_code_coverage" != "xno"], [
     AS_IF([test "x${CXXFLAGS+set}" != "xset"], [
         AC_SUBST(CXXFLAGS, [""])
     ])
     AS_IF([test "x${CFLAGS+set}" != "xset"], [
         AC_SUBST(CFLAGS, [""])
     ])
 ])

 # If building tests, enable both hardware options that are configuration controlled
 AS_IF([test "x$enable_tests" = "xyes"], [enable_static_layout=yes])
 AS_IF([test "x$enable_tests" = "xyes"], [enable_tarball_ubi=yes])

 AS_IF([test "x$enable_tests" = "xyes"], [enable_aspeed_p2a=yes])

 # You can only build main.o with one of the lpc implementations, however, specify both.
 AS_IF([test "x$enable_tests" = "xyes"], [enable_aspeed_lpc=yes])
 AS_IF([test "x$enable_tests" = "xyes"], [enable_nuvoton_lpc=yes])

 AS_IF([test "x$enable_host_bios" = "xyes"], [enable_host_bios=yes])

 # If building tests, enable building all cleanup handler options.
 AS_IF([test "x$enable_tests" = "xyes"], [enable_cleanup_delete=yes])

 # Checks for programs.
 AC_PROG_CXX
 AM_PROG_AR
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET

 # Checks for typedefs, structures, and compiler characteristics.
 AX_CXX_COMPILE_STDCXX_17([noext])
 AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])

 # Checks for library functions.
 LT_INIT

 # Enable building the host tool (default: yes)
 AC_ARG_ENABLE([build-host-tool],
     AC_HELP_STRING([--disable-build-host-tool], [Disable building the host tool])
 )
 AM_CONDITIONAL([BUILD_HOST_TOOL], [test "x$enable_build_host_tool" != "xno"])

 # Enable building the bmc (default: yes)
 AC_ARG_ENABLE([build-bmc-blob-handler],
     AC_HELP_STRING([--disable-build-bmc-blob-handler], [Disable buliding the BMC BLOB handler])
 )
 AM_CONDITIONAL([BUILD_BMC_HANDLER], [test "x$enable_build_bmc_blob_handler" != "xno"])

 # Enable building host-bios support into the BMC (default: no)
 # This is only set if build-bmc-blob-handler is not "no."
 AC_ARG_ENABLE([host-bios],
     AC_HELP_STRING([--enable-host-bios], [Enable supporting the host bios])
 )

 # Build the BMC by default, so check if set to no.
 AS_IF([test "x$enable_build_bmc_blob_handler" != "xno"], [
     PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])

     PKG_CHECK_MODULES(
         [SDBUSPLUS],
         [sdbusplus],
         [AC_DEFINE(HAVE_SDBUSPLUS, [1], [Found openbmc/sdbusplus package])],
         [AC_MSG_ERROR([The openbmc/sdbusplus package is required])]
     )

     PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging])

     AC_CHECK_HEADER(
         [blobs-ipmid/blobs.hpp],
         [],
         [AC_MSG_ERROR(["phosphor-ipmi-blobs required and not found."])]
     )

     AC_CHECK_HEADER(
         [nlohmann/json.hpp],
         [],
         [AC_MSG_ERROR([Could not find nlohmann/json.hpp])]
     )

     PKG_PROG_PKG_CONFIG
     AC_ARG_WITH([systemdsystemunitdir],
         [AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],
         [],
         [with_systemdsystemunitdir=auto]
     )
     AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
         [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
          AS_IF([test "x$def_systemdsystemunitdir" = "x"],
                [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
                     [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])]
                )
                with_systemdsystemunitdir=no],
                [with_systemdsystemunitdir="$def_systemdsystemunitdir"]
          )]
     )
     AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
         [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])]
     )
     AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])

     # Only set if build-bmc-blob-handler wasn't unset.
     AM_CONDITIONAL([ENABLE_HOST_BIOS], [test "x$enable_host_bios" = "xyes"])
     AS_IF([test "x$enable_host_bios" = "xyes"], [
         AX_APPEND_COMPILE_FLAGS([-DENABLE_HOST_BIOS], [CXXFLAGS])
     ])
 ], [
     AM_CONDITIONAL([HAVE_SYSTEMD], [0])
     AM_CONDITIONAL([ENABLE_HOST_BIOS], [0])
 ])

 # If not building the host-tool, we're building the BMC.
 AS_IF([test "x$enable_build_host_tool" != "xno"], [
     PKG_CHECK_MODULES(
         [PCILIB],
         [libpci],
         [],
         [AC_MSG_ERROR([Could not find libpci... pciutils package required])]
     )
 ])

 # These packages are required for both the BMC and the host-tool.
 PKG_CHECK_MODULES(
     [IPMIBLOB],
     [ipmiblob],
     [],
     [AC_MSG_ERROR(
         [Could not find ipmiblob...openbmc/ipmi-blob-tool package required])
     ]
 )
 AX_PTHREAD([], [AC_MSG_ERROR(["pthread required and not found"])])

 # Configurability

 # Enable the reboot update mechanism
 AC_ARG_ENABLE([reboot-update],
     AS_HELP_STRING([--enable-reboot-update],
                    [Enable use of reboot update mechanism.]))
 AM_CONDITIONAL([ENABLE_REBOOT_UPDATE], [test "x$enable_reboot_update" = "xyes"])
 AS_IF([test "x$enable_reboot_update" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DENABLE_REBOOT_UPDATE], [CXXFLAGS])
 ])

 # Enable the update with status file
 AC_ARG_ENABLE([update-status],
     AS_HELP_STRING([--enable-update-status],
                    [Enable use of update status file.]))
 AM_CONDITIONAL([ENABLE_UPDATE_STATUS], [test "x$enable_update_status" = "xyes"])
 AS_IF([test "x$enable_update_status" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DENABLE_UPDATE_STATUS], [CXXFLAGS])
 ])

 # Enable the cleanup handle that deletes the temporary files. (default: no)
 AC_ARG_ENABLE([cleanup-delete],
     AS_HELP_STRING([--enable-cleanup-delete],
                    [Enable use of the delete files cleanup mechanism.]))
 AM_CONDITIONAL([BUILD_CLEANUP_DELETE], [test "x$enable_cleanup_delete" = "xyes"])

 # Enable static layout for firmware image staging.
 AC_ARG_ENABLE([static-layout],
     AS_HELP_STRING([--enable-static-layout],
                    [Enable static layout firmware update via Blobs]))
 AM_CONDITIONAL([ENABLE_STATIC_LAYOUT], [test "x$enable_static_layout" = "xyes"])
 AS_IF([test "x$enable_static_layout" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DENABLE_STATIC_LAYOUT], [CXXFLAGS])
 ])
 # Enable tarball for firmware image staging.
 AC_ARG_ENABLE([tarball-ubi],
     AS_HELP_STRING([--enable-tarball-ubi],
                    [Enable tarball firmware update via Blobs]))
 AS_IF([test "x$enable_tarball_ubi" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DENABLE_TARBALL_UBI], [CXXFLAGS])
 ])

