diff options
Diffstat (limited to 'unix/configure.in')
| -rw-r--r-- | unix/configure.in | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/unix/configure.in b/unix/configure.in new file mode 100644 index 0000000..7f3c15f --- /dev/null +++ b/unix/configure.in @@ -0,0 +1,407 @@ +dnl This file is an input file used by the GNU "autoconf" program to +dnl generate the file "configure", which is run during Tk installation +dnl to configure the system for the local environment. +AC_INIT(../generic/tk.h) +# SCCS: @(#) configure.in 1.90 97/11/20 12:45:45 + +TK_VERSION=8.0 +TK_MAJOR_VERSION=8 +TK_MINOR_VERSION=0 +TK_PATCH_LEVEL="p2" +VERSION=${TK_VERSION} + +if test "${prefix}" = "NONE"; then + prefix=/usr/local +fi +if test "${exec_prefix}" = "NONE"; then + exec_prefix=$prefix +fi +TK_SRC_DIR=`cd $srcdir/..; pwd` + +AC_PROG_RANLIB +AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available], + [tk_ok=$enableval], [tkl_ok=no]) +if test "$tk_ok" = "yes"; then + AC_PROG_CC +else + CC=${CC-cc} +AC_SUBST(CC) +fi +AC_C_CROSS +AC_HAVE_HEADERS(unistd.h limits.h) + +#-------------------------------------------------------------------- +# See if there was a command-line option for where Tcl is; if +# not, assume that its top-level directory is a sibling of ours. +#-------------------------------------------------------------------- + +AC_ARG_WITH(tcl, [ --with-tcl=DIR use Tcl 8.0 binaries from DIR], + TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd ../../tcl8.0/unix; pwd`) +if test ! -d $TCL_BIN_DIR; then + AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR doesn't exist) +fi +if test ! -f $TCL_BIN_DIR/Makefile; then + AC_MSG_ERROR(There's no Makefile in $TCL_BIN_DIR; perhaps you didn't specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?) +fi + +#-------------------------------------------------------------------- +# Read in configuration information generated by Tcl for shared +# libraries, and arrange for it to be substituted into our +# Makefile. +#-------------------------------------------------------------------- + +file=$TCL_BIN_DIR/tclConfig.sh +. $file +SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS +SHLIB_LD=$TCL_SHLIB_LD +SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS +SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX +SHLIB_VERSION=$TCL_SHLIB_VERSION +DL_LIBS=$TCL_DL_LIBS +LD_FLAGS=$TCL_LD_FLAGS + +LIB_RUNTIME_DIR='${LIB_RUNTIME_DIR}' + +# If Tcl and Tk are installed in different places, adjust the library +# search path to reflect this. + +if test "$TCL_EXEC_PREFIX" != "$exec_prefix"; then + LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${TCL_EXEC_PREFIX}" +fi + +#-------------------------------------------------------------------- +# Supply a substitute for stdlib.h if it doesn't define strtol, +# strtoul, or strtod (which it doesn't in some versions of SunOS). +#-------------------------------------------------------------------- + +AC_MSG_CHECKING(stdlib.h) +AC_HEADER_EGREP(strtol, stdlib.h, tk_ok=yes, tk_ok=no) +AC_HEADER_EGREP(strtoul, stdlib.h, , tk_ok=no) +AC_HEADER_EGREP(strtod, stdlib.h, , tk_ok=no) +if test $tk_ok = no; then + AC_DEFINE(NO_STDLIB_H) +fi +AC_MSG_RESULT($tk_ok) + +#-------------------------------------------------------------------- +# Include sys/select.h if it exists and if it supplies things +# that appear to be useful and aren't already in sys/types.h. +# This appears to be true only on the RS/6000 under AIX. Some +# systems like OSF/1 have a sys/select.h that's of no use, and +# other systems like SCO UNIX have a sys/select.h that's +# pernicious. If "fd_set" isn't defined anywhere then set a +# special flag. +#-------------------------------------------------------------------- + +AC_MSG_CHECKING([fd_set and sys/select]) +AC_TRY_COMPILE([#include <sys/types.h>], + [fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no) +if test $tk_ok = no; then + AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes) + if test $tk_ok = yes; then + AC_DEFINE(HAVE_SYS_SELECT_H) + fi +fi +AC_MSG_RESULT($tk_ok) +if test $tk_ok = no; then + AC_DEFINE(NO_FD_SET) +fi + +#-------------------------------------------------------------------- +# Check for various typedefs and provide substitutes if +# they don't exist. +#-------------------------------------------------------------------- + +AC_MODE_T +AC_PID_T +AC_SIZE_T +AC_UID_T + +#------------------------------------------------------------------------------ +# Find out about time handling differences. +#------------------------------------------------------------------------------ + +AC_CHECK_HEADERS(sys/time.h) +AC_HEADER_TIME + +#-------------------------------------------------------------------- +# Locate the X11 header files and the X11 library archive. Try +# the ac_path_x macro first, but if it doesn't find the X stuff +# (e.g. because there's no xmkmf program) then check through +# a list of possible directories. Under some conditions the +# autoconf macro will return an include directory that contains +# no include files, so double-check its result just to be safe. +#-------------------------------------------------------------------- + +AC_PATH_X +not_really_there="" +if test "$no_x" = ""; then + if test "$x_includes" = ""; then + AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes") + else + if test ! -r $x_includes/X11/Intrinsic.h; then + not_really_there="yes" + fi + fi +fi +if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then + AC_MSG_CHECKING(for X11 header files) + XINCLUDES="# no special path needed" + AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope") + if test "$XINCLUDES" = nope; then + dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include" + for i in $dirs ; do + if test -r $i/X11/Intrinsic.h; then + AC_MSG_RESULT($i) + XINCLUDES=" -I$i" + break + fi + done + fi +else + if test "$x_includes" != ""; then + XINCLUDES=-I$x_includes + else + XINCLUDES="# no special path needed" + fi +fi +if test "$XINCLUDES" = nope; then + AC_MSG_RESULT(couldn't find any!) + XINCLUDES="# no include files found" +fi + +if test "$no_x" = yes; then + AC_MSG_CHECKING(for X11 libraries) + XLIBSW=nope + dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib" + for i in $dirs ; do + if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then + AC_MSG_RESULT($i) + XLIBSW="-L$i -lX11" + x_libraries="$i" + break + fi + done +else + if test "$x_libraries" = ""; then + XLIBSW=-lX11 + else + XLIBSW="-L$x_libraries -lX11" + fi +fi +if test "$XLIBSW" = nope ; then + AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow) +fi +if test "$XLIBSW" = nope ; then + AC_MSG_RESULT(couldn't find any! Using -lX11.) + XLIBSW=-lX11 +fi + +#-------------------------------------------------------------------- +# Various manipulations on the search path used at runtime to +# find shared libraries: +# 1. If the X library binaries are in a non-standard directory, +# add the X library location into that search path. +# 2. On systems such as AIX and Ultrix that use "-L" as the +# search path option, colons cannot be used to separate +# directories from each other. Change colons to " -L". +# 3. Create two sets