614 lines
16 KiB
Plaintext
614 lines
16 KiB
Plaintext
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dnl ---------------------------------------------------------------------------
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dnl This file offers the following macros...
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dnl ---------------------------------------------------------------------------
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dnl MH_IPC
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dnl MH_CHECK_X_INC
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dnl MH_CHECK_X_LIB
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dnl MH_CHECK_X_HEADERS
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dnl MH_CHECK_X_KEYDEFS
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dnl MH_CHECK_X_TYPEDEF
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dnl MH_CHECK_LIB
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dnl MH_SHARED_LIBRARY
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dnl MH_HOWTO_DYN_LINK
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dnl MH_CHECK_CC_O
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dnl MH_SHLPST
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dnl MH_CHECK_MAX_SIGNALS
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dnl ---------------------------------------------------------------------------
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dnl Determine if the system has System V IPC. ie sys/ipc.h and sys/shm.h
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dnl headers.
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_IPC],
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[
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AC_CHECK_HEADER(sys/ipc.h)
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if test $ac_cv_header_sys_ipc_h = no; then
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AC_MSG_ERROR(Cannot find required header file sys/ipc.h; PDCurses cannot be configured)
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fi
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Set up the correct X header file location
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_INC],
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[
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mh_x11_dir=""
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mh_x11_xaw_dir=""
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mh_inc_dirs="$ac_x_header_dirs"
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dnl Provide for user supplying directory
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if test "x$x_includes" != xNONE ; then
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mh_inc_dirs="$x_includes $mh_inc_dirs"
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fi
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dnl Try to determine the directory containing X headers
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dnl We will append X11 to all the paths above as an extra check
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for ac_dir in $mh_inc_dirs ; do
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if test -r $ac_dir/Intrinsic.h; then
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mh_x11_dir=$ac_dir
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break
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fi
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if test -r $ac_dir/X11/Intrinsic.h; then
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mh_x11_dir="$ac_dir/X11"
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break
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fi
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done
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dnl Try to determine the directory containing Xaw headers
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dnl We will append X11 to all the paths above as an extra check
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if test "$with_xaw3d" = yes; then
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mh_xaw_dir="Xaw3d"
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else
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if test "$with_nextaw" = yes; then
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mh_xaw_dir="neXtaw"
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else
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mh_xaw_dir="Xaw"
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fi
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fi
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for ac_dir in $mh_inc_dirs ; do
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if test -r $ac_dir/$mh_xaw_dir/Box.h; then
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mh_x11_xaw_dir=$ac_dir
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break
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fi
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if test -r $ac_dir/X11/$mh_xaw_dir/Box.h; then
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mh_x11_xaw_dir="$ac_dir/X11"
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break
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fi
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done
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if test "x$mh_x11_dir" != "x" ; then
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mh_x11_dir_no_x11=`echo $mh_x11_dir | sed 's/\/X11$//'`
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if test "$mh_x11_dir_no_x11" != "$mh_x11_dir" ; then
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MH_XINC_DIR="-I$mh_x11_dir -I$mh_x11_dir_no_x11"
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else
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MH_XINC_DIR="-I$mh_x11_dir"
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fi
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else
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AC_MSG_ERROR(Cannot find required header file Intrinsic.h; PDCurses cannot be configured)
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fi
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if test "x$mh_x11_xaw_dir" != "x"; then
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if test "$mh_x11_xaw_dir" != "$mh_x11_dir" ; then
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MH_XINC_DIR="-I$mh_x11_xaw_dir $MH_XINC_DIR"
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fi
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else
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AC_MSG_ERROR(Cannot find required Xaw header file Box.h; PDCurses cannot be configured)
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fi
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AC_SUBST(MH_XINC_DIR)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Set up the correct X library file location
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_LIB],
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[
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dnl Some systems require extra libraries...
