dnl $Id: configure.in,v 11.77 2001/01/18 19:05:25 bostic Exp $ dnl Process this file with autoconf to produce a configure script. AC_INIT(../db/db.c) AC_CONFIG_HEADER(db_config.h:config.hin) dnl Configure setup. AC_PROG_INSTALL() AC_CANONICAL_HOST AC_ARG_PROGRAM() dnl We cannot build in the top-level directory. AC_MSG_CHECKING(if building in the top-level directory) [ test -d db_archive ] && AC_MSG_ERROR([ Berkeley DB cannot be built in the top-level distribution directory.]) AC_MSG_RESULT(no) dnl Substitution variables. AC_SUBST(ADDITIONAL_INCS) AC_SUBST(ADDITIONAL_LANG) AC_SUBST(ADDITIONAL_LIBS) AC_SUBST(ADDITIONAL_OBJS) AC_SUBST(ADDITIONAL_PROGS) AC_SUBST(CPPFLAGS) AC_SUBST(CXXFLAGS) AC_SUBST(DBS_LIBS) AC_SUBST(DEFAULT_INSTALL) AC_SUBST(DEFAULT_LIB) AC_SUBST(INSTALLER) AC_SUBST(INSTALL_LIBS) AC_SUBST(JAR) AC_SUBST(JAVAC) AC_SUBST(JAVACFLAGS) AC_SUBST(LDFLAGS) AC_SUBST(LIBDB_ARGS) AC_SUBST(LIBJSO_LIBS) AC_SUBST(LIBS) AC_SUBST(LIBSO_LIBS) AC_SUBST(LIBTOOL) AC_SUBST(LIBTSO_LIBS) AC_SUBST(LIBXSO_LIBS) AC_SUBST(MAKEFILE_CC) AC_SUBST(MAKEFILE_CCLINK) AC_SUBST(MAKEFILE_CXX) AC_SUBST(POSTLINK) AC_SUBST(RPC_OBJS) AC_SUBST(SOFLAGS) AC_SUBST(SOLINK) AC_SUBST(SOSUFFIX) dnl $o is set to ".o" or ".lo", and is the file suffix used in the dnl Makefile instead of .o AC_SUBST(o) o=.o INSTALLER="\$(cp)" DEFAULT_LIB="\$(libdb)" DEFAULT_INSTALL="install_static" dnl Set the version. AM_VERSION_SET dnl Set the default installation location. AC_PREFIX_DEFAULT(/usr/local/BerkeleyDB.@DB_VERSION_MAJOR@.@DB_VERSION_MINOR@) dnl Process all options before using them. This is necessary because there dnl are dependencies among them. AM_OPTIONS_SET # This is to determine what compiler is being used and to set options. # i.e. SCO OpenServer 5.0.X and UnixWare 7.X.X # option, cache_name, variable AC_DEFUN(AC_SYS_COMPILER_FLAG, [ AC_MSG_CHECKING($1) OLD_CFLAGS="[$]CFLAGS" AC_CACHE_VAL(db_cv_option_$2, [ CFLAGS="[$]OLD_CFLAGS $1" AC_TRY_RUN([int main(){exit(0);}],db_cv_option_$2=yes,db_cv_option_$2=no,db_cv_option_$2=no) ]) CFLAGS="[$]OLD_CFLAGS" if test x"[$]db_cv_option_$2" = "xyes" ; then $3="[$]$3 $1" AC_MSG_RESULT(yes) $5 else AC_MSG_RESULT(no) $4 fi ]) # os, option, cache_name, variable AC_DEFUN(AC_SYS_OS_COMPILER_FLAG, [ if test "x$db_cv_sys_os" = "x$1" ; then AC_SYS_COMPILER_FLAG($2,$3,$4) fi ]) dnl This is where we handle stuff that autoconf can't handle: compiler, dnl preprocessor and load flags, libraries that the standard tests don't dnl look for. The default optimization is -O. We would like to set the dnl default optimization for systems using gcc to -O2, but we can't. By dnl the time we know we're using gcc, it's too late to set optimization dnl flags. dnl dnl There are additional libraries we need for some compiler/architecture dnl combinations. dnl dnl Some architectures require DB to be compiled with special flags and/or dnl libraries for threaded applications dnl dnl The makefile CC may be different than the CC used in config testing, dnl because the makefile CC may be set to use $(LIBTOOL). dnl dnl XXX dnl Don't override anything if it's already set from the environment. optimize_def="-O" case "$host_os" in aix4.