configure.ac

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# $Id: configure.ac,v 11.221 2004/11/16 01:07:57 mjc Exp $
# Process this file with autoconf to produce a configure script.

PACKAGE=db
AC_INIT(Berkeley DB,
	__EDIT_DB_VERSION__, [e-mail], db-__EDIT_DB_VERSION__)
AC_CONFIG_SRCDIR([../db/db.c])
AC_CONFIG_HEADERS([db_config.h:config.hin])

# Configure setup.
AC_CANONICAL_HOST()
AC_ARG_PROGRAM()

# Don't build in the top-level or dist directories.
AC_MSG_CHECKING(if building in the top-level or dist directories)
if [ test -d db_archive -o -f configure.ac ] ; then
	AC_MSG_RESULT(yes)
	AC_MSG_ERROR(
    [Berkeley DB should not be built in the top-level or dist directories.])
fi
AC_MSG_RESULT(no)

# Substitution variables.
AC_SUBST(ADDITIONAL_INCS)
AC_SUBST(ADDITIONAL_LANG)
AC_SUBST(ADDITIONAL_OBJS)
AC_SUBST(ADDITIONAL_PROGS)
AC_SUBST(BUILD_TARGET)
AC_SUBST(CFLAGS)
AC_SUBST(CONFIGURATION_ARGS)
AC_SUBST(CONFIGURATION_PATH)
AC_SUBST(CPPFLAGS)
AC_SUBST(CRYPTO_OBJS)
AC_SUBST(CXX)
AC_SUBST(CXXFLAGS)
AC_SUBST(DB_PROTO1)
AC_SUBST(DB_PROTO2)
AC_SUBST(DEFAULT_LIB)
AC_SUBST(DEFAULT_LIB_CXX)
AC_SUBST(INSTALLER)
AC_SUBST(INSTALL_LIBS)
AC_SUBST(INSTALL_TARGET)
AC_SUBST(JAR)
AC_SUBST(JAVACFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(LIBJSO_LIBS)
AC_SUBST(LIBS)
AC_SUBST(LIBSO_LIBS)
AC_SUBST(LIBTOOL)
AC_SUBST(LIBTSO_LIBS)
AC_SUBST(LIBTSO_MODSUFFIX)
AC_SUBST(LIBTSO_MODULE)
AC_SUBST(LIBXSO_LIBS)
AC_SUBST(MAKEFILE_CC)
AC_SUBST(MAKEFILE_CCLINK)
AC_SUBST(MAKEFILE_CXX)
AC_SUBST(MAKEFILE_CXXLINK)
AC_SUBST(MAKEFILE_SOLINK)
AC_SUBST(MAKEFILE_XSOLINK)
AC_SUBST(OSDIR)
AC_SUBST(PATH_SEPARATOR)
AC_SUBST(POSTLINK)
AC_SUBST(REPLACEMENT_OBJS)
AC_SUBST(RPC_CLIENT_OBJS)
AC_SUBST(RPC_SERVER_H)
AC_SUBST(SOFLAGS)
AC_SUBST(TEST_LIBS)
AC_SUBST(db_int_def)
AC_SUBST(o)

# Set the default installation location.
AC_PREFIX_DEFAULT(/usr/local/BerkeleyDB.__EDIT_DB_VERSION_MAJOR__.__EDIT_DB_VERSION_MINOR__)

# Configure the version information.
AC_SUBST(DB_VERSION_MAJOR)
DB_VERSION_MAJOR="__EDIT_DB_VERSION_MAJOR__"
AC_SUBST(DB_VERSION_MINOR)
DB_VERSION_MINOR="__EDIT_DB_VERSION_MINOR__"
AC_SUBST(DB_VERSION_PATCH)
DB_VERSION_PATCH="__EDIT_DB_VERSION_PATCH__"
AC_SUBST(DB_VERSION_STRING)
DB_VERSION_STRING='"__EDIT_DB_VERSION_STRING__"'
AC_SUBST(DB_VERSION_UNIQUE_NAME)

