554 lines
14 KiB
Plaintext
554 lines
14 KiB
Plaintext
dnl ---------------------------------------------------------------------------
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dnl This file offers the following macros...
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dnl ---------------------------------------------------------------------------
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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_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 ---------------------------------------------------------------------------
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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 Xpm"
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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 Xpm"
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else
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MH_X11_LIBS="Xaw Xmu Xt X11 Xpm"
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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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which dpkg-architecture > /dev/null
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if test $? -eq 0; then
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multiarch_libdir="/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"
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else
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multiarch_libdir=""
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fi
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mh_lib_dirs="$multiarch_libdir /usr/lib64 /usr/lib/x86_64-linux-gnu /usr/lib/i386-linux-gnu $x_libraries `echo "$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="$save_CPPFLAGS"
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Determine if supplied types have been typedefed
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_CHECK_X_TYPEDEF],
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[
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save_CPPFLAGS="$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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SHLPRE=""
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SHLPST=""
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fi
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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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dnl ---------------------------------------------------------------------------
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AC_DEFUN([MH_SHARED_LIBRARY],
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[
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AC_REQUIRE([MH_SHLPST])
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dnl
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dnl If compiler is gcc, then flags should be the same for all platforms
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dnl (just guessing on this)
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dnl
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AIX_DYN="no"
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BEOS_DYN="no"
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SHLFILE="$1"
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SHLFILES="$*"
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RXPACKEXPORTS=""
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SHLPRE="lib"
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LD_RXLIB1=""
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AC_REQUIRE([AC_CANONICAL_SYSTEM])
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case "$target" in
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*hp-hpux*)
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SYS_DEFS="-D_HPUX_SOURCE"
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LD_RXLIB1="ld -b -q -n"
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;;
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*ibm-aix*)
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SYS_DEFS="-D_ALL_SOURCE -DAIX"
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AIX_DYN="yes"
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DYN_COMP="-DDYNAMIC"
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LD_RXLIB1="ld -bnoentry -bM:SRE"
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RXPACKEXPORTS="-bE:$SHLFILE.exp"
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RXPACKEXP="$SHLFILE.exp"
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;;
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*dec-osf*)
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if test "$ac_cv_prog_CC" = "gcc"; then
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SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE"
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else
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SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE -Olimit 800"
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fi
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LD_RXLIB1="ld -shared"
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;;
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*sequent-dynix*|*esix*|*dgux*)
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LD_RXLIB1="ld -G"
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;;
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*solaris*)
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if test "$ac_cv_prog_CC" = "gcc"; then
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LD_RXLIB1="gcc -shared"
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else
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LD_RXLIB1="ld -G"
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fi
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;;
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sparc*sunos*)
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SYS_DEFS="-DSUNOS -DSUNOS_STRTOD_BUG"
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LD_RXLIB1="ld"
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;;
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*linux*|*atheos*|*nto-qnx*|*openbsd*)
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LD_RXLIB1="${CC} -shared"
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;;
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*freebsd*)
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LD_RXLIB1="ld -Bdynamic -Bshareable"
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;;
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*pc-sco*)
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LD_RXLIB1="ld -dy -G"
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;;
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*beos*)
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LD_RXLIB1="${CC} -Wl,-shared -nostart -Xlinker -soname=\$(@)"
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BEOS_DYN="yes"
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;;
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*qnx*)
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SHLPRE=""
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DYN_COMP="-Q" # force no check for dynamic loading
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SHLFILE=""
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;;
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*darwin*)
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DYN_COMP="-fno-common"
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LD_RXLIB1="${CC} -flat_namespace -undefined suppress -dynamiclib"
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;;
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*)
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;;
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esac
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dnl determine what switches our compiler uses for building objects
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dnl suitable for inclusion in shared libraries
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dnl Only call this if DYN_COMP is not set. If we have set DYN_COMP
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dnl above, then we know how to compile AND link for dynamic libraries
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if test "$DYN_COMP" = ""; then
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AC_MSG_CHECKING(compiler flags for a dynamic object)
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cat > conftest.$ac_ext <<EOF
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dnl [#]line __oline__ "[$]0"
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[#]line __oline__ "configure"
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int a=0
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EOF
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DYN_COMP=""
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mh_cv_stop=no
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save_cflags="$CFLAGS"
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mh_cv_flags="-fPIC -KPIC +Z"
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for a in $mh_cv_flags; do
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CFLAGS="-c $a"
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mh_compile='${CC-cc} -c $CFLAGS conftest.$ac_ext > conftest.tmp 2>&1'
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if AC_TRY_EVAL(mh_compile); then
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DYN_COMP=""
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else
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slash="\\"
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mh_dyncomp="`egrep -c $slash$a conftest.tmp`"
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if test "$mh_dyncomp" = "0"; then
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DYN_COMP="$a -DDYNAMIC"
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AC_MSG_RESULT($a)
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break
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else
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DYN_COMP=""
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fi
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fi
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done
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if test "$DYN_COMP" = ""; then
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AC_MSG_RESULT(none of $mh_cv_flags supported)
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fi
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if test "$LD_RXLIB1" = ""; then
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MH_HOWTO_DYN_LINK()
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fi
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CFLAGS=$save_cflags
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rm -f conftest.*
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fi
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SHL_TARGETS=""
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if test "$AIX_DYN" = "yes"; then
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aix_exports="config.exports.aix"
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echo "" > $aix_exports
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fi
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if test "$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
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EXPS="1,2,3,4,5,6,7,8,9"
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for a in $SHLFILES
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do
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SHL_TARGETS="${SHL_TARGETS} ${SHLPRE}${a}${SHLPST}"
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this=`echo $EXPS | cut -d, -f1`
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EXPS=`echo $EXPS | cut -d, -f2-`
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if test "$AIX_DYN" = "yes"; then
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echo "RXPACKEXP$this=$a.exp" >> $aix_exports
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echo "RXPACKEXPORTS$this=-bE:$a.exp" >> $aix_exports
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fi
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done
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fi
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AC_SUBST(DYN_COMP)
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AC_SUBST(LIBS)
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AC_SUBST(LD_RXLIB1)
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AC_SUBST(SHLPRE)
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AC_SUBST(SHLPST)
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AC_SUBST(SHL_TARGETS)
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AC_SUBST(O2SAVE)
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AC_SUBST(CC2O)
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AC_SUBST(SAVE2O)
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AC_SUBST(RXPACKEXPORTS)
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Check if C compiler supports -c -o file.ooo
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|
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)
|
|
])
|