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PDCursesMod/x11/aclocal.m4

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dnl ---------------------------------------------------------------------------
dnl This file offers the following macros...
dnl ---------------------------------------------------------------------------
dnl MH_CHECK_X_INC
dnl MH_CHECK_X_LIB
dnl MH_CHECK_X_HEADERS
dnl MH_CHECK_X_TYPEDEF
dnl MH_CHECK_LIB
dnl MH_SHARED_LIBRARY
dnl MH_HOWTO_DYN_LINK
dnl MH_CHECK_CC_O
dnl MH_SHLPST
dnl ---------------------------------------------------------------------------
dnl Set up the correct X header file location
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_CHECK_X_INC],
[
mh_x11_dir=""
mh_x11_xaw_dir=""
mh_inc_dirs="$ac_x_header_dirs"
dnl Provide for user supplying directory
if test "x$x_includes" != xNONE ; then
mh_inc_dirs="$x_includes $mh_inc_dirs"
fi
dnl Try to determine the directory containing X headers
dnl We will append X11 to all the paths above as an extra check
for ac_dir in $mh_inc_dirs ; do
if test -r $ac_dir/Intrinsic.h; then
mh_x11_dir=$ac_dir
break
fi
if test -r $ac_dir/X11/Intrinsic.h; then
mh_x11_dir="$ac_dir/X11"
break
fi
done
dnl Try to determine the directory containing Xaw headers
dnl We will append X11 to all the paths above as an extra check
if test "$with_xaw3d" = yes; then
mh_xaw_dir="Xaw3d"
else
if test "$with_nextaw" = yes; then
mh_xaw_dir="neXtaw"
else
mh_xaw_dir="Xaw"
fi
fi
for ac_dir in $mh_inc_dirs ; do
if test -r $ac_dir/$mh_xaw_dir/Box.h; then
mh_x11_xaw_dir=$ac_dir
break
fi
if test -r $ac_dir/X11/$mh_xaw_dir/Box.h; then
mh_x11_xaw_dir="$ac_dir/X11"
break
fi
done
if test "x$mh_x11_dir" != "x" ; then
mh_x11_dir_no_x11=`echo $mh_x11_dir | sed 's/\/X11$//'`
if test "$mh_x11_dir_no_x11" != "$mh_x11_dir" ; then
MH_XINC_DIR="-I$mh_x11_dir -I$mh_x11_dir_no_x11"
else
MH_XINC_DIR="-I$mh_x11_dir"
fi
else
AC_MSG_ERROR(Cannot find required header file Intrinsic.h; PDCurses cannot be configured)
fi
if test "x$mh_x11_xaw_dir" != "x"; then
if test "$mh_x11_xaw_dir" != "$mh_x11_dir" ; then
MH_XINC_DIR="-I$mh_x11_xaw_dir $MH_XINC_DIR"
fi
else
AC_MSG_ERROR(Cannot find required Xaw header file Box.h; PDCurses cannot be configured)
fi
AC_SUBST(MH_XINC_DIR)
])dnl
dnl ---------------------------------------------------------------------------
dnl Set up the correct X library file location
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_CHECK_X_LIB],
[
dnl Some systems require extra libraries...
