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dnl $Id: acinclude.m4,v 1.3 2004/10/21 22:02:25 danmc Exp $
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dnl the FC_* macros were copied from the freeciv program. The use here
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dnl is to figure out if we need -DNARROWPROTO and the correct setting
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dnl for FUNCPROTO. Without these set right, it has been observed that
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dnl the sliders don't work right on some systems.
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dnl FC_CHECK_X_PROTO_DEFINE(DEFINED-VARIABLE)
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dnl This macro determines the value of the given defined
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dnl variable needed by Xfuncproto.h in order to compile correctly.
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dnl Typical DEFINED-VARIABLEs are:
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dnl The following variables are output:
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dnl fc_x_proto_value -- contains the value to which
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dnl the DEFINED-VARIABLE is set,
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dnl or "" if it has no known value.
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dnl FC_CHECK_X_PROTO_DEFINE(FUNCPROTO)
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dnl if test -n "$fc_x_proto_value"; then
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dnl AC_DEFINE_UNQUOTED(FUNCPROTO, $fc_x_proto_value)
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AC_DEFUN([FC_CHECK_X_PROTO_DEFINE],
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[AC_REQUIRE([FC_CHECK_X_PROTO_FETCH])dnl
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AC_MSG_CHECKING(for Xfuncproto control definition $1)
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# Search for the requested defined variable; return it's value:
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for fc_x_define in $fc_x_proto_defines; do
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eval `echo $fc_x_define | sed -e 's/=/ ; fc_x_val=/' | sed -e 's/^/fc_x_var=/'`
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if test "x$fc_x_var" = "x$1"; then
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fc_x_proto_value=$fc_x_val
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if test -n "$fc_x_proto_value"; then
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AC_MSG_RESULT([yes: $fc_x_proto_value])
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dnl FC_CHECK_X_PROTO_FETCH
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dnl This macro fetches the Xfuncproto control definitions.
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dnl (Intended to be called once from FC_CHECK_X_PROTO_DEFINE.)
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dnl The following variables are output:
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dnl fc_x_proto_defines -- contains the list of defines of
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dnl Xfuncproto control definitions
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dnl (defines may or may not include
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dnl the -D prefix, or an =VAL part).
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dnl AC_REQUIRE([FC_CHECK_X_PROTO_FETCH])
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AC_DEFUN([FC_CHECK_X_PROTO_FETCH],
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[AC_REQUIRE([AC_PATH_X])dnl
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AC_MSG_CHECKING(whether Xfuncproto was supplied)
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dnl May override determined defines with explicit argument:
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AC_ARG_WITH(x-funcproto,
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[ --with-x-funcproto=DEFS Xfuncproto control definitions are DEFS
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(e.g.: --with-x-funcproto='FUNCPROTO=15 NARROWPROTO']dnl
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if test "x$with_x_funcproto" = "x"; then
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if mkdir conftestdir; then
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# Make sure to not put "make" in the Imakefile rules, since we grep it out.
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cat > Imakefile <<'EOF'
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@echo 'fc_x_proto_defines=" ${PROTO_DEFINES}"'
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if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
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# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
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eval `${MAKE-make} fcfindpd 2>/dev/null | grep -v make | sed -e 's/ -D/ /g'`
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AC_MSG_RESULT([no, found: $fc_x_proto_defines])
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dnl Oops -- no/bad xmkmf... Time to go a-guessing...
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dnl First, guess something for FUNCPROTO:
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AC_MSG_CHECKING([for compilable FUNCPROTO definition])
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dnl Try in order of preference...
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for fc_x_value in 15 11 3 1 ""; do
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FC_CHECK_X_PROTO_FUNCPROTO_COMPILE($fc_x_value)
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if test "x$fc_x_proto_FUNCPROTO" != "xno"; then
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if test "x$fc_x_proto_FUNCPROTO" != "xno"; then
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fc_x_proto_defines="$fc_x_proto_defines FUNCPROTO=$fc_x_proto_FUNCPROTO"
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AC_MSG_RESULT([yes, determined: $fc_x_proto_FUNCPROTO])
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AC_MSG_RESULT([no, cannot determine])
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dnl Second, guess something for NARROWPROTO:
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AC_MSG_CHECKING([for workable NARROWPROTO definition])
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dnl Try in order of preference...