 AS_IF([test "x$enable_tarball_ubi" = "xyes"], [
     AS_IF([test "x$enable_static_layout" = "xyes"], [
         AS_IF([test "x$enable_tests" != "xyes"], [
             AC_MSG_ERROR([Invalid configuration enabling both static and ubi tarball bmc image types.])
         ])
     ])
 ])

 # The address used for mapping P2A or LPC into the BMC's memory-space:
 # e.g. https://github.com/openbmc/linux/blob/1da2ce51886a3b2f5db2087f26c661e13ee13b84/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts#L26
 # or https://github.com/openbmc/linux/blob/1da2ce51886a3b2f5db2087f26c661e13ee13b84/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts#L166
 # for PCI, this address is passed back to the host and is used directly.
 AC_ARG_VAR(MAPPED_ADDRESS, [The base address of the memory region reserved for mapping.])
 AS_IF([test "x$MAPPED_ADDRESS" == "x"],
     [AC_DEFINE_UNQUOTED(MAPPED_ADDRESS, [0], [Default address to 0.])],
     [AC_DEFINE_UNQUOTED(MAPPED_ADDRESS, [$MAPPED_ADDRESS], [Value for memory region mapping.])]
 )

 AC_ARG_ENABLE([aspeed-lpc],
     AS_HELP_STRING([--enable-aspeed-lpc],
                    [Enable external transfers using Aspeed LPC]))
 AM_CONDITIONAL(ENABLE_ASPEED_LPC, [test "x$enable_aspeed_lpc" = "xyes"])
 AS_IF([test "x$enable_aspeed_lpc" = "xyes"], [
     AC_CHECK_HEADER(
         [linux/aspeed-lpc-ctrl.h],
         [],
         [AC_MSG_ERROR([Could not find linux/aspeed-lpc-ctrl.h])]
     )

     AX_APPEND_COMPILE_FLAGS([-DASPEED_LPC], [CXXFLAGS])
     AX_APPEND_COMPILE_FLAGS([-DENABLE_LPC_BRIDGE], [CXXFLAGS])
 ])
 AC_ARG_ENABLE([nuvoton-lpc],
     AS_HELP_STRING([--enable-nuvoton-lpc],
                    [Enable external transfers using Nuvoton LPC SHM]))
 AM_CONDITIONAL(ENABLE_NUVOTON_LPC, [test "x$enable_nuvoton_lpc" = "xyes"])
 AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DNUVOTON_LPC], [CXXFLAGS])
     AX_APPEND_COMPILE_FLAGS([-DENABLE_LPC_BRIDGE], [CXXFLAGS])
 ])

 AS_IF([test "x$enable_aspeed_lpc" = "xyes"], [
     AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
         AS_IF([test "x$enable_tests" != "xyes"], [
             AC_MSG_ERROR([Invalid configuration enabling both ASPEED and Nuvoton.])
         ])
     ])
 ])

 AC_ARG_ENABLE([aspeed-p2a],
     AS_HELP_STRING([--enable-aspeed-p2a],
                    [Enable external transfers using Aspeed PCI-to-AHB]))
 AM_CONDITIONAL(ENABLE_ASPEED_P2A, [test "x$enable_aspeed_p2a" = "xyes"])
 AS_IF([test "x$enable_aspeed_p2a" = "xyes"], [
     AC_CHECK_HEADER(linux/aspeed-p2a-ctrl.h,
                     [HAVE_UAPI_LINUX_P2A_CTRL_H=""],
                     [HAVE_UAPI_LINUX_P2A_CTRL_H="-I linux/aspeed-p2a-ctrl.h"])
     AS_IF([test "$HAVE_UAPI_LINUX_P2A_CTRL_H" != ""],
         AC_MSG_WARN([Could not find linux/aspeed-p2a-ctrl.h: Attempting to download locally for building from openbmc/linux/+/dev-5.0])
         AC_SUBST([PCI_BMC_DL],
                  [`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-5.0/include/uapi/linux/aspeed-p2a-ctrl.h -O linux/aspeed-p2a-ctrl.h`])
     )
     AX_APPEND_COMPILE_FLAGS([-DASPEED_P2A], [CXXFLAGS])
     AX_APPEND_COMPILE_FLAGS([-DENABLE_PCI_BRIDGE], [CXXFLAGS])
 ])

 AS_IF([test "x$enable_aspeed_p2a" = "xyes"], [
     AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
         AS_IF([test "x$enable_tests" != "xyes"], [
             AC_MSG_ERROR([Invalid configuration enabling both ASPEED and Nuvoton.])
         ])
     ])
 ])

 AC_ARG_VAR(
     STATIC_HANDLER_STAGED_NAME,
     [The file to use for staging the firmware update.]
 )
 AS_IF(
     [test "x$STATIC_HANDLER_STAGED_NAME" == "x"],
     [STATIC_HANDLER_STAGED_NAME="/run/initramfs/bmc-image"]
 )
 AC_DEFINE_UNQUOTED(
     [STATIC_HANDLER_STAGED_NAME],
     ["$STATIC_HANDLER_STAGED_NAME"],
     [The file to use for staging the firmware update.]
 )

 AC_ARG_VAR(
     TARBALL_STAGED_NAME,
     [The file to use for staging the firmware update.]
 )
 AS_IF(
     [test "x$TARBALL_STAGED_NAME" == "x"],
     [TARBALL_STAGED_NAME="/tmp/image-update.tar"]
 )
 AC_DEFINE_UNQUOTED(
     [TARBALL_STAGED_NAME],
     ["$TARBALL_STAGED_NAME"],
     [The file to use for staging the firmware update.]
 )

 AC_ARG_VAR(
     BIOS_STAGED_NAME,
     [The file to use for staging the bios firmware update.]
 )
 AS_IF(
     [test "x$BIOS_STAGED_NAME" == "x"],
     [BIOS_STAGED_NAME="/tmp/bios-image"]
 )
 AC_DEFINE_UNQUOTED(
     [BIOS_STAGED_NAME],
     ["$BIOS_STAGED_NAME"],
     [The file to use for staging the bios firmware update.]
 )

 AC_ARG_VAR(
     HASH_FILENAME,
     [The file to use for the hash provided.]
 )
 AS_IF(
     [test "x$HASH_FILENAME" == "x"],
     [HASH_FILENAME="/tmp/bmc.sig"]
 )
 AC_DEFINE_UNQUOTED(
     [HASH_FILENAME],
     ["$HASH_FILENAME"],
     [The file to use for the hash provided.]
 )

