config/configure.ac - incubator-heron - Git at Google

 #  Licensed to the Apache Software Foundation (ASF) under one
 #  or more contributor license agreements.  See the NOTICE file
 #  distributed with this work for additional information
 #  regarding copyright ownership.  The ASF licenses this file
 #  to you under the Apache License, Version 2.0 (the
 #  "License"); you may not use this file except in compliance
 #  with the License.  You may obtain a copy of the License at
 #
 #    http://www.apache.org/licenses/LICENSE-2.0
 #
 #  Unless required by applicable law or agreed to in writing,
 #  software distributed under the License is distributed on an
 #  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 #  KIND, either express or implied.  See the License for the
 #  specific language governing permissions and limitations
 #  under the License.

 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.

 AC_PREREQ(2.59)

 AC_INIT([heron], m4_esyscmd([if [ "${HERON_VERSION-x}" = "x" ]; then echo "unversioned"; else echo $HERON_VERSION; fi | tr -d '\n']))

 # Call any config specific stuff

 AC_CONFIG_SRCDIR([heron.def])
 AC_CONFIG_HEADERS([heron-config.h:heron-config-h.in])
 AC_CONFIG_MACRO_DIR([m4])

 AC_COPYRIGHT(COPYRIGHT-NOTICE)
 AC_CONFIG_AUX_DIR(config)

 # autoconf's default CXXFLAGS are usually "-g -O2".  These aren't necessarily
 # the best choice for libprotobuf.
 AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
       [CFLAGS=""])
 AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
       [CXXFLAGS=""])

 # Have autoconf setup some variables related to the system
 AC_CANONICAL_TARGET

 # Initialize automake
 AM_INIT_AUTOMAKE([subdir-objects -Wall -Werror -Wno-portability])

 # Check for existence of programs.
 AC_PROG_CXXCPP
 AC_PROG_LIBTOOL
 AC_REQUIRE_CPP
 AC_PROG_INSTALL
 AC_CHECK_TOOL(RMM, rm, /bin/rm)

 # Checks for gcc toolchain (we rely on some atomic builtins for now).
 AC_PROG_CC([gcc])
 AC_PROG_CXX([g++])

 # Check the version of gcc and add any flags as appropriate.
 GCC_VERSION="`gcc -dumpversion`"
 test $? = 0 || AC_MSG_ERROR([failed to determine version of gcc])
 case  "${GCC_VERSION}" in
   4.4*)
     echo ===========================================================
     echo Setting up CXXFLAGS for gcc 4.4.*
     echo ===========================================================
     # We fail to build some protobuf generated code with gcc 4.4
     # without setting -fno-strict-aliasing.
     CFLAGS="$CFLAGS -fno-strict-aliasing"
     CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
   ;;
 esac

 # Get the user and host info
 username=$(whoami)
 AC_MSG_CHECKING([user ID])
 AC_MSG_RESULT([$username])

 hostname=$(uname -n)
 AC_MSG_CHECKING([host name])
 AC_MSG_RESULT([$hostname])

 timestamp=$(date)
 AC_MSG_CHECKING([current timestamp])
 AC_MSG_RESULT([$timestamp])

 AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_USER], "$username", [user compiled])
 AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_HOST], "$hostname", [host of compiled])
 AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_TIME], "$timestamp",[time of compilation])

 # Check if we compiling for Mac or Linux
 case $host_os in
  darwin*) sys_os=darwin ;;
  linux*) sys_os=linux ;;
  *) AC_MSG_ERROR([Your platform is not currently supported]) ;;
 esac
 AM_CONDITIONAL([RTLIBS], [test x$sys_os = xlinux])
 AM_CONDITIONAL([SYSLINUX], [test x$sys_os = xlinux])

 # Check if we have pthread
 ACX_PTHREAD

 # Check the python version required
 AM_PATH_PYTHON([2.4.3])
 AC_PATH_PROG([PYTHON], [python], [],[])

 abs_top_builddir=`pwd`
 AC_SUBST(abs_top_builddir)

 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
 AC_TYPE_SIZE_T
 AC_HEADER_TIME
 AC_CHECK_TYPES([ptrdiff_t])

 AH_TEMPLATE(I386,	[architecture])
 AH_TEMPLATE(i386,	[architecture - not always defined by compiler])
 AH_TEMPLATE(ARCH_LP64,	[64 bit architecture])