# Process all options before using them.
AM_OPTIONS_SET

# Set some #defines based on configuration options.
if test "$db_cv_diagnostic" = "yes"; then
	AC_DEFINE(DIAGNOSTIC)
	AH_TEMPLATE(DIAGNOSTIC,
    [Define to 1 if you want a version with run-time diagnostic checking.])
fi
if test "$db_cv_debug_rop" = "yes"; then
	AC_DEFINE(DEBUG_ROP)
	AH_TEMPLATE(DEBUG_ROP,
    [Define to 1 if you want a version that logs read operations.])
fi
if test "$db_cv_debug_wop" = "yes"; then
	AC_DEFINE(DEBUG_WOP)
	AH_TEMPLATE(DEBUG_WOP,
    [Define to 1 if you want a version that logs write operations.])
fi
if test "$db_cv_umrw" = "yes"; then
	AC_DEFINE(UMRW)
	AH_TEMPLATE(UMRW,
    [Define to 1 to mask harmless uninitialized memory read/writes.])

fi
if test "$db_cv_test" = "yes"; then
	AC_DEFINE(CONFIG_TEST)
	AH_TEMPLATE(CONFIG_TEST,
    [Define to 1 if you want to build a version for running the test suite.])
fi

# Check for programs used in building and installation.
AM_PROGRAMS_SET
AC_PROG_INSTALL

BUILD_TARGET="library_build"
INSTALL_TARGET="library_install"

# This is where we handle stuff that autoconf can't handle: compiler,
# preprocessor and load flags, libraries that the standard tests don't
# look for.
#
# There are additional libraries we need for some compiler/architecture
# combinations.
#
# Some architectures require DB to be compiled with special flags and/or
# libraries for threaded applications
#
# The makefile CC may be different than the CC used in config testing,
# because the makefile CC may be set to use $(LIBTOOL).
#
# Don't override anything if it's already set from the environment.
optimize_def="-O"
case "$host_os" in
aix4.3.*|aix5*)
	optimize_def="-O2"
	CC=${CC-"xlc_r"}
	CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE"
	LDFLAGS="$LDFLAGS -Wl,-brtl";;
bsdi3*)	CC=${CC-"shlicc2"}
	LIBS="$LIBS -lipc";;
cygwin*)
	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_REENTRANT";;
freebsd*)
	CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE"
	LDFLAGS="$LDFLAGS -pthread";;
gnu*|k*bsd*-gnu|linux*)
	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_REENTRANT";;
hpux*)	CPPFLAGS="$CPPFLAGS -D_REENTRANT";;
irix*)	optimize_def="-O2"
	CPPFLAGS="$CPPFLAGS -D_SGI_MP_SOURCE";;
mpeix*)	CPPFLAGS="$CPPFLAGS -D_POSIX_SOURCE -D_SOCKET_SOURCE"
	LIBS="$LIBS -lsocket -lsvipc";;
osf*)	CPPFLAGS="$CPPFLAGS -pthread";;
*qnx*)	AC_DEFINE(HAVE_QNX)
	AH_TEMPLATE(HAVE_QNX, [Define to 1 if building on QNX.]);;
solaris*)
	CPPFLAGS="$CPPFLAGS -D_REENTRANT";;
esac

# Set CFLAGS/CXXFLAGS.  We MUST set the flags before we call autoconf
# compiler configuration macros, because if we don't, they set CFLAGS
# to no optimization and -g, which isn't what we want.
CFLAGS=${CFLAGS-$optimize_def}
CXXFLAGS=${CXXFLAGS-"$CFLAGS"}

# If the user wants a debugging environment, add -g to the CFLAGS value.
#
# XXX
# Some compilers can't mix optimizing and debug flags.  The only way to
# handle this is to specify CFLAGS in the environment before configuring.
if test "$db_cv_debug" = "yes"; then
	AC_DEFINE(DEBUG)
	AH_TEMPLATE(DEBUG, [Define to 1 if you want a debugging version.])