 AC_ARG_VAR(
     PREPARATION_DBUS_SERVICE,
     [The systemd target started when the host starts to send an update.]
 )
 AS_IF(
     [test "x$PREPARATION_DBUS_SERVICE" == "x"],
     [PREPARATION_DBUS_SERVICE="phosphor-ipmi-flash-bmc-prepare.target"]
 )
 AC_DEFINE_UNQUOTED(
     [PREPARATION_DBUS_SERVICE],
     ["$PREPARATION_DBUS_SERVICE"],
     [The systemd target started when the host starts to send an update.]
 )

 AC_ARG_VAR(
     VERIFY_STATUS_FILENAME,
     [The file checked for the verification status.]
 )
 AS_IF(
     [test "x$VERIFY_STATUS_FILENAME" == "x"],
     [VERIFY_STATUS_FILENAME="/tmp/bmc.verify"]
 )
 AC_DEFINE_UNQUOTED(
     [VERIFY_STATUS_FILENAME],
     ["$VERIFY_STATUS_FILENAME"],
     [The file checked for the verification status.]
 )

 AC_ARG_VAR(
     BIOS_VERIFY_STATUS_FILENAME,
     [The file checked for the verification status.]
 )
 AS_IF(
     [test "x$BIOS_VERIFY_STATUS_FILENAME" == "x"],
     [BIOS_VERIFY_STATUS_FILENAME="/tmp/bios.verify"]
 )
 AC_DEFINE_UNQUOTED(
     [BIOS_VERIFY_STATUS_FILENAME],
     ["$BIOS_VERIFY_STATUS_FILENAME"],
     [The file checked for the verification status.]
 )

 AC_ARG_VAR(
     VERIFY_DBUS_SERVICE,
     [The systemd target started for verification.]
 )
 AS_IF(
     [test "x$VERIFY_DBUS_SERVICE" == "x"],
     [VERIFY_DBUS_SERVICE="phosphor-ipmi-flash-bmc-verify.target"]
 )
 AC_DEFINE_UNQUOTED(
     [VERIFY_DBUS_SERVICE],
     ["$VERIFY_DBUS_SERVICE"],
     [The systemd target started for verification.]
 )

 AC_ARG_VAR(
     UPDATE_DBUS_SERVICE,
     [The systemd target started for updating the BMC.]
 )
 AS_IF(
     [test "x$UPDATE_DBUS_SERVICE" == "x"],
     [UPDATE_DBUS_SERVICE="phosphor-ipmi-flash-bmc-update.target"]
 )
 AC_DEFINE_UNQUOTED(
     [UPDATE_DBUS_SERVICE],
     ["$UPDATE_DBUS_SERVICE"],
     [The systemd target started for updating the BMC.]
 )

 AC_ARG_VAR(
     UPDATE_STATUS_FILENAME,
     [The file checked for the update status.]
 )
 AS_IF(
     [test "x$UPDATE_STATUS_FILENAME" == "x"],
     [UPDATE_STATUS_FILENAME="/tmp/bmc.update"]
 )
 AC_DEFINE_UNQUOTED(
     [UPDATE_STATUS_FILENAME],
     ["$UPDATE_STATUS_FILENAME"],
     [The file checked for the update status.]
 )

 AC_ARG_VAR(
     PREPARATION_BIOS_TARGET,
     [The systemd target started when the host starts to send an update.]
 )
 AS_IF(
     [test "x$PREPARATION_BIOS_TARGET" == "x"],
     [PREPARATION_BIOS_TARGET="phosphor-ipmi-flash-bios-prepare.target"]
 )
 AC_DEFINE_UNQUOTED(
     [PREPARATION_BIOS_TARGET],
     ["$PREPARATION_BIOS_TARGET"],
     [The systemd target started when the host starts to send an update.]
 )
 AC_ARG_VAR(
     VERIFY_BIOS_TARGET,
     [The systemd target started for verifying the BIOS image.]
 )
 AS_IF(
     [test "x$VERIFY_BIOS_TARGET" == "x"],
     [VERIFY_BIOS_TARGET="phosphor-ipmi-flash-bios-verify.target"]
 )
 AC_DEFINE_UNQUOTED(
     [VERIFY_BIOS_TARGET],
     ["$VERIFY_BIOS_TARGET"],
     [The systemd target started for verifying the BIOS image.]
 )
 AC_ARG_VAR(
     UPDATE_BIOS_TARGET,
     [The systemd target started for updating the BIOS.]
 )
 AS_IF(
     [test "x$UPDATE_BIOS_TARGET" == "x"],
     [UPDATE_BIOS_TARGET="phosphor-ipmi-flash-bios-update.target"]
 )
 AC_DEFINE_UNQUOTED(
     [UPDATE_BIOS_TARGET],
     ["$UPDATE_BIOS_TARGET"],
     [The systemd target started for updating the BIOS.]
 )

 AC_CHECK_HEADER(linux/ipmi.h, [HAVE_LINUX_IPMI_H=""], [HAVE_LINUX_IPMI_H="-I linux/ipmi.h"])
 AS_IF([test "$HAVE_LINUX_IPMI_H" != ""],
     AC_MSG_WARN([Could not find linux/ipmi.h: Attempting to download locally for building from openbmc/linux/+/dev-4.18])
     AC_SUBST([IPMI_BMC_DL],
              [`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-4.18/include/uapi/linux/ipmi.h -O linux/ipmi.h`])
 )

 AC_CHECK_HEADER(linux/ipmi_msgdefs.h, [HAVE_LINUX_IPMIMSGDEFS_H=""], [HAVE_LINUX_IPMIMSGDEFS_H="-I linux/ipmi_msgdefs.h"])
 AS_IF([test "$HAVE_LINUX_IPMIMSGDEFS_H" != ""],
     AC_MSG_WARN([Could not find linux/ipmi_msgdefs.h: Attempting to download locally for building from openbmc/linux/+/dev-4.18])
     AC_SUBST([IPMIMSG_BMC_DL],
              [`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-4.18/include/uapi/linux/ipmi_msgdefs.h -O linux/ipmi_msgdefs.h`])
 )

 # Make it possible for users to choose if they want test support
 # explicitly or not at all
 AC_ARG_ENABLE([tests], AC_HELP_STRING([--disable-tests],
                                       [Build test cases]))

 # Check/set gtest specific functions.
 AS_IF([test "x$enable_tests" != "xno"], [
     PKG_CHECK_MODULES([GTEST], [gtest], [], [true])
     PKG_CHECK_MODULES([GMOCK], [gmock], [], [true])
     AX_PTHREAD

