configure.ac

AC_PREREQ([2.69])
AC_INIT([libgrabkernel], m4_esyscmd([git rev-list --count HEAD | tr -d '\n']), [tihmstar@gmail.com])

AC_CANONICAL_SYSTEM
AC_CANONICAL_HOST
AM_PROG_LIBTOOL

AM_INIT_AUTOMAKE([subdir-objects])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([m4])

AC_DEFINE([VERSION_COMMIT_COUNT], "m4_esyscmd([git rev-list --count HEAD | tr -d '\n'])", [Git commit count])
AC_DEFINE([VERSION_COMMIT_SHA], "m4_esyscmd([git rev-parse HEAD | tr -d '\n'])", [Git commit sha])
AC_SUBST([VERSION_COMMIT_COUNT], ["m4_esyscmd([git rev-list --count HEAD | tr -d '\n'])"])
AC_SUBST([VERSION_COMMIT_SHA], ["m4_esyscmd([git rev-parse HEAD | tr -d '\n'])"])

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC

crypto_backend="none"
# Check for operating system
AC_MSG_CHECKING([whether we need platform-specific build settings])
case $host_os in
  darwin* )
esac

CXXFLAGS+=" -std=c++11"
CFLAGS+=" -std=c11"
# Versioning.

# Checks for libraries.
LIBGENERAL_REQUIRES_STR="libgeneral >= 65"

PKG_CHECK_MODULES(libgeneral, $LIBGENERAL_REQUIRES_STR)

AC_SUBST([libgeneral_requires], [$LIBGENERAL_REQUIRES_STR])

AC_ARG_ENABLE([debug],
            [AS_HELP_STRING([--enable-debug],
            [enable debug build(default is no)])],
            [debug_build=true],
            [debug_build=false])

AC_ARG_ENABLE([crashdump],
            [AS_HELP_STRING([--enable-crashdump],
            [enable crashdump feature(default is no)])],
            [enable_crashdump=true],
            [enable_crashdump=false])

if test "x$debug_build" == "xtrue"; then
  echo "*** Note: debug build requested ***"
  CFLAGS+=" -g -O0 -DDEBUG=1"
  CXXFLAGS+=" -g -O0 -DDEBUG=1"
fi

if test "x$enable_crashdump" == "xtrue"; then
  echo "*** Note: enable crashdump feature ***"
  AC_DEFINE(DUMP_CRASH_BACKTRACE, 1, [Define if building with crash dump feature])
fi

# Checks for header files.
AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h unistd.h])


AC_CONFIG_FILES([Makefile
                 include/Makefile
                 libtakeover/Makefile
            		 libtakeover.pc
            		 tools/Makefile])
AC_OUTPUT


echo "
Configuration for $PACKAGE-$VERSION:
-------------------------------------------

  install prefix ..........: $prefix"

echo "  compiler ................: ${CC}

  Now type 'make' to build $PACKAGE-$VERSION,
  and then 'make install' for installation.
"