mh_solaris_flag=no
mh_hpux9_flag=no
AC_REQUIRE([AC_CANONICAL_SYSTEM])
case "$target" in
*solaris*)
mh_solaris_flag=yes
;;
*pc-sco*)
extra_x_libs="Xext"
;;
sparc*sunos*)
extra_x_libs="Xext"
if test "$ac_cv_prog_CC" = "gcc" ; then
extra_ld_flags="-Wl,-Bstatic"
extra_ld_flags2="-Wl,-Bdynamic"
else
extra_ld_flags="-Bstatic"
extra_ld_flags2="-Bdynamic"
fi
;;
*hpux9*)
mh_hpux9_flag=yes
;;
esac
if test "$with_xaw3d" = yes; then
MH_X11_LIBS="Xaw3d Xmu Xt X11 Xpm"
else
if test "$with_nextaw" = yes; then
MH_X11_LIBS="neXtaw Xmu Xt X11 Xpm"
else
MH_X11_LIBS="Xaw Xmu Xt X11 Xpm"
fi
fi
MH_X11R6_LIBS="SM ICE Xext"
mh_x11r6=no
which dpkg-architecture > /dev/null
if test $? -eq 0; then
multiarch_libdir="/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"
else
multiarch_libdir=""
fi
mh_lib_dirs="$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`"
dnl try to find libSM.[a,sl,so,dylib]. If we find it we are using X11R6
for ac_dir in $mh_lib_dirs ; do
for mh_xsm in libSM.a libSM.so libSM.sl libSM.dylib; do
if test -r $ac_dir/$mh_xsm; then
mh_x11r6=yes
break 2
fi
done
done
if test "$mh_x11r6" = yes ; then
mh_libs="$MH_X11_LIBS $MH_X11R6_LIBS"
else
mh_libs="$MH_X11_LIBS $extra_x_libs"
fi
dnl Ensure that all required X libraries are found
mh_prev_dir=""
mh_where_found=""
mh_where_found_dirs=""
mh_solaris_path=""
for mh_lib in $mh_libs; do
mh_lib_found=no
for ac_dir in $mh_lib_dirs ; do
for mh_ext in a so sl dll.a dylib; do
if test -r $ac_dir/lib$mh_lib.$mh_ext; then
if test "x$mh_prev_dir" != "x$ac_dir" ; then
if test "x$mh_prev_dir" = "x" ; then
mh_where_found="$mh_where_found found in $ac_dir"
else
mh_where_found="$mh_where_found and in $ac_dir"
fi
mh_prev_dir=$ac_dir
mh_where_found_dirs="$mh_where_found_dirs $ac_dir"
MH_XLIBS="$MH_XLIBS -L$ac_dir"
mh_solaris_path="${mh_solaris_path}:$ac_dir"
fi
MH_XLIBS="$MH_XLIBS -l$mh_lib"
mh_lib_found=yes
break 2
fi
done
done
if test "$mh_lib_found" = no; then
AC_MSG_ERROR(Cannot find required X library; lib$mh_lib. PDCurses cannot be configured)
fi
done
mh_solaris_path=`echo $mh_solaris_path | sed 's/^://'`
if test "$mh_solaris_flag" = yes ; then
MH_XLIBS="-R$mh_solaris_path $extra_ld_flags $MH_XLIBS $extra_libs $extra_ld_flags2"
else
MH_XLIBS="$extra_ld_flags $MH_XLIBS $extra_libs $extra_ld_flags2"
fi
if test "$mh_hpux9_flag" = yes ; then
grep -q XtSetLanguageProc $mh_x11_dir/Intrinsic.h
if test $? -eq 0 ; then
mh_found_xtshellstrings=no
for mh_acdir in $mh_where_found_dirs ; do
for mh_xaw in `ls $mh_acdir/libXaw.*` ; do
nm $mh_xaw | grep XtShellStrings | grep -qv extern
if test $? -eq 0 ; then
mh_found_xtshellstrings=yes
fi
done
done
if test "$mh_found_xtshellstrings" = no ; then
AC_MSG_WARN(The X11 development environment has not been installed correctly.)
AC_MSG_WARN(The header file; Intrinsic.h, is for X11R5 while the Athena Widget)
AC_MSG_WARN(Set library; libXaw is for X11R4. This is a common problem with)
AC_MSG_WARN(HP-UX 9.x.)
AC_MSG_ERROR(X11 installation incomplete; cannot continue)
fi
fi
fi
AC_SUBST(MH_XLIBS)
])dnl
dnl ---------------------------------------------------------------------------
dnl Determine if the supplied X headers exist.