     AX_SAVE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])
     AX_APPEND_COMPILE_FLAGS([$GTEST_CFLAGS], [CPPFLAGS])
     AC_LANG_PUSH([C++])
     AC_CHECK_HEADERS([gtest/gtest.h], [
         AS_IF([test "x$GTEST_CFLAGS" = "x"], [
             AS_IF([test "x$PTHREAD_CFLAGS" = "x"], [
                 AX_APPEND_COMPILE_FLAGS(["-DGTEST_HAS_PTHREAD=0"], [GTEST_CFLAGS])
             ], [
                 AX_APPEND_COMPILE_FLAGS(["-DGTEST_HAS_PTHREAD=1"], [GTEST_CFLAGS])
                 AX_APPEND_COMPILE_FLAGS([$PTHREAD_CFLAGS], [GTEST_CFLAGS])
             ])
         ])
     ], [
         AS_IF([test "x$enable_tests" = "xyes"], [
             AC_MSG_ERROR([Testing enabled but could not find gtest/gtest.h])
         ])
     ])
     AC_LANG_POP([C++])
     AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])

     AX_SAVE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])
     AX_APPEND_COMPILE_FLAGS([$GMOCK_CFLAGS], [CPPFLAGS])
     AC_LANG_PUSH([C++])
     AC_CHECK_HEADERS([gmock/gmock.h], [], [
         AS_IF([test "x$enable_tests" = "xyes"], [
             AC_MSG_ERROR([Testing enabled but could not find gmock/gmock.h])
         ])
     ])
     AC_LANG_POP([C++])
     AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])

     AX_SAVE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
     AX_APPEND_COMPILE_FLAGS([$GTEST_LIBS], [LDFLAGS])
     AC_CHECK_LIB([gtest], [main], [
         AS_IF([test "x$GTEST_LIBS" = "x"], [
             AX_APPEND_COMPILE_FLAGS([-lgtest], [GTEST_LIBS])
         ])
     ], [
         AS_IF([test "x$enable_tests" = "xyes"], [
             AC_MSG_ERROR([Testing enabled but couldn't find gtest libs])
         ])
     ])
     AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])

     AX_SAVE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
     AX_APPEND_COMPILE_FLAGS([$GMOCK_LIBS], [LDFLAGS])
     AC_CHECK_LIB([gmock], [main], [
         AS_IF([test "x$GMOCK_LIBS" = "x"], [
             AX_APPEND_COMPILE_FLAGS([-lgmock], [GMOCK_LIBS])
         ])
     ], [
         AS_IF([test "x$enable_tests" = "xyes"], [
             AC_MSG_ERROR([Testing enabled but couldn't find gmock libs])
         ])
     ])
     AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
 ])

 # Check for valgrind
 AS_IF([test "x$enable_tests" = "xno"], [enable_valgrind=no])
 m4_foreach([vgtool], [valgrind_tool_list],
     [AX_VALGRIND_DFLT(vgtool, [off])])
 AX_VALGRIND_DFLT([memcheck], [on])
 AX_VALGRIND_CHECK
 AM_EXTRA_RECURSIVE_TARGETS([check-valgrind])
 m4_foreach([vgtool], [valgrind_tool_list],
     [AM_EXTRA_RECURSIVE_TARGETS([check-valgrind-]vgtool)])

 # Code coverage
 AX_CODE_COVERAGE
 AS_IF([test "x$CODE_COVERAGE_ENABLED" = "xyes"], [
     AX_APPEND_COMPILE_FLAGS([-DHAVE_GCOV], [CODE_COVERAGE_CPPFLAGS])
 ])
 m4_ifdef([_AX_CODE_COVERAGE_RULES],
     [AM_CONDITIONAL(AUTOCONF_CODE_COVERAGE_2019_01_06, [true])],
     [AM_CONDITIONAL(AUTOCONF_CODE_COVERAGE_2019_01_06, [false])])
 AX_ADD_AM_MACRO_STATIC([])

 # Add --enable-oe-sdk flag to configure script
 AC_ARG_ENABLE([oe-sdk],
     AS_HELP_STRING([--enable-oe-sdk], [Link testcases absolutely against OE SDK so they can be ran within it.])
 )

 # Check for OECORE_TARGET_SYSROOT in the environment.
 AC_ARG_VAR(OECORE_TARGET_SYSROOT,
     [Path to the OE SDK SYSROOT])

 # Configure OESDK_TESTCASE_FLAGS environment variable, which will be later
 # used in test/Makefile.am
 AS_IF([test "x$enable_oe_sdk" == "xyes"],
     AS_IF([test "x$OECORE_TARGET_SYSROOT" == "x"],
           AC_MSG_ERROR([OECORE_TARGET_SYSROOT must be set with --enable-oe-sdk])
     )
     AC_MSG_NOTICE([Enabling OE-SDK at $OECORE_TARGET_SYSROOT])
     [
         testcase_flags="-Wl,-rpath,\${OECORE_TARGET_SYSROOT}/lib"
         testcase_flags="${testcase_flags} -Wl,-rpath,\${OECORE_TARGET_SYSROOT}/usr/lib"
         testcase_flags="${testcase_flags} -Wl,-dynamic-linker,`find \${OECORE_TARGET_SYSROOT}/lib/ld-*.so | sort -r -n | head -n1`"
     ]
     AC_SUBST([OESDK_TESTCASE_FLAGS], [$testcase_flags])
 )

 # Create configured output
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([bmc/Makefile bmc/test/Makefile])
 AC_CONFIG_FILES([tools/Makefile tools/test/Makefile])
 AC_CONFIG_FILES([cleanup/Makefile cleanup/test/Makefile])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-prepare.target])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-verify.target])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-update.target])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-prepare.target])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-verify.target])
 AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-update.target])
 AC_CONFIG_FILES([bmc/config-static-bmc-reboot.json])
 AC_CONFIG_FILES([bmc/config-static-bmc.json])
 AC_CONFIG_FILES([bmc/config-static-bmc-with-update-status.json])
 AC_CONFIG_FILES([bmc/config-bios.json])
 AC_OUTPUT
	# Initialization
	AC_PREREQ([2.69])
	AC_INIT([phosphor-ipmi-flash], [1.0], [https://github.com/openbmc/phosphor-ipmi-flash/issues])
	AC_LANG([C++])
	AC_CONFIG_HEADERS([config.h])
	AC_CONFIG_MACRO_DIRS([m4])
	AM_INIT_AUTOMAKE([subdir-objects -Wall -Wno-portability -Werror foreign dist-xz])
	AM_SILENT_RULES([yes])