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mh_solaris_flag=no
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mh_hpux9_flag=no
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AC_REQUIRE([AC_CANONICAL_SYSTEM])
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case "$target" in
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*solaris*)
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mh_solaris_flag=yes
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;;
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*pc-sco*)
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extra_x_libs="Xext"
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;;
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sparc*sunos*)
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extra_x_libs="Xext"
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if test "$ac_cv_prog_CC" = "gcc" ; then
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extra_ld_flags="-Wl,-Bstatic"
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extra_ld_flags2="-Wl,-Bdynamic"
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else
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extra_ld_flags="-Bstatic"
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extra_ld_flags2="-Bdynamic"
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fi
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;;
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*hpux9*)
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mh_hpux9_flag=yes
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;;
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esac
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if test "$with_xaw3d" = yes; then
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MH_X11_LIBS="Xaw3d Xmu Xt X11"
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else
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if test "$with_nextaw" = yes; then
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MH_X11_LIBS="neXtaw Xmu Xt X11"
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else
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MH_X11_LIBS="Xaw Xmu Xt X11"
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fi
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fi
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MH_X11R6_LIBS="SM ICE Xext"
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mh_x11r6=no
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mh_lib_dirs="$x_libraries `echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`"
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dnl try to find libSM.[a,sl,so,dylib]. If we find it we are using X11R6
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for ac_dir in $mh_lib_dirs ; do
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for mh_xsm in libSM.a libSM.so libSM.sl libSM.dylib; do
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if test -r $ac_dir/$mh_xsm; then
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mh_x11r6=yes
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break 2
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fi
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done
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done
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if test "$mh_x11r6" = yes ; then
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mh_libs="$MH_X11_LIBS $MH_X11R6_LIBS"
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else
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mh_libs="$MH_X11_LIBS $extra_x_libs"
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fi
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dnl Ensure that all required X libraries are found
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mh_prev_dir=""
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mh_where_found=""
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mh_where_found_dirs=""
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mh_solaris_path=""
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for mh_lib in $mh_libs; do
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mh_lib_found=no
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for ac_dir in $mh_lib_dirs ; do
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for mh_ext in a so sl dll.a dylib; do
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if test -r $ac_dir/lib$mh_lib.$mh_ext; then
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if test "x$mh_prev_dir" != "x$ac_dir" ; then
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if test "x$mh_prev_dir" = "x" ; then
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mh_where_found="$mh_where_found found in $ac_dir"
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else
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mh_where_found="$mh_where_found and in $ac_dir"
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fi
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mh_prev_dir=$ac_dir
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mh_where_found_dirs="$mh_where_found_dirs $ac_dir"
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MH_XLIBS="$MH_XLIBS -L$ac_dir"
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mh_solaris_path="${mh_solaris_path}:$ac_dir"
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fi
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MH_XLIBS="$MH_XLIBS -l$mh_lib"
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mh_lib_found=yes
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break 2
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fi
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done
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done
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if test "$mh_lib_found" = no; then
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AC_MSG_ERROR(Cannot find required X library; lib$mh_lib. PDCurses cannot be configured)
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fi
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done
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mh_solaris_path=`echo $mh_solaris_path | sed 's/^://'`
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if test "$mh_solaris_flag" = yes ; then
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MH_XLIBS="-R$mh_solaris_path $extra_ld_flags $MH_XLIBS $extra_libs $extra_ld_flags2"
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else
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MH_XLIBS="$extra_ld_flags $MH_XLIBS $extra_libs $extra_ld_flags2"
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fi
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if test "$mh_hpux9_flag" = yes ; then
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grep -q XtSetLanguageProc $mh_x11_dir/Intrinsic.h
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if test $? -eq 0 ; then
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mh_found_xtshellstrings=no
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for mh_acdir in $mh_where_found_dirs ; do
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for mh_xaw in `ls $mh_acdir/libXaw.*` ; do
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nm $mh_xaw | grep XtShellStrings | grep -qv extern
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if test $? -eq 0 ; then
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mh_found_xtshellstrings=yes
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fi
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done
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done
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if test "$mh_found_xtshellstrings" = no ; then
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AC_MSG_WARN(The X11 development environment has not been installed correctly.)
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AC_MSG_WARN(The header file; Intrinsic.h, is for X11R5 while the Athena Widget)
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AC_MSG_WARN(Set library; libXaw is for X11R4. This is a common problem with)
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AC_MSG_WARN(HP-UX 9.x.)
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AC_MSG_ERROR(X11 installation incomplete; cannot continue)
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fi
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fi
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fi
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AC_SUBST(MH_XLIBS)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine if the supplied X headers exist.