*) optimize_def="-O2" CC=${CC-"xlc_r"} CPPFLAGS="-D_THREAD_SAFE $CPPFLAGS" LIBTSO_LIBS="\$(LIBS)";; bsdi3*) CC=${CC-"shlicc2"} optimize_def="-O2" LIBS="-lipc $LIBS";; bsdi*) optimize_def="-O2";; freebsd*) optimize_def="-O2" CPPFLAGS="-D_THREAD_SAFE $CPPFLAGS" LIBS="-pthread";; hpux*) CPPFLAGS="-D_REENTRANT $CPPFLAGS";; irix*) optimize_def="-O2" CPPFLAGS="-D_SGI_MP_SOURCE $CPPFLAGS";; linux*) optimize_def="-O2" CFLAGS="-D_GNU_SOURCE" CPPFLAGS="-D_REENTRANT $CPPFLAGS";; mpeix*) CPPFLAGS="-D_POSIX_SOURCE -D_SOCKET_SOURCE $CPPFLAGS" LIBS="-lsocket -lsvipc $LIBS";; osf*) CPPFLAGS="-D_REENTRANT $CPPFLAGS";; *qnx) AC_DEFINE(HAVE_QNX);; sco3.2v4*) CC=${CC-"cc -belf"} LIBS="-lsocket -lnsl_s $LIBS";; sco*) CC=${CC-"cc -belf"} LIBS="-lsocket -lnsl $LIBS";; solaris*) CPPFLAGS="-D_REENTRANT $CPPFLAGS";; esac dnl Set CFLAGS/CXXFLAGS. We MUST set the flags before we call autoconf dnl compiler configuration macros, because if we don't, they set CFLAGS dnl to no optimization and -g, which isn't what we want. CFLAGS=${CFLAGS-$optimize_def} CXXFLAGS=${CXXFLAGS-"$CFLAGS"} dnl If the user wants a debugging environment, add -g to the CFLAGS value. dnl dnl XXX dnl Some compilers can't mix optimizing and debug flags. The only way to dnl handle this is to specify CFLAGS in the environment before configuring. if test "$db_cv_debug" = yes; then AC_DEFINE(DEBUG) CFLAGS="$CFLAGS -g" CXXFLAGS="$CXXFLAGS -g" fi dnl The default compiler is cc (NOT gcc), the default CFLAGS is as specified dnl above, NOT what is set by AC_PROG_CC, as it won't set optimization flags. dnl We still call AC_PROG_CC so that we get the other side-effects. AC_CHECK_PROG(CC, cc, cc) AC_CHECK_PROG(CC, gcc, gcc) AC_PROG_CC dnl Because of dynamic library building, the ${CC} used for config tests dnl may be different than the ${CC} we want to put in the Makefile. dnl The latter is known as ${MAKEFILE_CC} in this script. MAKEFILE_CC=${CC} MAKEFILE_CCLINK="\$(CC)" MAKEFILE_CXX="nocxx" dnl Set some #defines based on configuration options. if test "$db_cv_diagnostic" = yes; then AC_DEFINE(DIAGNOSTIC) fi if test "$db_cv_debug_rop" = yes; then AC_DEFINE(DEBUG_ROP) fi if test "$db_cv_debug_wop" = yes; then AC_DEFINE(DEBUG_WOP) fi if test "$db_cv_umrw" = yes; then AC_DEFINE(UMRW) fi if test "$db_cv_test" = yes; then AC_DEFINE(CONFIG_TEST) fi dnl See if we need the C++ compiler at all. If so, we'd like to find one that dnl