	# Make sure the default CFLAGS of `-O2 -g` don't override CODE_COVERAGE_CFLAGS
	# It is important that this comes before AC_PROG_C{C,XX}, as we are attempting
	# to stop them from populating default CFLAGS and CXXFLAGS.
	AS_IF([test "x$enable_tests" = "xno"], [enable_code_coverage=no])
	AS_IF([test "x$enable_code_coverage" != "xno"], [
	AS_IF([test "x${CXXFLAGS+set}" != "xset"], [
	AC_SUBST(CXXFLAGS, [""])
	])
	AS_IF([test "x${CFLAGS+set}" != "xset"], [
	AC_SUBST(CFLAGS, [""])
	])
	])

	# If building tests, enable both hardware options that are configuration controlled
	AS_IF([test "x$enable_tests" = "xyes"], [enable_static_layout=yes])
	AS_IF([test "x$enable_tests" = "xyes"], [enable_tarball_ubi=yes])

	AS_IF([test "x$enable_tests" = "xyes"], [enable_aspeed_p2a=yes])

	# You can only build main.o with one of the lpc implementations, however, specify both.
	AS_IF([test "x$enable_tests" = "xyes"], [enable_aspeed_lpc=yes])
	AS_IF([test "x$enable_tests" = "xyes"], [enable_nuvoton_lpc=yes])

	AS_IF([test "x$enable_host_bios" = "xyes"], [enable_host_bios=yes])

	# If building tests, enable building all cleanup handler options.
	AS_IF([test "x$enable_tests" = "xyes"], [enable_cleanup_delete=yes])

	# Checks for programs.
	AC_PROG_CXX
	AM_PROG_AR
	AC_PROG_INSTALL
	AC_PROG_MAKE_SET

	# Checks for typedefs, structures, and compiler characteristics.
	AX_CXX_COMPILE_STDCXX_17([noext])
	AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])

	# Checks for library functions.
	LT_INIT

	# Enable building the host tool (default: yes)
	AC_ARG_ENABLE([build-host-tool],
	AC_HELP_STRING([--disable-build-host-tool], [Disable building the host tool])
	)
	AM_CONDITIONAL([BUILD_HOST_TOOL], [test "x$enable_build_host_tool" != "xno"])

	# Enable building the bmc (default: yes)
	AC_ARG_ENABLE([build-bmc-blob-handler],
	AC_HELP_STRING([--disable-build-bmc-blob-handler], [Disable buliding the BMC BLOB handler])
	)
	AM_CONDITIONAL([BUILD_BMC_HANDLER], [test "x$enable_build_bmc_blob_handler" != "xno"])

	# Enable building host-bios support into the BMC (default: no)
	# This is only set if build-bmc-blob-handler is not "no."
	AC_ARG_ENABLE([host-bios],
	AC_HELP_STRING([--enable-host-bios], [Enable supporting the host bios])
	)

	# Build the BMC by default, so check if set to no.
	AS_IF([test "x$enable_build_bmc_blob_handler" != "xno"], [
	PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])

	PKG_CHECK_MODULES(
	[SDBUSPLUS],
	[sdbusplus],
	[AC_DEFINE(HAVE_SDBUSPLUS, [1], [Found openbmc/sdbusplus package])],
	[AC_MSG_ERROR([The openbmc/sdbusplus package is required])]
	)

	PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging])

	AC_CHECK_HEADER(
	[blobs-ipmid/blobs.hpp],
	[],
	[AC_MSG_ERROR(["phosphor-ipmi-blobs required and not found."])]
	)

	AC_CHECK_HEADER(
	[nlohmann/json.hpp],
	[],
	[AC_MSG_ERROR([Could not find nlohmann/json.hpp])]
	)

	PKG_PROG_PKG_CONFIG
	AC_ARG_WITH([systemdsystemunitdir],
	[AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],
	[],
	[with_systemdsystemunitdir=auto]
	)
	AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
	[def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
	AS_IF([test "x$def_systemdsystemunitdir" = "x"],
	[AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
	[AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])]
	)
	with_systemdsystemunitdir=no],
	[with_systemdsystemunitdir="$def_systemdsystemunitdir"]
	)]
	)
	AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
	[AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])]
	)
	AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])

	# Only set if build-bmc-blob-handler wasn't unset.
	AM_CONDITIONAL([ENABLE_HOST_BIOS], [test "x$enable_host_bios" = "xyes"])
	AS_IF([test "x$enable_host_bios" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DENABLE_HOST_BIOS], [CXXFLAGS])
	])
	], [
	AM_CONDITIONAL([HAVE_SYSTEMD], [0])
	AM_CONDITIONAL([ENABLE_HOST_BIOS], [0])
	])

	# If not building the host-tool, we're building the BMC.
	AS_IF([test "x$enable_build_host_tool" != "xno"], [
	PKG_CHECK_MODULES(
	[PCILIB],
	[libpci],
	[],
	[AC_MSG_ERROR([Could not find libpci... pciutils package required])]
	)
	])

	# These packages are required for both the BMC and the host-tool.
	PKG_CHECK_MODULES(
	[IPMIBLOB],
	[ipmiblob],
	[],
	[AC_MSG_ERROR(
	[Could not find ipmiblob...openbmc/ipmi-blob-tool package required])
	]
	)
	AX_PTHREAD([], [AC_MSG_ERROR(["pthread required and not found"])])

	# Configurability

	# Enable the reboot update mechanism
	AC_ARG_ENABLE([reboot-update],
	AS_HELP_STRING([--enable-reboot-update],
	[Enable use of reboot update mechanism.]))
	AM_CONDITIONAL([ENABLE_REBOOT_UPDATE], [test "x$enable_reboot_update" = "xyes"])
	AS_IF([test "x$enable_reboot_update" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DENABLE_REBOOT_UPDATE], [CXXFLAGS])
	])

	# Enable the update with status file
	AC_ARG_ENABLE([update-status],
	AS_HELP_STRING([--enable-update-status],
	[Enable use of update status file.]))
	AM_CONDITIONAL([ENABLE_UPDATE_STATUS], [test "x$enable_update_status" = "xyes"])
	AS_IF([test "x$enable_update_status" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DENABLE_UPDATE_STATUS], [CXXFLAGS])
	])

	# Enable the cleanup handle that deletes the temporary files. (default: no)
	AC_ARG_ENABLE([cleanup-delete],
	AS_HELP_STRING([--enable-cleanup-delete],
	[Enable use of the delete files cleanup mechanism.]))
	AM_CONDITIONAL([BUILD_CLEANUP_DELETE], [test "x$enable_cleanup_delete" = "xyes"])