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_HEADERS],
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[
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save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $MH_XINC_DIR"
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for mh_header in $1; do
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AC_CHECK_HEADERS($mh_header)
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done
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CPPFLAGS="$save_CPPFLAGS"
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine if various key definitions exist in keysym.h
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_KEYDEFS],
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[
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save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $MH_XINC_DIR"
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for mh_keydef in $1; do
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AC_MSG_CHECKING(for $mh_keydef in keysym.h)
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mh_upper_name="HAVE_`echo $mh_keydef | tr '[a-z]' '[A-Z]'`"
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AC_TRY_COMPILE([#include <keysym.h>],
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[int i = $mh_keydef;],
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mh_have_key=yes; AC_DEFINE_UNQUOTED($mh_upper_name,1), mh_have_key=no )
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AC_MSG_RESULT($mh_have_key)
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done
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CPPFLAGS="$save_CPPFLAGS"
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine if supplied types have been typedefed
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_TYPEDEF],
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[
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save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $SYS_DEFS $MH_XINC_DIR"
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for td in $1 ; do
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AC_MSG_CHECKING(if $td is typedefed:)
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AC_TRY_COMPILE(
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[#include "X11/Xlib.h"],
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[$td fred],
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[mh_td=yes],
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[mh_td=no]
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)
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if test "$mh_td" = yes ; then
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TD_upper=`echo $td | tr a-z A-Z`
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AC_DEFINE_UNQUOTED(${TD_upper}_TYPEDEFED, 1)
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fi
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AC_MSG_RESULT($mh_td)
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done
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CPPFLAGS="$save_CPPFLAGS"
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check for presence of various libraries
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_LIB],
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[
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MH_EXTRA_LIBS=''
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for mh_lib in $1; do
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if test "$on_qnx" = yes; then
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AC_MSG_CHECKING(for library -l${mh_lib})
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if test -r /usr/lib/${mh_lib}3r.lib; then
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AC_MSG_RESULT(found)
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MH_EXTRA_LIBS="${MH_EXTRA_LIBS} -l${mh_lib}"
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else
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AC_MSG_RESULT(not found)
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fi
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else
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AC_CHECK_LIB($mh_lib,main,mh_lib_found=yes,mh_lib_found=no)
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if test "$mh_lib_found" = yes; then
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MH_EXTRA_LIBS="${MH_EXTRA_LIBS} -l${mh_lib}"
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fi
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fi
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done
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Work out how to create a dynamically loaded module
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_HOWTO_DYN_LINK],
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[
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mh_compile='${CC-cc} -c $DYN_COMP conftest.$ac_ext 1>&AC_FD_CC'
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cat > conftest.$ac_ext <<EOF
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dnl [#]line __oline__ "[$]0"
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[#]line __oline__ "configure"
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int foo()
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{
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return(0);
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}
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EOF
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if AC_TRY_EVAL(mh_compile) && test -s conftest.o; then
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mh_dyn_link='ld -shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
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# mh_dyn_link='${CC} -Wl,-shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
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if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
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LD_RXLIB1="ld -shared"
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# LD_RXLIB1="${CC} -Wl,-shared"
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SHLPRE="lib"
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SHLPST=".so"
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else
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mh_dyn_link='ld -G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
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# mh_dyn_link='${CC} -Wl,-G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
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if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
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LD_RXLIB1="ld -G"
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# LD_RXLIB1="${CC} -Wl,-G"
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SHLPRE="lib"
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SHLPST=".so"
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else
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LD_RXLIB1=""
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||
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SHLPRE=""
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SHLPST=""
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fi
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||
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fi
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fi
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rm -f conftest*
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine how to build shared libraries etc..