interoperates with the C compiler we chose. Since we prefered cc over gcc, dnl we'll also prefer the vendor's compiler over g++/gcc. If we're wrong, the dnl user can set CC and CXX in their environment before running configure. dnl dnl AC_PROG_CXX sets CXX, but it uses $CXX and $CCC (in that order) as its dnl first choices. if test "$db_cv_cxx" = "yes"; then if test "$GCC" != "yes"; then case "$host_os" in aix*) AC_CHECK_PROG(CCC, xlC_r, xlC_r);; hpux*) AC_CHECK_PROG(CCC, aCC, aCC);; osf*) AC_CHECK_PROG(CCC, cxx, cxx);; solaris*) AC_CHECK_PROG(CCC, CC, CC);; esac fi AC_PROG_CXX MAKEFILE_CXX=${CXX} fi dnl XXX dnl Versions of GCC up to 2.8.0 required -fhandle-exceptions, but it is dnl renamed as -fexceptions and is the default in versions 2.8.0 and after. dnl dnl $GXX may be set as a result of enabling C++ or Java. if test "$GXX" = "yes"; then CXXVERSION=`${MAKEFILE_CXX} --version` case ${CXXVERSION} in 1.*|2.[[01234567]].*|*-1.*|*-2.[[01234567]].* ) CXXFLAGS="-fhandle-exceptions $CXXFLAGS";; * ) CXXFLAGS="-fexceptions $CXXFLAGS";; esac fi dnl Give the OS a last chance to override CFLAGS and LDFLAGS case "$host_os" in sco3.2v5*) if test "$GCC" != "yes"; then CFLAGS="$CFLAGS" LD='$(CC) $(CFLAGS)' LIBS="-lsocket -lnsl $LIBS" CPPFLAGS="-D_THREAD_SAFE -pthread $CPPFLAGS" case "$CFLAGS" in *-belf*) AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[ case "$LDFLAGS" in *-belf*) ;; *) echo "Adding -belf option to ldflags." LDFLAGS="$LDFLAGS -belf" ;; esac ]) ;; *) AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[ case "$LDFLAGS" in *-belf*) ;; *) echo "Adding -belf option to ldflags." LDFLAGS="$LDFLAGS -belf" ;; esac ]) ;; esac else CC="gcc" LIBS="-lsocket -lnsl $LIBS" CPPFLAGS="-D_THREAD_SAFE -pthread $CPPFLAGS" fi ;; sysv5uw7*) LIBS="-lsocket -lnsl $LIBS" if test "$GCC" != "yes"; then # We are using built-in inline function CC="cc -belf" CXX="CC -belf -DNO_CPLUSPLUS_ALLOCA" CFLAGS="$CFLAGS -Kalloca -Kthread" LIBS="-Kthread -lsocket -lnsl $LIBS" else CFLAGS="$CFLAGS -Kalloca -pthread" CXX="$CXX -DNO_CPLUSPLUS_ALLOCA" CPPFLAGS="-D_THREAD_SAFE -pthread $CPPFLAGS" LIBS="-pthread -lsocket -lnsl $LIBS" fi ;; esac dnl Export our compiler preferences for the libtool configuration. export CC CCC CCC=CXX dnl Dynamic library and libtool configuration; optional, but required for dnl Tcl or Java support. LIBDB_ARGS="libdb.a" LIBTOOL="nolibtool" POSTLINK="@true" SOSUFFIX="so" if test "$db_cv_dynamic" = "yes"; then SAVE_CC="${MAKEFILE_CC}" SAVE_CXX="${MAKEFILE_CXX}" # Configure libtool. AC_MSG_CHECKING(libtool configuration) AC_MSG_RESULT([]) ${CONFIG_SHELL-/bin/sh} $srcdir/ltconfig \ --no-verify $srcdir/ltmain.sh \ --output=./libtool $host_os \ --disable-static \ || AC_MSG_ERROR([libtool configure failed]) SOSUFFIX=`sed -e '/^library_names_spec=/!d' -e 's/.