	# Enable static layout for firmware image staging.
	AC_ARG_ENABLE([static-layout],
	AS_HELP_STRING([--enable-static-layout],
	[Enable static layout firmware update via Blobs]))
	AM_CONDITIONAL([ENABLE_STATIC_LAYOUT], [test "x$enable_static_layout" = "xyes"])
	AS_IF([test "x$enable_static_layout" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DENABLE_STATIC_LAYOUT], [CXXFLAGS])
	])
	# Enable tarball for firmware image staging.
	AC_ARG_ENABLE([tarball-ubi],
	AS_HELP_STRING([--enable-tarball-ubi],
	[Enable tarball firmware update via Blobs]))
	AS_IF([test "x$enable_tarball_ubi" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DENABLE_TARBALL_UBI], [CXXFLAGS])
	])

	AS_IF([test "x$enable_tarball_ubi" = "xyes"], [
	AS_IF([test "x$enable_static_layout" = "xyes"], [
	AS_IF([test "x$enable_tests" != "xyes"], [
	AC_MSG_ERROR([Invalid configuration enabling both static and ubi tarball bmc image types.])
	])
	])
	])

	# The address used for mapping P2A or LPC into the BMC's memory-space:
	# e.g. https://github.com/openbmc/linux/blob/1da2ce51886a3b2f5db2087f26c661e13ee13b84/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts#L26
	# or https://github.com/openbmc/linux/blob/1da2ce51886a3b2f5db2087f26c661e13ee13b84/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts#L166
	# for PCI, this address is passed back to the host and is used directly.
	AC_ARG_VAR(MAPPED_ADDRESS, [The base address of the memory region reserved for mapping.])
	AS_IF([test "x$MAPPED_ADDRESS" == "x"],
	[AC_DEFINE_UNQUOTED(MAPPED_ADDRESS, [0], [Default address to 0.])],
	[AC_DEFINE_UNQUOTED(MAPPED_ADDRESS, [$MAPPED_ADDRESS], [Value for memory region mapping.])]
	)

	AC_ARG_ENABLE([aspeed-lpc],
	AS_HELP_STRING([--enable-aspeed-lpc],
	[Enable external transfers using Aspeed LPC]))
	AM_CONDITIONAL(ENABLE_ASPEED_LPC, [test "x$enable_aspeed_lpc" = "xyes"])
	AS_IF([test "x$enable_aspeed_lpc" = "xyes"], [
	AC_CHECK_HEADER(
	[linux/aspeed-lpc-ctrl.h],
	[],
	[AC_MSG_ERROR([Could not find linux/aspeed-lpc-ctrl.h])]
	)

	AX_APPEND_COMPILE_FLAGS([-DASPEED_LPC], [CXXFLAGS])
	AX_APPEND_COMPILE_FLAGS([-DENABLE_LPC_BRIDGE], [CXXFLAGS])
	])
	AC_ARG_ENABLE([nuvoton-lpc],
	AS_HELP_STRING([--enable-nuvoton-lpc],
	[Enable external transfers using Nuvoton LPC SHM]))
	AM_CONDITIONAL(ENABLE_NUVOTON_LPC, [test "x$enable_nuvoton_lpc" = "xyes"])
	AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DNUVOTON_LPC], [CXXFLAGS])
	AX_APPEND_COMPILE_FLAGS([-DENABLE_LPC_BRIDGE], [CXXFLAGS])
	])

	AS_IF([test "x$enable_aspeed_lpc" = "xyes"], [
	AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
	AS_IF([test "x$enable_tests" != "xyes"], [
	AC_MSG_ERROR([Invalid configuration enabling both ASPEED and Nuvoton.])
	])
	])
	])

	AC_ARG_ENABLE([aspeed-p2a],
	AS_HELP_STRING([--enable-aspeed-p2a],
	[Enable external transfers using Aspeed PCI-to-AHB]))
	AM_CONDITIONAL(ENABLE_ASPEED_P2A, [test "x$enable_aspeed_p2a" = "xyes"])
	AS_IF([test "x$enable_aspeed_p2a" = "xyes"], [
	AC_CHECK_HEADER(linux/aspeed-p2a-ctrl.h,
	[HAVE_UAPI_LINUX_P2A_CTRL_H=""],
	[HAVE_UAPI_LINUX_P2A_CTRL_H="-I linux/aspeed-p2a-ctrl.h"])
	AS_IF([test "$HAVE_UAPI_LINUX_P2A_CTRL_H" != ""],
	AC_MSG_WARN([Could not find linux/aspeed-p2a-ctrl.h: Attempting to download locally for building from openbmc/linux/+/dev-5.0])
	AC_SUBST([PCI_BMC_DL],
	[`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-5.0/include/uapi/linux/aspeed-p2a-ctrl.h -O linux/aspeed-p2a-ctrl.h`])
	)
	AX_APPEND_COMPILE_FLAGS([-DASPEED_P2A], [CXXFLAGS])
	AX_APPEND_COMPILE_FLAGS([-DENABLE_PCI_BRIDGE], [CXXFLAGS])
	])

	AS_IF([test "x$enable_aspeed_p2a" = "xyes"], [
	AS_IF([test "x$enable_nuvoton_lpc" = "xyes"], [
	AS_IF([test "x$enable_tests" != "xyes"], [
	AC_MSG_ERROR([Invalid configuration enabling both ASPEED and Nuvoton.])
	])
	])
	])

	AC_ARG_VAR(
	STATIC_HANDLER_STAGED_NAME,
	[The file to use for staging the firmware update.]
	)
	AS_IF(
	[test "x$STATIC_HANDLER_STAGED_NAME" == "x"],
	[STATIC_HANDLER_STAGED_NAME="/run/initramfs/bmc-image"]
	)
	AC_DEFINE_UNQUOTED(
	[STATIC_HANDLER_STAGED_NAME],
	["$STATIC_HANDLER_STAGED_NAME"],
	[The file to use for staging the firmware update.]
	)

	AC_ARG_VAR(
	TARBALL_STAGED_NAME,
	[The file to use for staging the firmware update.]
	)
	AS_IF(
	[test "x$TARBALL_STAGED_NAME" == "x"],
	[TARBALL_STAGED_NAME="/tmp/image-update.tar"]
	)
	AC_DEFINE_UNQUOTED(
	[TARBALL_STAGED_NAME],
	["$TARBALL_STAGED_NAME"],
	[The file to use for staging the firmware update.]
	)

	AC_ARG_VAR(
	BIOS_STAGED_NAME,
	[The file to use for staging the bios firmware update.]
	)
	AS_IF(
	[test "x$BIOS_STAGED_NAME" == "x"],
	[BIOS_STAGED_NAME="/tmp/bios-image"]
	)
	AC_DEFINE_UNQUOTED(
	[BIOS_STAGED_NAME],
	["$BIOS_STAGED_NAME"],
	[The file to use for staging the bios firmware update.]
	)