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for fc_x_value in 1 ""; do
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FC_CHECK_X_PROTO_NARROWPROTO_WORKS($fc_x_value)
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if test "x$fc_x_proto_NARROWPROTO" != "xno"; then
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if test "x$fc_x_proto_NARROWPROTO" != "xno"; then
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fc_x_proto_defines="$fc_x_proto_defines NARROWPROTO=$fc_x_proto_NARROWPROTO"
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AC_MSG_RESULT([yes, determined: $fc_x_proto_NARROWPROTO])
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AC_MSG_RESULT([no, cannot determine])
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AC_MSG_CHECKING(whether Xfuncproto was determined)
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if test -n "$fc_x_proto_defines"; then
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AC_MSG_RESULT([yes: $fc_x_proto_defines])
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AC_MSG_RESULT([no, examination failed])
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fc_x_proto_defines=$with_x_funcproto
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AC_MSG_RESULT([yes, given: $fc_x_proto_defines])
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dnl FC_CHECK_X_PROTO_FUNCPROTO_COMPILE(FUNCPROTO-VALUE)
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dnl This macro determines whether or not Xfuncproto.h will
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dnl compile given a value to use for the FUNCPROTO definition.
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dnl Typical FUNCPROTO-VALUEs are:
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dnl The following variables are output:
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dnl fc_x_proto_FUNCPROTO -- contains the passed-in
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dnl FUNCPROTO-VALUE if Xfuncproto.h
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dnl compiled, or "no" if it did not.
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dnl FC_CHECK_X_PROTO_FUNCPROTO_COMPILE($fc_x_value)
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dnl if test "x$fc_x_proto_FUNCPROTO" != "xno"; then
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dnl echo Compile using FUNCPROTO=$fc_x_proto_FUNCPROTO
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AC_DEFUN([FC_CHECK_X_PROTO_FUNCPROTO_COMPILE],
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[AC_REQUIRE([AC_PATH_XTRA])dnl
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fc_x_proto_FUNCPROTO=no
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if test "x$1" = "x"; then
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fc_x_compile="#undef FUNCPROTO"
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fc_x_compile="#define FUNCPROTO $1"
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fc_x_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $X_CFLAGS"
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#include <X11/Xfuncproto.h>
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[fc_x_proto_FUNCPROTO=$1])
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CFLAGS="$fc_x_save_CFLAGS"
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dnl FC_CHECK_X_PROTO_NARROWPROTO_WORKS(NARROWPROTO-VALUE)
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dnl This macro determines whether or not NARROWPROTO is required
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dnl to get a typical X function (XawScrollbarSetThumb) to work.
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dnl Typical NARROWPROTO-VALUEs are:
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dnl The following variables are required for input:
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dnl fc_x_proto_FUNCPROTO -- the value to use for FUNCPROTO.
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dnl The following variables are output:
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dnl fc_x_proto_NARROWPROTO -- contains the passed-in
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dnl NARROWPROTO-VALUE if the test
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dnl worked, or "no" if it did not.
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dnl FC_CHECK_X_PROTO_NARROWPROTO_WORKS($fc_x_value)
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dnl if test "x$fc_x_proto_NARROWPROTO" != "xno"; then
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dnl echo Compile using NARROWPROTO=$fc_x_proto_NARROWPROTO
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AC_DEFUN([FC_CHECK_X_PROTO_NARROWPROTO_WORKS],
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[AC_REQUIRE([AC_PATH_XTRA])dnl
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fc_x_proto_NARROWPROTO=no
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if test "x$1" = "x"; then
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fc_x_works="#undef NARROWPROTO"
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fc_x_works="#define NARROWPROTO $1"
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if test "x$fc_x_proto_FUNCPROTO" = "x"; then
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fc_x_compile="#define FUNCPROTO 1"
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fc_x_compile="#define FUNCPROTO $fc_x_proto_FUNCPROTO"
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fc_x_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $X_CFLAGS $X_LIBS $X_PRE_LIBS -l$LIBXAW -lXt -lX11 $X_EXTRA_LIBS"
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#include <X11/Xfuncproto.h>
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#include <X11/Intrinsic.h>
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#include <X11/StringDefs.h>
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#include <X11/$XAWINC/Scrollbar.h>
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#define TOP_VAL 0.125
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#define SHOWN_VAL 0.25
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int main (int argc, char ** argv)
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float * top = (float *)(&topbuf);
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float * shown = (float *)(&shownbuf);
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XtVaCreateManagedWidget
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scrollbarWidgetClass,
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XawScrollbarSetThumb (scrollbar, TOP_VAL, SHOWN_VAL);
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if ((*top == TOP_VAL) && (*shown == SHOWN_VAL))
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[fc_x_proto_NARROWPROTO=$1])
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CFLAGS="$fc_x_save_CFLAGS"
added
removed
acinclude.m4