of search flags, one for use in cc lines +# and the other for when the linker is invoked directly. In +# the second case, '-Wl,' must be stripped off and commas must +# be replaced by spaces. +#-------------------------------------------------------------------- + +if test "x${x_libraries}" != "x"; then + LIB_RUNTIME_DIR="${LIB_RUNTIME_DIR}:${x_libraries}" +fi +if test "${TCL_LD_SEARCH_FLAGS}" = '-L${LIB_RUNTIME_DIR}'; then + LIB_RUNTIME_DIR=`echo ${LIB_RUNTIME_DIR} |sed -e 's/:/ -L/g'` +fi + +# The statement below is very tricky! It actually *evaluates* the +# string in TCL_LD_SEARCH_FLAGS, which causes a substitution of the +# variable LIB_RUNTIME_DIR. + +eval "TK_CC_SEARCH_FLAGS=\"$TCL_LD_SEARCH_FLAGS\"" +TK_LD_SEARCH_FLAGS=`echo ${TK_CC_SEARCH_FLAGS} |sed -e "s|-Wl,||g" -e "s|,| |g"` + +#-------------------------------------------------------------------- +# Check for the existence of various libraries. The order here +# is important, so that then end up in the right order in the +# command line generated by make. The -lsocket and -lnsl libraries +# require a couple of special tricks: +# 1. Use "connect" and "accept" to check for -lsocket, and +# "gethostbyname" to check for -lnsl. +# 2. Use each function name only once: can't redo a check because +# autoconf caches the results of the last check and won't redo it. +# 3. Use -lnsl and -lsocket only if they supply procedures that +# aren't already present in the normal libraries. This is because +# IRIX 5.2 has libraries, but they aren't needed and they're +# bogus: they goof up name resolution if used. +# 4. On some SVR4 systems, can't use -lsocket without -lnsl too. +# To get around this problem, check for both libraries together +# if -lsocket doesn't work by itself. +#-------------------------------------------------------------------- + +AC_CHECK_LIB(Xbsd, main, [LIBS="$LIBS -lXbsd"]) + +tk_checkBoth=0 +AC_CHECK_FUNC(connect, tk_checkSocket=0, tk_checkSocket=1) +if test "$tk_checkSocket" = 1; then + AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tk_checkBoth=1) +fi +if test "$tk_checkBoth" = 1; then + tk_oldLibs=$LIBS + LIBS="$LIBS -lsocket -lnsl" + AC_CHECK_FUNC(accept, tk_checkNsl=0, [LIBS=$tk_oldLibs]) +fi +AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])) + +#-------------------------------------------------------------------- +# One more check related to the X libraries. The standard releases +# of Ultrix don't support the "xauth" mechanism, so send won't work +# unless TK_NO_SECURITY is defined. However, there are usually copies +# of the MIT X server available as well, which do support xauth. +# Check for the MIT stuff and use it if it exists. +# +# Note: can't use ac_check_lib macro (at least, not in Autoconf 2.1) +# because it can't deal with the "-" in the library name. +#-------------------------------------------------------------------- + +if test -d /usr/include/mit ; then + AC_MSG_CHECKING([MIT X libraries]) + tk_oldCFlags=$CFLAGS + CFLAGS="$CFLAGS -I/usr/include/mit" + tk_oldLibs=$LIBS + LIBS="$LIBS -lX11-mit" + AC_TRY_LINK([ + #include <X11/Xlib.h> + ], [ + XOpenDisplay(0); + ], [ + AC_MSG_RESULT(yes) + XLIBSW="-lX11-mit" + XINCLUDES="-I/usr/include/mit" + ], AC_MSG_RESULT(no)) + CFLAGS=$tk_oldCFlags + LIBS=$tk_oldLibs +fi + +#-------------------------------------------------------------------- +# On a few very rare systems, all of the libm.a stuff is +# already in libc.a. Set compiler flags accordingly. +# Also, Linux requires the "ieee" library for math to +# work right (and it must appear before "-lm"). +#-------------------------------------------------------------------- + +MATH_LIBS="" +AC_CHECK_FUNC(sin, , MATH_LIBS="-lm") +AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) + +#-------------------------------------------------------------------- +# If this system doesn't have a memmove procedure, use memcpy +# instead. +#-------------------------------------------------------------------- + +AC_CHECK_FUNC(memmove, , [AC_DEFINE(memmove, memcpy)]) + +#-------------------------------------------------------------------- +# Figure out whether "char" is unsigned. If so, set a +# #define for __CHAR_UNSIGNED__. +#-------------------------------------------------------------------- + +AC_C_CHAR_UNSIGNED + +#-------------------------------------------------------------------- +# Under Solaris 2.4, strtod returns the wrong value for the +# terminating character under some conditions. Check for this +# and if the problem exists use a substitute procedure +# "fixstrtod" (provided by Tcl) that corrects the error. +#-------------------------------------------------------------------- + +AC_CHECK_FUNC(strtod, tk_strtod=1, tk_strtod=0) +if test "$tk_strtod" = 1; then + AC_MSG_CHECKING([for Solaris 2.4 strtod bug]) + AC_TRY_RUN([ + extern double strtod(); + int main() + { + char *string = "NaN"; + char *term; + strtod(string, &term); + if ((term != string) && (term[-1] == 0)) { + exit(1); + } + exit(0); + }], tk_ok=1, tk_ok=0, tk_ok=0) + if test "$tk_ok" = 1; then + AC_MSG_RESULT(ok) + else + AC_MSG_RESULT(buggy) + AC_DEFINE(strtod, fixstrtod) + fi +fi + +#-------------------------------------------------------------------- +# The statements below define a collection of symbols related to +# building libtk as a shared library instead of a static library. +#-------------------------------------------------------------------- + +AC_ARG_ENABLE(shared, + [ --enable-shared build libtk as a shared library], + [ok=$enableval], [ok=no]) +if test "$ok" = "yes" -a "${SHLIB_SUFFIX}" != ""; then + TK_SHARED_BUILD=1 + TK_SHLIB_CFLAGS="${SHLIB_CFLAGS}" + eval "TK_LIB_FILE=libtk${TCL_SHARED_LIB_SUFFIX}" + MAKE_LIB="\${SHLIB_LD} -o ${TK_LIB_FILE} \${OBJS} \$(TK_LD_SEARCH_FLAGS) ${SHLIB_LD_LIBS}" + RANLIB=":" +else + TK_SHARED_BUILD=0 + TK_SHLIB_CFLAGS="" + eval "TK_LIB_FILE=libtk${TCL_UNSHARED_LIB_SUFFIX}" + MAKE_LIB="ar cr ${TK_LIB_FILE} \${OBJS}" +fi + +# Note: in the following variable, it's important to use the absolute +# path name of the Tcl directory rather than "..": this is because +# AIX remembers this path and will attempt to use it at run-time to look +# up the Tcl library. + +if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then + TK_BUILD_LIB_SPEC="-L`pwd` -ltk${VERSION}" + TK_LIB_SPEC="-L${exec_prefix}/lib -ltk${VERSION}" +else + TK_BUILD_LIB_SPEC="-L`pwd` -ltk`echo ${VERSION} | tr -d .`" + TK_LIB_SPEC="-L${exec_prefix}/lib -ltk`echo ${VERSION} | tr -d .`" +fi + +AC_SUBST(DL_LIBS) +AC_SUBST(LD_FLAGS) +AC_SUBST(MATH_LIBS) +AC_SUBST(MAKE_LIB) +AC_SUBST(SHLIB_CFLAGS) +AC_SUBST(SHLIB_LD) +AC_SUBST(SHLIB_LD_LIBS) +AC_SUBST(SHLIB_SUFFIX) +AC_SUBST(SHLIB_VERSION) +AC_SUBST(TCL_BIN_DIR) +AC_SUBST(TCL_BUILD_LIB_SPEC) +AC_SUBST(TCL_SRC_DIR) +AC_SUBST(TCL_VERSION) +AC_SUBST(TK_BUILD_LIB_SPEC) +AC_SUBST(TK_CC_SEARCH_FLAGS) +AC_SUBST(TK_LD_SEARCH_FLAGS) +AC_SUBST(TK_LIB_FILE) +AC_SUBST(TK_LIB_SPEC) +AC_SUBST(TK_MAJOR_VERSION) +AC_SUBST(TK_MINOR_VERSION) +AC_SUBST(TK_PATCH_LEVEL) +AC_SUBST(TK_SHLIB_CFLAGS) +AC_SUBST(TK_SRC_DIR) +AC_SUBST(TK_VERSION) +AC_SUBST(XINCLUDES) +AC_SUBST(XLIBSW) +AC_SUBST(TK_SHARED_BUILD) + +AC_OUTPUT(Makefile tkConfig.sh) |