	AC_ARG_VAR(
	HASH_FILENAME,
	[The file to use for the hash provided.]
	)
	AS_IF(
	[test "x$HASH_FILENAME" == "x"],
	[HASH_FILENAME="/tmp/bmc.sig"]
	)
	AC_DEFINE_UNQUOTED(
	[HASH_FILENAME],
	["$HASH_FILENAME"],
	[The file to use for the hash provided.]
	)

	AC_ARG_VAR(
	PREPARATION_DBUS_SERVICE,
	[The systemd target started when the host starts to send an update.]
	)
	AS_IF(
	[test "x$PREPARATION_DBUS_SERVICE" == "x"],
	[PREPARATION_DBUS_SERVICE="phosphor-ipmi-flash-bmc-prepare.target"]
	)
	AC_DEFINE_UNQUOTED(
	[PREPARATION_DBUS_SERVICE],
	["$PREPARATION_DBUS_SERVICE"],
	[The systemd target started when the host starts to send an update.]
	)

	AC_ARG_VAR(
	VERIFY_STATUS_FILENAME,
	[The file checked for the verification status.]
	)
	AS_IF(
	[test "x$VERIFY_STATUS_FILENAME" == "x"],
	[VERIFY_STATUS_FILENAME="/tmp/bmc.verify"]
	)
	AC_DEFINE_UNQUOTED(
	[VERIFY_STATUS_FILENAME],
	["$VERIFY_STATUS_FILENAME"],
	[The file checked for the verification status.]
	)

	AC_ARG_VAR(
	BIOS_VERIFY_STATUS_FILENAME,
	[The file checked for the verification status.]
	)
	AS_IF(
	[test "x$BIOS_VERIFY_STATUS_FILENAME" == "x"],
	[BIOS_VERIFY_STATUS_FILENAME="/tmp/bios.verify"]
	)
	AC_DEFINE_UNQUOTED(
	[BIOS_VERIFY_STATUS_FILENAME],
	["$BIOS_VERIFY_STATUS_FILENAME"],
	[The file checked for the verification status.]
	)

	AC_ARG_VAR(
	VERIFY_DBUS_SERVICE,
	[The systemd target started for verification.]
	)
	AS_IF(
	[test "x$VERIFY_DBUS_SERVICE" == "x"],
	[VERIFY_DBUS_SERVICE="phosphor-ipmi-flash-bmc-verify.target"]
	)
	AC_DEFINE_UNQUOTED(
	[VERIFY_DBUS_SERVICE],
	["$VERIFY_DBUS_SERVICE"],
	[The systemd target started for verification.]
	)

	AC_ARG_VAR(
	UPDATE_DBUS_SERVICE,
	[The systemd target started for updating the BMC.]
	)
	AS_IF(
	[test "x$UPDATE_DBUS_SERVICE" == "x"],
	[UPDATE_DBUS_SERVICE="phosphor-ipmi-flash-bmc-update.target"]
	)
	AC_DEFINE_UNQUOTED(
	[UPDATE_DBUS_SERVICE],
	["$UPDATE_DBUS_SERVICE"],
	[The systemd target started for updating the BMC.]
	)

	AC_ARG_VAR(
	UPDATE_STATUS_FILENAME,
	[The file checked for the update status.]
	)
	AS_IF(
	[test "x$UPDATE_STATUS_FILENAME" == "x"],
	[UPDATE_STATUS_FILENAME="/tmp/bmc.update"]
	)
	AC_DEFINE_UNQUOTED(
	[UPDATE_STATUS_FILENAME],
	["$UPDATE_STATUS_FILENAME"],
	[The file checked for the update status.]
	)

	AC_ARG_VAR(
	PREPARATION_BIOS_TARGET,
	[The systemd target started when the host starts to send an update.]
	)
	AS_IF(
	[test "x$PREPARATION_BIOS_TARGET" == "x"],
	[PREPARATION_BIOS_TARGET="phosphor-ipmi-flash-bios-prepare.target"]
	)
	AC_DEFINE_UNQUOTED(
	[PREPARATION_BIOS_TARGET],
	["$PREPARATION_BIOS_TARGET"],
	[The systemd target started when the host starts to send an update.]
	)
	AC_ARG_VAR(
	VERIFY_BIOS_TARGET,
	[The systemd target started for verifying the BIOS image.]
	)
	AS_IF(
	[test "x$VERIFY_BIOS_TARGET" == "x"],
	[VERIFY_BIOS_TARGET="phosphor-ipmi-flash-bios-verify.target"]
	)
	AC_DEFINE_UNQUOTED(
	[VERIFY_BIOS_TARGET],
	["$VERIFY_BIOS_TARGET"],
	[The systemd target started for verifying the BIOS image.]
	)
	AC_ARG_VAR(
	UPDATE_BIOS_TARGET,
	[The systemd target started for updating the BIOS.]
	)
	AS_IF(
	[test "x$UPDATE_BIOS_TARGET" == "x"],
	[UPDATE_BIOS_TARGET="phosphor-ipmi-flash-bios-update.target"]
	)
	AC_DEFINE_UNQUOTED(
	[UPDATE_BIOS_TARGET],
	["$UPDATE_BIOS_TARGET"],
	[The systemd target started for updating the BIOS.]
	)

	AC_CHECK_HEADER(linux/ipmi.h, [HAVE_LINUX_IPMI_H=""], [HAVE_LINUX_IPMI_H="-I linux/ipmi.h"])
	AS_IF([test "$HAVE_LINUX_IPMI_H" != ""],
	AC_MSG_WARN([Could not find linux/ipmi.h: Attempting to download locally for building from openbmc/linux/+/dev-4.18])
	AC_SUBST([IPMI_BMC_DL],
	[`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-4.18/include/uapi/linux/ipmi.h -O linux/ipmi.h`])
	)

	AC_CHECK_HEADER(linux/ipmi_msgdefs.h, [HAVE_LINUX_IPMIMSGDEFS_H=""], [HAVE_LINUX_IPMIMSGDEFS_H="-I linux/ipmi_msgdefs.h"])
	AS_IF([test "$HAVE_LINUX_IPMIMSGDEFS_H" != ""],
	AC_MSG_WARN([Could not find linux/ipmi_msgdefs.h: Attempting to download locally for building from openbmc/linux/+/dev-4.18])
	AC_SUBST([IPMIMSG_BMC_DL],
	[`mkdir -p linux;wget https://raw.githubusercontent.com/openbmc/linux/dev-4.18/include/uapi/linux/ipmi_msgdefs.h -O linux/ipmi_msgdefs.h`])
	)