*\.\([[a-zA-Z0-9_]]*\).*/\1/' ./libtool` DEFAULT_LIB="\$(libso_target)" DEFAULT_INSTALL="install_dynamic" LIBDB_ARGS="\$(libso_linkname)" LIBTOOL="\$(SHELL) ./libtool" MAKEFILE_CC="\$(LIBTOOL) --mode=compile ${SAVE_CC}" MAKEFILE_CXX="\$(LIBTOOL) --mode=compile ${SAVE_CXX}" MAKEFILE_CCLINK="\$(LIBTOOL) --mode=link ${SAVE_CC}" INSTALLER="\$(LIBTOOL) --mode=install cp" POSTLINK="\$(LIBTOOL) --mode=execute true" SOLINK="\$(LIBTOOL) --mode=link ${SAVE_CC} -avoid-version" SOFLAGS="-rpath \$(libdir)" o=".lo" fi dnl Optional C++ API. if test "$db_cv_cxx" = "yes"; then if test "$db_cv_dynamic" = "yes"; then ADDITIONAL_LIBS="$ADDITIONAL_LIBS \$(libxso_target)" DEFAULT_INSTALL="${DEFAULT_INSTALL} install_dynamic_cxx" else ADDITIONAL_LIBS="$ADDITIONAL_LIBS \$(libcxx)" DEFAULT_INSTALL="${DEFAULT_INSTALL} install_static_cxx" fi fi dnl Optional Java API. if test "$db_cv_java" = "yes"; then if test "$db_cv_dynamic" != "yes"; then AC_MSG_ERROR([--enable-java requires --enable-dynamic]) fi AC_CHECK_PROG(JAVAC, javac, javac, nojavac) if test "$JAVAC" = "nojavac"; then AC_MSG_ERROR([no javac compiler in PATH]) fi AC_CHECK_PROG(JAR, jar, jar, nojar) if test "$JAR" = "nojar"; then AC_MSG_ERROR([no jar utility in PATH]) fi AC_PATH_PROG(JAVACABS, javac, nojavac) ADDITIONAL_LIBS="$ADDITIONAL_LIBS \$(libjso_target)" ADDITIONAL_LANG="$ADDITIONAL_LANG java" DEFAULT_INSTALL="${DEFAULT_INSTALL} install_java" dnl find the include directory relative to the javac executable while ls -ld "$JAVACABS" 2>/dev/null | grep " -> " >/dev/null; do AC_MSG_CHECKING(symlink for $JAVACABS) JAVACLINK=`ls -ld $JAVACABS | sed 's/.* -> //'` case "$JAVACLINK" in /*) JAVACABS="$JAVACLINK";; dnl 'X' avoids triggering unwanted echo options. *) JAVACABS=`echo "X$JAVACABS" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$JAVACLINK";; esac AC_MSG_RESULT($JAVACABS) done JTOPDIR=`echo "$JAVACABS" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'` if test -f "$JTOPDIR/include/jni.h"; then CPPFLAGS="$CPPFLAGSS -I$JTOPDIR/include" else JTOPDIR=`echo "$JTOPDIR" | sed -e 's:/[[^/]]*$::'` if test -f "$JTOPDIR/include/jni.h"; then CPPFLAGS="$CPPFLAGS -I$JTOPDIR/include" else AC_MSG_ERROR([cannot find java include files]) fi fi dnl get the likely subdirectories for system specific java includes case "$host_os" in solaris*) JINCSUBDIRS="solaris";; linux*) JINCSUBDIRS="linux genunix";; *) JINCSUBDIRS="genunix";; esac for JINCSUBDIR in $JINCSUBDIRS do if test -d "$JTOPDIR/include/$JINCSUBDIR"; then CPPFLAGS="$CPPFLAGS -I$JTOPDIR/include/$JINCSUBDIR" fi done else JAVAC=nojavac fi dnl Optional RPC client/server. if test "$db_cv_rpc" = "yes"; then AC_DEFINE(HAVE_RPC) RPC_OBJS="\$(RPC_OBJS)" ADDITIONAL_PROGS="berkeley_db_svc $ADDITIONAL_PROGS" case "$host_os" in