# Initialization
AC_PREREQ([2.69])
AC_INIT([phosphor-ipmi-flash], [0.1], [https://github.com/openbmc/phosphor-ipmi-flash/issues])
AC_LANG([C++])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([subdir-objects -Wall -Werror foreign dist-xz])
AM_SILENT_RULES([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 # Required for systemd linking

# Checks for libraries.
PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging],, [AC_MSG_ERROR([Could not find phosphor-logging...openbmc/phosphor-logging package required])])
AC_CHECK_HEADER([blobs-ipmid], [AC_MSG_ERROR(["phosphor-ipmi-blobs required and not found."])])
AX_PTHREAD([], [AC_MSG_ERROR(["pthread required and not found"])])

# Configurability
# 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]))
AS_IF([test "x$enable_static_layout" = "xyes"], [
    AX_APPEND_COMPILE_FLAGS([-DENABLE_STATIC_LAYOUT], [CXXFLAGS])
])
# Enable P2A, and or LPC (block-transfer is always enabled).
AC_ARG_ENABLE([pci-bridge],
    AS_HELP_STRING([--enable-pci-bridge],
                   [Enable pci-bridge transport mechanism]))
AS_IF([test "x$enable_pci_bridge" = "xyes"], [
    AX_APPEND_COMPILE_FLAGS([-DENABLE_PCI_BRIDGE], [CXXFLAGS])
])
AC_ARG_ENABLE([lpc-bridge],
    AS_HELP_STRING([--enable-lpc-bridge],
                   [Enable lpc-bridge transport mechanism]))
AS_IF([test "x$enable_lpc_bridge" = "xyes"], [
    AX_APPEND_COMPILE_FLAGS([-DENABLE_LPC_BRIDGE], [CXXFLAGS])
])

# Check/set gtest specific functions.
PKG_CHECK_MODULES([GTEST], [gtest], [], [AC_MSG_NOTICE([gtest not found, tests will not build])])
PKG_CHECK_MODULES([GMOCK], [gmock], [], [AC_MSG_NOTICE([gmock not found, tests will not build])])
PKG_CHECK_MODULES([GTEST_MAIN], [gtest_main], [], [AC_MSG_NOTICE([gtest_main not found, tests will not build])])

# 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 test/Makefile])
AC_OUTPUT