	CFLAGS="$CFLAGS -g"
	CXXFLAGS="$CXXFLAGS -g"
	db_cv_build_type=debug
else
	db_cv_build_type=release
fi
AC_SUBST(db_cv_build_type)

# The default compiler is cc (NOT gcc), the default CFLAGS is as specified
# above, NOT what is set by AC_PROG_CC, as it won't set optimization flags
# for any compiler other than gcc.
AC_PROG_CC(cc gcc)

# Set specific per-compiler flags.
if test "$GCC" = "yes"; then
	# We want -O2 if we're using gcc.
	CFLAGS="$CFLAGS "
	CFLAGS=`echo "$CFLAGS" | sed 's/-O /-O2 /g'`
else
	case "$host_os" in
	hpux11.0*)	;;
	hpux11*)	CPPFLAGS="$CPPFLAGS -mt";;
	esac
fi

# Checks for compiler characteristics.
DB_PROTO1="#undef __P"

# AC_PROG_CC_STDC only sets ac_cv_prog_cc_stdc if the test fails, so
# check for "no", not "yes".
if test "$ac_cv_prog_cc_stdc" = "no"; then
	DB_PROTO2="#define	__P(protos)	()"
else
	DB_PROTO2="#define	__P(protos)	protos"
fi

AC_C_CONST
AC_SUBST(DB_CONST)
if test "$ac_cv_c_const" != "yes"; then
	DB_CONST="#define const"
fi

# Because of shared library building, the ${CC} used for config tests
# may be different than the ${CC} we want to put in the Makefile.
# The latter is known as ${MAKEFILE_CC} in this script.
MAKEFILE_CC="${CC}"
MAKEFILE_CCLINK="${CC}"
MAKEFILE_CXX="nocxx"
MAKEFILE_CXXLINK="nocxx"

# See if we need the C++ compiler at all.  If so, we'd like to find one that
# interoperates with the C compiler we chose.  Since we prefered cc over gcc,
# we'll also prefer the vendor's compiler over g++/gcc.  If we're wrong, the
# user can set CC and CXX in their environment before running configure.
#
# AC_PROG_CXX sets CXX, but it uses $CXX and $CCC (in that order) as its
# first choices.
if test "$db_cv_cxx" = "yes"; then
	if test "$GCC" != "yes"; then
		case "$host_os" in
		aix*)		AC_CHECK_TOOL(CCC, xlC_r)
				LIBXSO_LIBS="-lC_r $LIBXSO_LIBS"
				LIBS="-lC_r $LIBS";;
		hpux*)		AC_CHECK_TOOL(CCC, aCC);;
		irix*)		AC_CHECK_TOOL(CCC, CC);;
		osf*)		AC_CHECK_TOOL(CCC, cxx);;
		solaris*)	AC_CHECK_TOOL(CCC, CC);;
		esac
	fi
	AC_PROG_CXX
	###### WORKAROUND: SEE SR #7938
	AC_PROG_CXXCPP
	###############################
	AC_CXX_HAVE_STDHEADERS
	MAKEFILE_CXX="${CXX}"
	MAKEFILE_CXXLINK="${CXX}"
fi

# Do some gcc specific configuration.
AC_GCC_CONFIG1
AC_GCC_CONFIG2

# We need the -Kthread/-pthread flag when compiling on SCO/Caldera's UnixWare
# and OpenUNIX releases.  We can't make the test until we know which compiler
# we're using.
case "$host_os" in
sysv5UnixWare*|sysv5OpenUNIX8*)
	if test "$GCC" == "yes"; then
		CPPFLAGS="$CPPFLAGS -pthread"
		LDFLAGS="$LDFLAGS -pthread"
	else
		CPPFLAGS="$CPPFLAGS -Kthread"
		LDFLAGS="$LDFLAGS -Kthread"
	fi;;
esac