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||
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dnl ---------------------------------------------------------------------------
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|
|
AC_DEFUN([MH_SHARED_LIBRARY],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([MH_SHLPST])
|
||
|
|
dnl
|
||
|
|
dnl If compiler is gcc, then flags should be the same for all platforms
|
||
|
|
dnl (just guessing on this)
|
||
|
|
dnl
|
||
|
|
AIX_DYN="no"
|
||
|
|
BEOS_DYN="no"
|
||
|
|
SHLFILE="$1"
|
||
|
|
SHLFILES="$*"
|
||
|
|
RXPACKEXPORTS=""
|
||
|
|
SHLPRE="lib"
|
||
|
|
LD_RXLIB1=""
|
||
|
|
|
||
|
|
AC_REQUIRE([AC_CANONICAL_SYSTEM])
|
||
|
|
case "$target" in
|
||
|
|
*hp-hpux*)
|
||
|
|
SYS_DEFS="-D_HPUX_SOURCE"
|
||
|
|
LD_RXLIB1="ld -b -q -n"
|
||
|
|
;;
|
||
|
|
*ibm-aix*)
|
||
|
|
SYS_DEFS="-D_ALL_SOURCE -DAIX"
|
||
|
|
AIX_DYN="yes"
|
||
|
|
DYN_COMP="-DDYNAMIC"
|
||
|
|
LD_RXLIB1="ld -bnoentry -bM:SRE"
|
||
|
|
RXPACKEXPORTS="-bE:$SHLFILE.exp"
|
||
|
|
RXPACKEXP="$SHLFILE.exp"
|
||
|
|
;;
|
||
|
|
*dec-osf*)
|
||
|
|
if test "$ac_cv_prog_CC" = "gcc"; then
|
||
|
|
SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE"
|
||
|
|
else
|
||
|
|
SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE -Olimit 800"
|
||
|
|
fi
|
||
|
|
LD_RXLIB1="ld -shared"
|
||
|
|
;;
|
||
|
|
*sequent-dynix*|*esix*|*dgux*)
|
||
|
|
LD_RXLIB1="ld -G"
|
||
|
|
;;
|
||
|
|
*solaris*)
|
||
|
|
if test "$ac_cv_prog_CC" = "gcc"; then
|
||
|
|
LD_RXLIB1="gcc -shared"
|
||
|
|
else
|
||
|
|
LD_RXLIB1="ld -G"
|
||
|
|
fi
|
||
|
|
;;
|
||
|
|
sparc*sunos*)
|
||
|
|
SYS_DEFS="-DSUNOS -DSUNOS_STRTOD_BUG"
|
||
|
|
LD_RXLIB1="ld"
|
||
|
|
;;
|
||
|
|
*linux*|*atheos*|*nto-qnx*)
|
||
|
|
LD_RXLIB1="${CC} -shared"
|
||
|
|
;;
|
||
|
|
*freebsd*)
|
||
|
|
LD_RXLIB1="ld -Bdynamic -Bshareable"
|
||
|
|
;;
|
||
|
|
*pc-sco*)
|
||
|
|
LD_RXLIB1="ld -dy -G"
|
||
|
|
;;
|
||
|
|
*beos*)
|
||
|
|
LD_RXLIB1="${CC} -Wl,-shared -nostart -Xlinker -soname=\$(@)"
|
||
|
|
BEOS_DYN="yes"
|
||
|
|
;;
|
||
|
|
*qnx*)
|
||
|
|
SHLPRE=""
|
||
|
|
DYN_COMP="-Q" # force no check for dynamic loading
|
||
|
|
SHLFILE=""
|
||
|
|
;;
|
||
|
|
*cygwin)
|
||
|
|
SHLPRE=""
|
||
|
|
DYN_COMP="-DDYNAMIC"
|
||
|
|
LD_RXLIB1="dllwrap --def \$(srcdir)/../win32/pdcurses.def --target i386-cygwin32 --dllname \$(@)"
|
||
|
|
# cygwininstall target MUST install the shared library itself because
|
||
|
|
# it puts it into $(bindir) not $(libdir) as all other platforms
|
||
|
|
;;
|
||
|
|
*darwin*)
|
||
|
|
DYN_COMP="-fno-common"
|
||
|
|
LD_RXLIB1="${CC} -flat_namespace -undefined suppress -dynamiclib -install_name=\$(@)"
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
dnl determine what switches our compiler uses for building objects
|
||
|
|
dnl suitable for inclusion in shared libraries