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_CHECK_X_HEADERS],
[
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $MH_XINC_DIR"
for mh_header in $1; do
AC_CHECK_HEADERS($mh_header)
done
CPPFLAGS="$save_CPPFLAGS"
])dnl
dnl ---------------------------------------------------------------------------
dnl Determine if supplied types have been typedefed
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_CHECK_X_TYPEDEF],
[
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $SYS_DEFS $MH_XINC_DIR"
for td in $1 ; do
AC_MSG_CHECKING(if $td is typedefed:)
AC_TRY_COMPILE(
[#include "X11/Xlib.h"],
[$td fred],
[mh_td=yes],
[mh_td=no]
)
if test "$mh_td" = yes ; then
TD_upper=`echo $td | tr a-z A-Z`
AC_DEFINE_UNQUOTED(${TD_upper}_TYPEDEFED, 1)
fi
AC_MSG_RESULT($mh_td)
done
CPPFLAGS="$save_CPPFLAGS"
])dnl
dnl ---------------------------------------------------------------------------
dnl Check for presence of various libraries
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_CHECK_LIB],
[
MH_EXTRA_LIBS=''
for mh_lib in $1; do
if test "$on_qnx" = yes; then
AC_MSG_CHECKING(for library -l${mh_lib})
if test -r /usr/lib/${mh_lib}3r.lib; then
AC_MSG_RESULT(found)
MH_EXTRA_LIBS="${MH_EXTRA_LIBS} -l${mh_lib}"
else
AC_MSG_RESULT(not found)
fi
else
AC_CHECK_LIB($mh_lib,main,mh_lib_found=yes,mh_lib_found=no)
if test "$mh_lib_found" = yes; then
MH_EXTRA_LIBS="${MH_EXTRA_LIBS} -l${mh_lib}"
fi
fi
done
])dnl
dnl ---------------------------------------------------------------------------
dnl Work out how to create a dynamically loaded module
dnl ---------------------------------------------------------------------------
AC_DEFUN([MH_HOWTO_DYN_LINK],
[
mh_compile='${CC-cc} -c $DYN_COMP conftest.$ac_ext 1>&AC_FD_CC'
cat > conftest.$ac_ext <<EOF
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
int foo()
{
return(0);
}
EOF
if AC_TRY_EVAL(mh_compile) && test -s conftest.o; then
mh_dyn_link='ld -shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
# mh_dyn_link='${CC} -Wl,-shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
LD_RXLIB1="ld -shared"
# LD_RXLIB1="${CC} -Wl,-shared"
SHLPRE="lib"
SHLPST=".so"
else
mh_dyn_link='ld -G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
# mh_dyn_link='${CC} -Wl,-G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(mh_dyn_link) && test -s conftest.rxlib; then
LD_RXLIB1="ld -G"
# LD_RXLIB1="${CC} -Wl,-G"
SHLPRE="lib"
SHLPST=".so"
else
LD_RXLIB1=""
SHLPRE=""
SHLPST=""
fi
fi
fi
rm -f conftest*
])dnl
dnl ---------------------------------------------------------------------------
dnl Determine how to build shared libraries etc..
dnl ---------------------------------------------------------------------------
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 "$ac_cv_prog_CC" = "gcc"; then
LD_RXLIB1="gcc -shared"
else
LD_RXLIB1="ld -G"
fi
;;
sparc*sunos*)
SYS_DEFS="-DSUNOS -DSUNOS_STRTOD_BUG"
LD_RXLIB1="ld"
;;
*linux*|*atheos*|*nto-qnx*|*openbsd*)
LD_RXLIB1="${CC} -shared"
;;
*freebsd*)
LD_RXLIB1="ld -Bdynamic -Bshareable"
;;
*pc-sco*)
LD_RXLIB1="ld -dy -G"
;;
*beos*)
LD_RXLIB1="${CC} -Wl,-shared -nostart -Xlinker -soname=\$(@)"
BEOS_DYN="yes"
;;
*qnx*)
SHLPRE=""
DYN_COMP="-Q" # force no check for dynamic loading
SHLFILE=""
;;
*darwin*)
DYN_COMP="-fno-common"
LD_RXLIB1="${CC} -flat_namespace -undefined suppress -dynamiclib"
;;
*)
;;
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)
])