# Export our compiler preferences for the libtool configuration.
export CC CCC
CCC=CXX

# Libtool configuration.
AC_PROG_LIBTOOL

SOFLAGS="-rpath \$(libdir)"
LIBTOOL_PROG="${SHELL} ./libtool"

# Set SOSUFFIX and friends
SOSUFFIX_CONFIG
MODSUFFIX_CONFIG
JMODSUFFIX_CONFIG

INSTALLER="\$(LIBTOOL) --mode=install cp -p"

MAKEFILE_CC="\$(LIBTOOL) --mode=compile ${MAKEFILE_CC}"
MAKEFILE_SOLINK="\$(LIBTOOL) --mode=link ${MAKEFILE_CCLINK} -avoid-version"
MAKEFILE_CCLINK="\$(LIBTOOL) --mode=link ${MAKEFILE_CCLINK}"
MAKEFILE_CXX="\$(LIBTOOL) --mode=compile ${MAKEFILE_CXX}"
MAKEFILE_XSOLINK="\$(LIBTOOL) --mode=link ${MAKEFILE_CXXLINK} -avoid-version"
MAKEFILE_CXXLINK="\$(LIBTOOL) --mode=link ${MAKEFILE_CXXLINK}"

LIBTOOL="\$(SHELL) ./libtool"

case "$host_os" in
cygwin* | mingw*)
	MAKEFILE_SOLINK="$MAKEFILE_SOLINK -no-undefined"
	MAKEFILE_XSOLINK="$MAKEFILE_XSOLINK -no-undefined";;
esac

# Configure for shared libraries, static libraries, or both.  If both are
# configured, build the utilities and example programs with shared versions.
#
# $o is set to ".o" or ".lo", and is the file suffix used in the Makefile
# instead of .o
if test `$LIBTOOL_PROG --config |
    grep build_libtool_libs | grep no` 2>/dev/null; then
	enable_shared="no"
else
	enable_shared="yes"
fi
if test `$LIBTOOL_PROG --config |
    grep build_old_libs | grep no` 2>/dev/null; then
	enable_static="no"
else
	enable_static="yes"
fi

case "$host_os" in
    darwin*)
        LIBTSO_MODULE=""
        LIBTSO_MODSUFFIX=".dylib"
    ;;
    *)
        LIBTSO_MODULE="-module"
        LIBTSO_MODSUFFIX=@MODSUFFIX@
    ;;
esac

# C API.
if test "$enable_shared" = "no"; then
	DEFAULT_LIB="\$(libdb_version)"
	POSTLINK=": "
	o=".o"
else
	DEFAULT_LIB="\$(libso_target)"
	POSTLINK="\$(LIBTOOL) --mode=execute true"
	o=".lo"
fi
INSTALL_LIBS="$DEFAULT_LIB"
if test "$enable_static" = "yes"; then
	INSTALL_LIBS="$INSTALL_LIBS \$(libdb)"
fi

# Optional C++ API.
if test "$db_cv_cxx" = "yes"; then
	if test "$enable_shared" = "no"; then
		DEFAULT_LIB_CXX="\$(libcxx_version)"
	fi
	if test "$enable_shared" = "yes"; then
		DEFAULT_LIB_CXX="\$(libxso_target)"
	fi
	INSTALL_LIBS="$INSTALL_LIBS $DEFAULT_LIB_CXX"
	if test "$enable_static" = "yes"; then
		INSTALL_LIBS="$INSTALL_LIBS \$(libcxx)"
	fi
fi

# Optional Java API.
if test "$db_cv_java" = "yes"; then
	# Java requires shared libraries.
	if test "$enable_shared" = "no"; then
		AC_MSG_ERROR([Java requires shared libraries])
	fi