 AH_TEMPLATE(Linux,	[operating system])
 AH_TEMPLATE(MacOSX,	[operating system])
 AH_TEMPLATE(__MacOSX__,	[operating system])

 AH_TEMPLATE(IS_LINUX,	[operating system])
 AH_TEMPLATE(IS_MACOSX,	[operating system])
 AH_TEMPLATE(win32,	[operating system])

 AH_TEMPLATE(IS_I386_CYGWIN,	[combo])
 AH_TEMPLATE(IS_I386_LINUX,	[combo])
 AH_TEMPLATE(IS_I386_MACOSX,	[combo])
 AH_TEMPLATE(IS_IX86_NT,		[combo])
 AH_TEMPLATE(IS_IX86_NT,		[combo])
 AH_TEMPLATE(IS_I386_CYGWIN,	[combo])

 AH_TEMPLATE(IS_UNIX,		[windows or unix?])
 AH_TEMPLATE(IS_NT,		[opposite of IS_UNIX])
 AH_TEMPLATE(IS_DOSDEV,		[dos-based])
 AH_TEMPLATE(IS_CYGWIN,		[windows])

 ## ---------------------------------------------------------------
 ##
 ## -------------- Architecture
 ##
 ## NOTE: all these IS_xxx, including IS_NT and IS_UNIX
 ## are not used in the sources and can be removed. For now, they
 ## are left in for developers' convenience.
 ##
 ## ---------------------------------------------------------------

 AC_LANG_PUSH(C++)

 AC_MSG_CHECKING([architecture])
 AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
 [[#if defined(_WIN32) && defined(_M_IX86) && defined(_MSC_VER)
 #else
 #error not this architecture
 #endif
 ]])],
 [AC_DEFINE(I386,,[])
 AC_DEFINE(i386)
 AC_DEFINE(win32,,[])
 AC_DEFINE(IS_IX86_NT,1,[x86 nt])
 AC_DEFINE(IS_NT,1,[is nt])
 AC_DEFINE(IS_DOSDEV,1,[dos-based])
 AC_MSG_RESULT([dos-based nt i386])
 ],
 [])

 AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
 [[#if defined(_WIN32) && defined(__GNUC__) && defined(i386)
 #else
 #error not this architecture
 #endif
 ]])],
 [AC_DEFINE(I386,,[])
 AC_DEFINE(win32,,[])
 AC_DEFINE(IS_NT,1,[is nt])
 AC_DEFINE(IS_CYGWIN,1,[nt cygwin])
 AC_DEFINE(IS_I386_CYGWIN,1,[x86 nt cygwin])
 AC_MSG_RESULT([cygwin nt i386])
 ],
 [])

 AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
 [[#if defined(linux) && defined(i386)
 #else
 #error not this architecture
 #endif
 ]])],
 [AC_DEFINE(I386,,[])
 AC_DEFINE(i386)
 AC_DEFINE(Linux,,[])
 AC_DEFINE(IS_I386_LINUX,1,[i386 linux])
 AC_DEFINE(IS_LINUX,1,[linux])
 AC_MSG_RESULT([linux i386])
 ],
 [])

 AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
 [[#if defined(linux) && defined(__x86_64)
 #else
 #error not this architecture
 #endif
 ]])],
 [AC_DEFINE(I386,,[])
 AC_DEFINE(i386)
 AC_DEFINE(Linux,,[])
 AC_DEFINE(IS_I386_LINUX,1,[i386 linux])
 AC_DEFINE(IS_LINUX,1,[linux])
 AC_DEFINE(ARCH_LP64,1,[for amd64])
 AC_MSG_RESULT([linux 64 bit])
 ],
 [])

 AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
 [[#if defined(__x86_64) && defined(__APPLE__)
 #else
 #error not this architecture
 #endif
 ]])],
 [AC_DEFINE(I386,,[])
 AC_DEFINE(MacOSX,,[])
 AC_DEFINE(__MacOSX__)
 AC_DEFINE(IS_I386_MACOSX,1,[i386 macosx])
 AC_DEFINE(IS_MACOSX,1,[apple mac osx])
 AC_MSG_RESULT([mac osx i386])
 ],
 [])

 ## -------------- IS NT OR UNIX

 AH_VERBATIM([isunix],[/*simply !IS_NT*/
 #ifndef IS_NT
 #define IS_UNIX 1
 #endif
 ])
 AC_LANG_POP(C++)