hpux*) AC_CHECK_FUNC(svc_run,, AC_CHECK_LIB(nsl, svc_run, LIBS="-lnsl $LIBS"; LIBTSO_LIBS="-lnsl $LIBTSO_LIBS"));; solaris*) AC_CHECK_FUNC(svc_run,, AC_CHECK_LIB(nsl, svc_run));; esac fi AM_TCL_LOAD dnl Optional DB 1.85 compatibility API. if test "$db_cv_compat185" = "yes"; then ADDITIONAL_INCS="db_185.h $ADDITIONAL_INCS" ADDITIONAL_OBJS="db185${o} $ADDITIONAL_OBJS" fi dnl Optional utilities. if test "$db_cv_dump185" = "yes"; then ADDITIONAL_PROGS="db_dump185 $ADDITIONAL_PROGS" fi dnl Test Server. dnl Include -lpthread if the library exists. SCOLIBS=$LIBS AC_CHECK_LIB(pthread, pthread_create, DBS_LIBS=-lpthread) case "$host_os" in sysv5uw7*) LIBS=$SCOLIBS;; sco3.2v5*) LIBS=$SCOLIBS;; esac dnl Checks for typedefs, structures, and system/compiler characteristics. AC_C_BIGENDIAN AC_C_CONST AC_HEADER_STAT AC_HEADER_TIME AC_STRUCT_ST_BLKSIZE AC_TYPE_MODE_T AC_TYPE_OFF_T AC_TYPE_PID_T AC_TYPE_SIZE_T dnl Define any short-hand types we're missing. AM_SHORTHAND_TYPES dnl Checks for header files. AC_HEADER_DIRENT AC_CHECK_HEADERS(sys/select.h) AC_CHECK_HEADERS(sys/time.h) dnl Check for mutexes. We do this here because it changes $LIBS. AM_DEFINE_MUTEXES dnl Checks for system functions for which we have replacements. dnl dnl XXX dnl The only portable getcwd call is getcwd(char *, size_t), where the dnl buffer is non-NULL -- Solaris can't handle a NULL buffer, and they dnl deleted getwd(). AC_REPLACE_FUNCS(getcwd getopt memcmp memcpy memmove) AC_REPLACE_FUNCS(raise snprintf strcasecmp strerror vsnprintf) dnl XXX dnl Nasty hack. AC_REPLACE_FUNCS added entries of the form xxx.o to the dnl LIBOBJS variable. They have to be xxx.lo if we are building shared dnl libraries. Use sed, configure already requires it. tmp="`echo \"$LIBOBJS\" | sed \"s/\.o/${o}/g\"`" LIBOBJS="$tmp" dnl Check for system functions we optionally use. AC_CHECK_FUNCS(getuid pstat_getdynamic sysconf sched_yield strtoul yield) dnl Pread/pwrite. dnl dnl HP-UX has pread/pwrite, but it doesn't work with bigfile support. case "$host_os" in hpux*) AC_MSG_WARN([pread/pwrite interfaces ignored on $host_os.]);; *) AC_CHECK_FUNCS(pread pwrite) esac dnl Check for fcntl(2) to deny child process access to file descriptors. AC_CACHE_CHECK([for fcntl/F_SETFD], db_cv_fcntl_f_setfd, [dnl AC_TRY_RUN([ #include <sys/types.h> #include <fcntl.h> main(){exit(fcntl(1, F_SETFD, 1) == -1);}], [db_cv_fcntl_f_setfd=yes], [db_cv_fcntl_f_setfd=no])]) if test "$db_cv_fcntl_f_setfd" = yes; then AC_DEFINE(HAVE_FCNTL_F_SETFD) fi dnl A/UX has a broken getopt(3). case "$host_os" in aux*) ADDITIONAL_OBJS="getopt${o} $ADDITIONAL_OBJS";; esac dnl Checks for system functions for which we don't have replacements. dnl We require qsort(3) and select(2). AC_CHECK_FUNCS(qsort, , AC_MSG_ERROR([No qsort library