	# Make it possible for users to choose if they want test support
	# explicitly or not at all
	AC_ARG_ENABLE([tests], AC_HELP_STRING([--disable-tests],
	[Build test cases]))

	# Check/set gtest specific functions.
	AS_IF([test "x$enable_tests" != "xno"], [
	PKG_CHECK_MODULES([GTEST], [gtest], [], [true])
	PKG_CHECK_MODULES([GMOCK], [gmock], [], [true])
	AX_PTHREAD

	AX_SAVE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])
	AX_APPEND_COMPILE_FLAGS([$GTEST_CFLAGS], [CPPFLAGS])
	AC_LANG_PUSH([C++])
	AC_CHECK_HEADERS([gtest/gtest.h], [
	AS_IF([test "x$GTEST_CFLAGS" = "x"], [
	AS_IF([test "x$PTHREAD_CFLAGS" = "x"], [
	AX_APPEND_COMPILE_FLAGS(["-DGTEST_HAS_PTHREAD=0"], [GTEST_CFLAGS])
	], [
	AX_APPEND_COMPILE_FLAGS(["-DGTEST_HAS_PTHREAD=1"], [GTEST_CFLAGS])
	AX_APPEND_COMPILE_FLAGS([$PTHREAD_CFLAGS], [GTEST_CFLAGS])
	])
	])
	], [
	AS_IF([test "x$enable_tests" = "xyes"], [
	AC_MSG_ERROR([Testing enabled but could not find gtest/gtest.h])
	])
	])
	AC_LANG_POP([C++])
	AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])

	AX_SAVE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])
	AX_APPEND_COMPILE_FLAGS([$GMOCK_CFLAGS], [CPPFLAGS])
	AC_LANG_PUSH([C++])
	AC_CHECK_HEADERS([gmock/gmock.h], [], [
	AS_IF([test "x$enable_tests" = "xyes"], [
	AC_MSG_ERROR([Testing enabled but could not find gmock/gmock.h])
	])
	])
	AC_LANG_POP([C++])
	AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [CPPFLAGS])

	AX_SAVE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
	AX_APPEND_COMPILE_FLAGS([$GTEST_LIBS], [LDFLAGS])
	AC_CHECK_LIB([gtest], [main], [
	AS_IF([test "x$GTEST_LIBS" = "x"], [
	AX_APPEND_COMPILE_FLAGS([-lgtest], [GTEST_LIBS])
	])
	], [
	AS_IF([test "x$enable_tests" = "xyes"], [
	AC_MSG_ERROR([Testing enabled but couldn't find gtest libs])
	])
	])
	AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])

	AX_SAVE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
	AX_APPEND_COMPILE_FLAGS([$GMOCK_LIBS], [LDFLAGS])
	AC_CHECK_LIB([gmock], [main], [
	AS_IF([test "x$GMOCK_LIBS" = "x"], [
	AX_APPEND_COMPILE_FLAGS([-lgmock], [GMOCK_LIBS])
	])
	], [
	AS_IF([test "x$enable_tests" = "xyes"], [
	AC_MSG_ERROR([Testing enabled but couldn't find gmock libs])
	])
	])
	AX_RESTORE_FLAGS_WITH_PREFIX(OLD, [LDFLAGS])
	])

	# Check for valgrind
	AS_IF([test "x$enable_tests" = "xno"], [enable_valgrind=no])
	m4_foreach([vgtool], [valgrind_tool_list],
	[AX_VALGRIND_DFLT(vgtool, [off])])
	AX_VALGRIND_DFLT([memcheck], [on])
	AX_VALGRIND_CHECK
	AM_EXTRA_RECURSIVE_TARGETS([check-valgrind])
	m4_foreach([vgtool], [valgrind_tool_list],
	[AM_EXTRA_RECURSIVE_TARGETS([check-valgrind-]vgtool)])

	# Code coverage
	AX_CODE_COVERAGE
	AS_IF([test "x$CODE_COVERAGE_ENABLED" = "xyes"], [
	AX_APPEND_COMPILE_FLAGS([-DHAVE_GCOV], [CODE_COVERAGE_CPPFLAGS])
	])
	m4_ifdef([_AX_CODE_COVERAGE_RULES],
	[AM_CONDITIONAL(AUTOCONF_CODE_COVERAGE_2019_01_06, [true])],
	[AM_CONDITIONAL(AUTOCONF_CODE_COVERAGE_2019_01_06, [false])])
	AX_ADD_AM_MACRO_STATIC([])

	# Add --enable-oe-sdk flag to configure script
	AC_ARG_ENABLE([oe-sdk],
	AS_HELP_STRING([--enable-oe-sdk], [Link testcases absolutely against OE SDK so they can be ran within it.])
	)

	# Check for OECORE_TARGET_SYSROOT in the environment.
	AC_ARG_VAR(OECORE_TARGET_SYSROOT,
	[Path to the OE SDK SYSROOT])

	# Configure OESDK_TESTCASE_FLAGS environment variable, which will be later
	# used in test/Makefile.am
	AS_IF([test "x$enable_oe_sdk" == "xyes"],
	AS_IF([test "x$OECORE_TARGET_SYSROOT" == "x"],
	AC_MSG_ERROR([OECORE_TARGET_SYSROOT must be set with --enable-oe-sdk])
	)
	AC_MSG_NOTICE([Enabling OE-SDK at $OECORE_TARGET_SYSROOT])
	[
	testcase_flags="-Wl,-rpath,\${OECORE_TARGET_SYSROOT}/lib"
	testcase_flags="${testcase_flags} -Wl,-rpath,\${OECORE_TARGET_SYSROOT}/usr/lib"
	testcase_flags="${testcase_flags} -Wl,-dynamic-linker,`find \${OECORE_TARGET_SYSROOT}/lib/ld-*.so \| sort -r -n \| head -n1`"
	]
	AC_SUBST([OESDK_TESTCASE_FLAGS], [$testcase_flags])
	)

	# Create configured output
	AC_CONFIG_FILES([Makefile])
	AC_CONFIG_FILES([bmc/Makefile bmc/test/Makefile])
	AC_CONFIG_FILES([tools/Makefile tools/test/Makefile])
	AC_CONFIG_FILES([cleanup/Makefile cleanup/test/Makefile])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-prepare.target])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-verify.target])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bmc-update.target])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-prepare.target])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-verify.target])
	AC_CONFIG_FILES([bmc/phosphor-ipmi-flash-bios-update.target])
	AC_CONFIG_FILES([bmc/config-static-bmc-reboot.json])
	AC_CONFIG_FILES([bmc/config-static-bmc.json])
	AC_CONFIG_FILES([bmc/config-static-bmc-with-update-status.json])
	AC_CONFIG_FILES([bmc/config-bios.json])
	AC_OUTPUT