 # -------------------------------------------------------------------------
 #
 # handle --enable-debug
 # Needed at config time to tell make what flags to put on the compiles,
 # and what symbols, -DDEBUG -UNDEBUG
 # We need to put the macro definitions into the shore-config.h
 # and take them out of the compile command line.
 #
 # enabling this feature is equiv to DEBUGCODE ON
 #
 # -------------------------------------------------------------------------

 AC_ARG_ENABLE([debug],
   AS_HELP_STRING([--enable-debug], [Turn on full debugging: symbols & code [default=no]]),
   [debug=$enableval],
   [debug=no])
 AM_CONDITIONAL([ENABLE_DEBUG], [test x$debug = xyes])

 # -------------------------------------------------------------------------
 #
 # handle --enable-coverage
 #
 # -------------------------------------------------------------------------
 AC_ARG_ENABLE([coverage],
   AS_HELP_STRING([--enable-coverage], [Turn on coverage reporting with lcov [default=no]]),
   [enable_coverage=$enableval],
   [enable_coverage=no])
 AM_CONDITIONAL([ENABLE_COVERAGE], [test x$enable_coverage = xyes])


 # Save the configure arguments so we can pass them to any third-party
 # libraries that we might run configure on (see
 # third_party/Makefile.am). One downside of our strategy for shipping
 # and building third-party libraries is that we can't expose options
 # from nested third-party configure scripts.
 CONFIGURE_ARGS="$ac_configure_args"
 AC_SUBST(CONFIGURE_ARGS)
 AC_CONFIG_FILES([Makefile])

 AC_OUTPUT

 AC_MSG_RESULT([
 Configure Information:
   C Compiler        :   $CC
     DEFS            :   $DEFS
     CPPFLAGS        :   $CPPFLAGS
     CFLAGS          :   $CFLAGS

   C++ Compiler      :   $CXX
     DEFS            :   $DEFS
     CPPFLAGS        :   $CPPFLAGS
     CXXFLAGS        :   $CXXFLAGS

   Linker            :   $LD
     LDFLAGS         :   $LDFLAGS
     LIBS            :   $LIBS

   Python            :   $PYTHON
 ])
	# Licensed to the Apache Software Foundation (ASF) under one
	# or more contributor license agreements. See the NOTICE file
	# distributed with this work for additional information
	# regarding copyright ownership. The ASF licenses this file
	# to you under the Apache License, Version 2.0 (the
	# "License"); you may not use this file except in compliance
	# with the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing,
	# software distributed under the License is distributed on an
	# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	# KIND, either express or implied. See the License for the
	# specific language governing permissions and limitations
	# under the License.

	# -- Autoconf --
	# Process this file with autoconf to produce a configure script.

	AC_PREREQ(2.59)

	AC_INIT([heron], m4_esyscmd([if [ "${HERON_VERSION-x}" = "x" ]; then echo "unversioned"; else echo $HERON_VERSION; fi \| tr -d '\n']))

	# Call any config specific stuff

	AC_CONFIG_SRCDIR([heron.def])
	AC_CONFIG_HEADERS([heron-config.h:heron-config-h.in])
	AC_CONFIG_MACRO_DIR([m4])

	AC_COPYRIGHT(COPYRIGHT-NOTICE)
	AC_CONFIG_AUX_DIR(config)

	# autoconf's default CXXFLAGS are usually "-g -O2". These aren't necessarily
	# the best choice for libprotobuf.
	AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
	[CFLAGS=""])
	AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
	[CXXFLAGS=""])

	# Have autoconf setup some variables related to the system
	AC_CANONICAL_TARGET

	# Initialize automake
	AM_INIT_AUTOMAKE([subdir-objects -Wall -Werror -Wno-portability])

	# Check for existence of programs.
	AC_PROG_CXXCPP
	AC_PROG_LIBTOOL
	AC_REQUIRE_CPP
	AC_PROG_INSTALL
	AC_CHECK_TOOL(RMM, rm, /bin/rm)