|
||
|
|
dnl Only call this if DYN_COMP is not set. If we have set DYN_COMP
|
||
|
|
dnl above, then we know how to compile AND link for dynamic libraries
|
||
|
|
|
||
|
|
if test "$DYN_COMP" = ""; then
|
||
|
|
AC_MSG_CHECKING(compiler flags for a dynamic object)
|
||
|
|
|
||
|
|
cat > conftest.$ac_ext <<EOF
|
||
|
|
dnl [#]line __oline__ "[$]0"
|
||
|
|
[#]line __oline__ "configure"
|
||
|
|
int a=0
|
||
|
|
EOF
|
||
|
|
|
||
|
|
DYN_COMP=""
|
||
|
|
mh_cv_stop=no
|
||
|
|
save_cflags="$CFLAGS"
|
||
|
|
mh_cv_flags="-fPIC -KPIC +Z"
|
||
|
|
for a in $mh_cv_flags; do
|
||
|
|
CFLAGS="-c $a"
|
||
|
|
|
||
|
|
mh_compile='${CC-cc} -c $CFLAGS conftest.$ac_ext > conftest.tmp 2>&1'
|
||
|
|
if AC_TRY_EVAL(mh_compile); then
|
||
|
|
DYN_COMP=""
|
||
|
|
else
|
||
|
|
slash="\\"
|
||
|
|
mh_dyncomp="`egrep -c $slash$a conftest.tmp`"
|
||
|
|
if test "$mh_dyncomp" = "0"; then
|
||
|
|
DYN_COMP="$a -DDYNAMIC"
|
||
|
|
AC_MSG_RESULT($a)
|
||
|
|
break
|
||
|
|
else
|
||
|
|
DYN_COMP=""
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
if test "$DYN_COMP" = ""; then
|
||
|
|
AC_MSG_RESULT(none of $mh_cv_flags supported)
|
||
|
|
fi
|
||
|
|
if test "$LD_RXLIB1" = ""; then
|
||
|
|
MH_HOWTO_DYN_LINK()
|
||
|
|
fi
|
||
|
|
CFLAGS=$save_cflags
|
||
|
|
rm -f conftest.*
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
SHL_TARGETS=""
|
||
|
|
|
||
|
|
if test "$AIX_DYN" = "yes"; then
|
||
|
|
aix_exports="config.exports.aix"
|
||
|
|
echo "" > $aix_exports
|
||
|
|
fi
|
||
|
|
|
||
|
|
if test "$ac_cv_header_dl_h" = "yes" -o "$ac_cv_header_dlfcn_h" = "yes" -o "$AIX_DYN" = "yes" -o "$BEOS_DYN" = "yes" -o "$DLFCNINCDIR" != "" -o "$DLFCNLIBDIR" != ""; then
|
||
|
|
EXPS="1,2,3,4,5,6,7,8,9"
|
||
|
|
for a in $SHLFILES
|
||
|
|
do
|
||
|
|
SHL_TARGETS="${SHL_TARGETS} ${SHLPRE}${a}${SHLPST}"
|
||
|
|
this=`echo $EXPS | cut -d, -f1`
|
||
|
|
EXPS=`echo $EXPS | cut -d, -f2-`
|
||
|
|
if test "$AIX_DYN" = "yes"; then
|
||
|
|
echo "RXPACKEXP$this=$a.exp" >> $aix_exports
|
||
|
|
echo "RXPACKEXPORTS$this=-bE:$a.exp" >> $aix_exports
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
|
||
|
|
AC_SUBST(DYN_COMP)
|
||
|
|
AC_SUBST(LIBS)
|
||
|
|
AC_SUBST(LD_RXLIB1)
|
||
|
|
AC_SUBST(SHLPRE)
|
||
|
|
AC_SUBST(SHLPST)
|
||
|
|
AC_SUBST(SHL_TARGETS)
|
||
|
|
AC_SUBST(O2SAVE)
|
||
|
|
AC_SUBST(CC2O)
|
||
|
|
AC_SUBST(SAVE2O)
|
||
|
|
AC_SUBST(RXPACKEXPORTS)
|
||
|
|
])dnl
|
||
|
|
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
dnl Check if C compiler supports -c -o file.ooo
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
AC_DEFUN([MH_CHECK_CC_O],
|
||
|
|
[
|
||
|
|
AC_MSG_CHECKING(whether $CC understand -c and -o together)
|
||
|
|
set dummy $CC; ac_cc="`echo [$]2 |
|
||
|
|
changequote(, )dnl
|
||
|
|
sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`"