function.])) AC_CHECK_FUNCS(select, , AC_MSG_ERROR([No select library function.])) dnl Some versions of sprintf return a pointer to the first argument instead dnl of a character count. We assume that the return value of snprintf and dnl vsprintf etc. will be the same as sprintf, and check the easy one. AC_CACHE_CHECK([for int type sprintf return value], db_cv_sprintf_count, [dnl AC_TRY_RUN([main(){char buf[20]; exit(sprintf(buf, "XXX") != 3);}], [db_cv_sprintf_count=yes], [db_cv_sprintf_count=no])]) if test "$db_cv_sprintf_count" = no; then AC_DEFINE(SPRINTF_RET_CHARPNT) fi dnl Vendors are doing 64-bit lseek in different ways. dnl AIX, HP/UX, Solaris and Linux all use _FILE_OFFSET_BITS dnl to specify a "big-file" environment. dnl dnl You can't build C++ with big-file support on HP-UX, the include files dnl are wrong. On Solaris 8, <fcntl.h> included with big-file support dnl is not compatible with C++. if test "$db_cv_bigfile" = no; then case "$host_os" in solaris2.8|hpux*) if test "$db_cv_cxx" = "yes"; then AC_MSG_WARN([Large file and C++ API support are incompatible on HP-UX]) AC_MSG_WARN([and Solaris 8; large file support has been turned off.]) else AC_DEFINE(HAVE_FILE_OFFSET_BITS) fi;; aix*|solaris*|linux*) AC_DEFINE(HAVE_FILE_OFFSET_BITS);; esac fi dnl Figure out how to create shared regions. dnl dnl First, we look for mmap. dnl dnl BSD/OS has mlock(2), but it doesn't work until the 4.1 release. dnl dnl Nextstep (version 3.3) apparently supports mmap(2) (the mmap symbol dnl is defined in the C library) but does not support munmap(2). Don't dnl try to use mmap if we can't find munmap. dnl dnl Ultrix has mmap(2), but it doesn't work. mmap_ok=no case "$host_os" in bsdi3*|bsdi4.0) AC_MSG_WARN([mlock(2) interface ignored on BSD/OS 3.X and 4.0.]) mmap_ok=yes AC_CHECK_FUNCS(mmap munmap, , mmap_ok=no);; ultrix*) AC_MSG_WARN([mmap(2) interface ignored on Ultrix.]);; *) mmap_ok=yes AC_CHECK_FUNCS(mlock munlock) AC_CHECK_FUNCS(mmap munmap, , mmap_ok=no);; esac dnl Second, we look for shmget. dnl dnl SunOS has the shmget(2) interfaces, but there appears to be a missing dnl #include <debug/debug.h> file, so we ignore them. shmget_ok=no case "$host_os" in sunos*) AC_MSG_WARN([shmget(2) interface ignored on SunOS.]);; *) shmget_ok=yes AC_CHECK_FUNCS(shmget, , shmget_ok=no);; esac dnl We require either mmap/munmap(2) or shmget(2). if test "$mmap_ok" = no -a "$shmget_ok" = no; then AC_MSG_WARN([Neither mmap/munmap(2) or shmget(2) library functions.]) fi dnl Check for programs used in building and installation. AM_PROGRAMS_SET CREATE_LIST="Makefile include.tcl:../test/include.tcl db.h:../include/db.src db_int.h:../include/db_int.src" if test "$db_cv_compat185" = "yes"; then CREATE_LIST="${CREATE_LIST} db_185.h:../include/db_185.h" fi AC_OUTPUT(${CREATE_LIST})