	# Checks for gcc toolchain (we rely on some atomic builtins for now).
	AC_PROG_CC([gcc])
	AC_PROG_CXX([g++])

	# Check the version of gcc and add any flags as appropriate.
	GCC_VERSION="`gcc -dumpversion`"
	test $? = 0 \|\| AC_MSG_ERROR([failed to determine version of gcc])
	case "${GCC_VERSION}" in
	4.4*)
	echo ===========================================================
	echo Setting up CXXFLAGS for gcc 4.4.*
	echo ===========================================================
	# We fail to build some protobuf generated code with gcc 4.4
	# without setting -fno-strict-aliasing.
	CFLAGS="$CFLAGS -fno-strict-aliasing"
	CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
	;;
	esac

	# Get the user and host info
	username=$(whoami)
	AC_MSG_CHECKING([user ID])
	AC_MSG_RESULT([$username])

	hostname=$(uname -n)
	AC_MSG_CHECKING([host name])
	AC_MSG_RESULT([$hostname])

	timestamp=$(date)
	AC_MSG_CHECKING([current timestamp])
	AC_MSG_RESULT([$timestamp])

	AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_USER], "$username", [user compiled])
	AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_HOST], "$hostname", [host of compiled])
	AC_DEFINE_UNQUOTED([PACKAGE_COMPILE_TIME], "$timestamp",[time of compilation])

	# Check if we compiling for Mac or Linux
	case $host_os in
	darwin*) sys_os=darwin ;;
	linux*) sys_os=linux ;;
	*) AC_MSG_ERROR([Your platform is not currently supported]) ;;
	esac
	AM_CONDITIONAL([RTLIBS], [test x$sys_os = xlinux])
	AM_CONDITIONAL([SYSLINUX], [test x$sys_os = xlinux])

	# Check if we have pthread
	ACX_PTHREAD

	# Check the python version required
	AM_PATH_PYTHON([2.4.3])
	AC_PATH_PROG([PYTHON], [python], [],[])

	abs_top_builddir=`pwd`
	AC_SUBST(abs_top_builddir)

	# Checks for typedefs, structures, and compiler characteristics.
	AC_C_CONST
	AC_C_INLINE
	AC_TYPE_SIZE_T
	AC_HEADER_TIME
	AC_CHECK_TYPES([ptrdiff_t])

	AH_TEMPLATE(I386, [architecture])
	AH_TEMPLATE(i386, [architecture - not always defined by compiler])
	AH_TEMPLATE(ARCH_LP64, [64 bit architecture])

	AH_TEMPLATE(Linux, [operating system])
	AH_TEMPLATE(MacOSX, [operating system])
	AH_TEMPLATE(__MacOSX__, [operating system])

	AH_TEMPLATE(IS_LINUX, [operating system])
	AH_TEMPLATE(IS_MACOSX, [operating system])
	AH_TEMPLATE(win32, [operating system])

	AH_TEMPLATE(IS_I386_CYGWIN, [combo])
	AH_TEMPLATE(IS_I386_LINUX, [combo])
	AH_TEMPLATE(IS_I386_MACOSX, [combo])
	AH_TEMPLATE(IS_IX86_NT, [combo])
	AH_TEMPLATE(IS_IX86_NT, [combo])
	AH_TEMPLATE(IS_I386_CYGWIN, [combo])

	AH_TEMPLATE(IS_UNIX, [windows or unix?])
	AH_TEMPLATE(IS_NT, [opposite of IS_UNIX])
	AH_TEMPLATE(IS_DOSDEV, [dos-based])
	AH_TEMPLATE(IS_CYGWIN, [windows])

	## ---------------------------------------------------------------
	##
	## -------------- Architecture
	##
	## NOTE: all these IS_xxx, including IS_NT and IS_UNIX
	## are not used in the sources and can be removed. For now, they
	## are left in for developers' convenience.
	##
	## ---------------------------------------------------------------

	AC_LANG_PUSH(C++)

	AC_MSG_CHECKING([architecture])
	AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
	[[#if defined(_WIN32) && defined(_M_IX86) && defined(_MSC_VER)
	#else
	#error not this architecture
	#endif
	]])],
	[AC_DEFINE(I386,,[])
	AC_DEFINE(i386)
	AC_DEFINE(win32,,[])
	AC_DEFINE(IS_IX86_NT,1,[x86 nt])
	AC_DEFINE(IS_NT,1,[is nt])
	AC_DEFINE(IS_DOSDEV,1,[dos-based])
	AC_MSG_RESULT([dos-based nt i386])
	],
	[])

	AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
	[[#if defined(_WIN32) && defined(__GNUC__) && defined(i386)
	#else
	#error not this architecture
	#endif
	]])],
	[AC_DEFINE(I386,,[])
	AC_DEFINE(win32,,[])
	AC_DEFINE(IS_NT,1,[is nt])
	AC_DEFINE(IS_CYGWIN,1,[nt cygwin])
	AC_DEFINE(IS_I386_CYGWIN,1,[x86 nt cygwin])
	AC_MSG_RESULT([cygwin nt i386])
	],
	[])

	AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
	[[#if defined(linux) && defined(i386)
	#else
	#error not this architecture
	#endif
	]])],
	[AC_DEFINE(I386,,[])
	AC_DEFINE(i386)
	AC_DEFINE(Linux,,[])
	AC_DEFINE(IS_I386_LINUX,1,[i386 linux])
	AC_DEFINE(IS_LINUX,1,[linux])
	AC_MSG_RESULT([linux i386])
	],
	[])

	AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
	[[#if defined(linux) && defined(__x86_64)
	#else
	#error not this architecture
	#endif
	]])],
	[AC_DEFINE(I386,,[])
	AC_DEFINE(i386)
	AC_DEFINE(Linux,,[])
	AC_DEFINE(IS_I386_LINUX,1,[i386 linux])
	AC_DEFINE(IS_LINUX,1,[linux])
	AC_DEFINE(ARCH_LP64,1,[for amd64])
	AC_MSG_RESULT([linux 64 bit])
	],
	[])

	AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
	[[#if defined(__x86_64) && defined(__APPLE__)
	#else
	#error not this architecture
	#endif
	]])],
	[AC_DEFINE(I386,,[])
	AC_DEFINE(MacOSX,,[])
	AC_DEFINE(__MacOSX__)
	AC_DEFINE(IS_I386_MACOSX,1,[i386 macosx])
	AC_DEFINE(IS_MACOSX,1,[apple mac osx])
	AC_MSG_RESULT([mac osx i386])
	],
	[])

	## -------------- IS NT OR UNIX

	AH_VERBATIM([isunix],[/simply !IS_NT/
	#ifndef IS_NT
	#define IS_UNIX 1
	#endif
	])
	AC_LANG_POP(C++)

	# -------------------------------------------------------------------------
	#
	# handle --enable-debug
	# Needed at config time to tell make what flags to put on the compiles,
	# and what symbols, -DDEBUG -UNDEBUG
	# We need to put the macro definitions into the shore-config.h
	# and take them out of the compile command line.
	#
	# enabling this feature is equiv to DEBUGCODE ON
	#
	# -------------------------------------------------------------------------

	AC_ARG_ENABLE([debug],
	AS_HELP_STRING([--enable-debug], [Turn on full debugging: symbols & code [default=no]]),
	[debug=$enableval],
	[debug=no])
	AM_CONDITIONAL([ENABLE_DEBUG], [test x$debug = xyes])

	# -------------------------------------------------------------------------
	#
	# handle --enable-coverage
	#
	# -------------------------------------------------------------------------
	AC_ARG_ENABLE([coverage],
	AS_HELP_STRING([--enable-coverage], [Turn on coverage reporting with lcov [default=no]]),
	[enable_coverage=$enableval],
	[enable_coverage=no])
	AM_CONDITIONAL([ENABLE_COVERAGE], [test x$enable_coverage = xyes])


	# Save the configure arguments so we can pass them to any third-party
	# libraries that we might run configure on (see
	# third_party/Makefile.am). One downside of our strategy for shipping
	# and building third-party libraries is that we can't expose options
	# from nested third-party configure scripts.
	CONFIGURE_ARGS="$ac_configure_args"
	AC_SUBST(CONFIGURE_ARGS)
	AC_CONFIG_FILES([Makefile])

	AC_OUTPUT

	AC_MSG_RESULT([
	Configure Information:
	C Compiler : $CC
	DEFS : $DEFS
	CPPFLAGS : $CPPFLAGS
	CFLAGS : $CFLAGS

	C++ Compiler : $CXX
	DEFS : $DEFS
	CPPFLAGS : $CPPFLAGS
	CXXFLAGS : $CXXFLAGS

	Linker : $LD
	LDFLAGS : $LDFLAGS
	LIBS : $LIBS

	Python : $PYTHON
	])