|
||
|
|
changequote([, ])dnl
|
||
|
|
AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
|
||
|
|
[echo 'foo(){}' > conftest.c
|
||
|
|
# We do the test twice because some compilers refuse to overwrite an
|
||
|
|
# existing .o file with -o, though they will create one.
|
||
|
|
eval ac_cv_prog_cc_${ac_cc}_c_o=no
|
||
|
|
ac_try='${CC-cc} -c conftest.c -o conftest.ooo 1>&AC_FD_CC'
|
||
|
|
if AC_TRY_EVAL(ac_try) && test -f conftest.ooo && AC_TRY_EVAL(ac_try);
|
||
|
|
then
|
||
|
|
ac_try='${CC-cc} -c conftest.c -o conftest.ooo 1>&AC_FD_CC'
|
||
|
|
if AC_TRY_EVAL(ac_try) && test -f conftest.ooo && AC_TRY_EVAL(ac_try);
|
||
|
|
then
|
||
|
|
eval ac_cv_prog_cc_${ac_cc}_c_o=yes
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
rm -f conftest*
|
||
|
|
])dnl
|
||
|
|
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = yes"; then
|
||
|
|
O2SAVE=""
|
||
|
|
SAVE2O=""
|
||
|
|
CC2O="-o $"'@'
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
else
|
||
|
|
O2SAVE="-mv \`basename "$'@'" .sho\`.o \`basename "$'@'" .sho\`.o.save;"
|
||
|
|
SAVE2O="-mv \`basename "$'@'" .sho\`.o "$'@'"; mv \`basename "$'@'" .sho\`.o.save \`basename "$'@'" .sho\`.o"
|
||
|
|
CC2O=""
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
fi
|
||
|
|
])
|
||
|
|
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
dnl Determines the file extension for shared libraries
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
AC_DEFUN([MH_SHLPST],
|
||
|
|
[
|
||
|
|
AC_MSG_CHECKING(shared library extension)
|
||
|
|
SHLPST=".so"
|
||
|
|
AC_REQUIRE([AC_CANONICAL_SYSTEM])
|
||
|
|
case "$target" in
|
||
|
|
*hp-hpux*)
|
||
|
|
SHLPST=".sl"
|
||
|
|
;;
|
||
|
|
*ibm-aix*)
|
||
|
|
SHLPST=".a"
|
||
|
|
;;
|
||
|
|
*qnx*)
|
||
|
|
SHLPST=""
|
||
|
|
;;
|
||
|
|
*cygwin*)
|
||
|
|
SHLPST=".dll"
|
||
|
|
;;
|
||
|
|
*darwin*)
|
||
|
|
SHLPST=".dylib"
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
AC_SUBST(SHLPST)
|
||
|
|
AC_MSG_RESULT($SHLPST)
|
||
|
|
])
|
||
|
|
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
dnl Determine the system limit for number of signals
|
||
|
|
dnl ---------------------------------------------------------------------------
|
||
|
|
AC_DEFUN([MH_CHECK_MAX_SIGNALS],
|
||
|
|
[
|
||
|
|
save_CPPFLAGS="$CPPFLAGS"
|
||
|
|
CPPFLAGS="$CPPFLAGS $SYS_DEFS"
|
||
|
|
AC_MSG_CHECKING(for maximum signal specifier:)
|
||
|
|
AC_CACHE_VAL(mh_cv_max_signals,
|
||
|
|
mh_found="no"
|
||
|
|
for mh_sigs in $1; do
|
||
|
|
AC_TRY_COMPILE([#include <signal.h>],
|
||
|
|
[return $mh_sigs;],
|
||
|
|
mh_found="yes"; mh_cv_max_signals="$mh_sigs" )
|
||
|
|
if test "$mh_found" = "yes"; then
|
||
|
|
break;
|
||
|
|
fi
|
||
|
|
done)
|
||
|
|
CPPFLAGS="$save_CPPFLAGS"
|
||
|
|
if test "$mh_found" = "no"; then
|
||
|
|
AC_MSG_ERROR(Cannot find a system limit for number of signals. PDCurses cannot be configured on this machine.)
|
||
|
|
else
|
||
|
|
AC_DEFINE_UNQUOTED(PDC_MAX_SIGNALS,$mh_cv_max_signals)
|
||
|
|
AC_MSG_RESULT($mh_cv_max_signals)
|
||
|
|
fi
|
||
|
|
])dnl
|