AC_DEFUN([NCN_STRICT_CHECK_TOOLS],
[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
+AC_ARG_VAR([$1], [$1 for the host])
+
+if test -n "[$]$1"; then
+ ac_cv_prog_$1=[$]$1
+elif test -n "$ac_cv_prog_$1"; then
+ $1=$ac_cv_prog_$1
+fi
+
+if test -n "$ac_cv_prog_$1"; then
+ for ncn_progname in $2; do
+ AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
+ done
+fi
+
for ncn_progname in $2; do
if test -n "$ncn_tool_prefix"; then
AC_CHECK_PROG([$1], [${ncn_tool_prefix}${ncn_progname}],
AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOLS],
[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-if test -n "$with_build_time_tools"; then
+AC_ARG_VAR([$1], patsubst([$1], [_FOR_TARGET$], [])[ for the target])
+
+if test -n "[$]$1"; then
+ ac_cv_prog_$1=[$]$1
+elif test -n "$ac_cv_prog_$1"; then
+ $1=$ac_cv_prog_$1
+fi
+
+if test -n "$ac_cv_prog_$1"; then
+ for ncn_progname in $2; do
+ AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4])
+ done
+fi
+
+if test -z "$ac_cv_prog_$1" && test -n "$with_build_time_tools"; then
for ncn_progname in $2; do
AC_MSG_CHECKING([for ${ncn_progname} in $with_build_time_tools])
if test -x $with_build_time_tools/${ncn_progname}; then
else
$1="${ncn_target_tool_prefix}[$]2"
fi], [$1="$3"])
+else
+ $1="$ac_cv_prog_$1"
fi
]) []dnl # NCN_STRICT_CHECK_TARGET_TOOLS
fi
elif test $build != $host && test $have_gcc_for_target = yes; then
$1=`$GCC_FOR_TARGET --print-prog-name=$2`
- test [$]$1=$2 && $1=
- ac_cv_path_$1=[$]$1
+ test [$]$1 = $2 && $1=
+ test -n "[$]$1" && ac_cv_path_$1=[$]$1
fi
fi
-if test -z "$ac_cv_path_$1" ; then
+if test -z "$ac_cv_path_$1" && test -n "$gcc_cv_tool_dirs"; then
AC_PATH_PROG([$1], [$2], [], [$gcc_cv_tool_dirs])
fi
if test -z "$ac_cv_path_$1" ; then
# Test for GNAT.
# We require the gnatbind program, and a compiler driver that
-# understands Ada. We use the user's CC setting, already found.
+# understands Ada. We use the user's CC setting, already found,
+# and possibly add $1 to the command-line parameters.
#
# Sets the shell variable have_gnat to yes or no as appropriate, and
-# substitutes GNATBIND.
+# substitutes GNATBIND and GNATMAKE.
AC_DEFUN([ACX_PROG_GNAT],
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])
AC_REQUIRE([AC_PROG_CC])
AC_CHECK_TOOL(GNATBIND, gnatbind, no)
+AC_CHECK_TOOL(GNATMAKE, gnatmake, no)
AC_CACHE_CHECK([whether compiler driver understands Ada],
acx_cv_cc_gcc_supports_ada,
[cat >conftest.adb <<EOF
# Other compilers, like HP Tru64 UNIX cc, exit successfully when
# given a .adb file, but produce no object file. So we must check
# if an object file was really produced to guard against this.
-errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
+errors=`(${CC} $1[]m4_ifval([$1], [ ])-c conftest.adb) 2>&1 || echo failure`
if test x"$errors" = x && test -f conftest.$ac_objext; then
acx_cv_cc_gcc_supports_ada=yes
fi
rm -f conftest.*])
-if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
+if test x$GNATBIND != xno && test x$GNATMAKE != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
have_gnat=yes
else
have_gnat=no
if test "x${build}" != "x${host}" ; then
if expr "x[$]$2" : "x/" > /dev/null; then
# We already found the complete path
- AC_MSG_RESULT(pre-installed in `dirname [$]$2`)
+ ac_dir=`dirname [$]$2`
+ AC_MSG_RESULT(pre-installed in $ac_dir)
else
# Canadian cross, just use what we found
AC_MSG_RESULT(pre-installed)
AC_MSG_RESULT(just compiled)
el])if expr "x[$]$2" : "x/" > /dev/null; then
# We already found the complete path
- AC_MSG_RESULT(pre-installed in `dirname [$]$2`)
+ ac_dir=`dirname [$]$2`
+ AC_MSG_RESULT(pre-installed in $ac_dir)
elif test "x$target" = "x$host"; then
# We can use an host tool
$2='$($3)'
# We need a cross tool
AC_MSG_RESULT(pre-installed)
fi
-fi])
+fi
+AC_SUBST($2)])
+
+
+dnl Locate a program and check that its version is acceptable.
+dnl ACX_PROG_CHECK_VER(var, name, version-switch,
+dnl version-extract-regexp, version-glob)
+AC_DEFUN([ACX_CHECK_PROG_VER],[
+ AC_CHECK_PROG([$1], [$2], [$2])
+ if test -n "[$]$1"; then
+ # Found it, now check the version.
+ AC_CACHE_CHECK([for modern $2],
+ [gcc_cv_prog_$2_modern],
+ [ac_prog_version=`eval [$]$1 $3 2>&1 |
+ sed -n 's/^.*patsubst([[$4]],/,\/).*$/\1/p'`
+
+ [case $ac_prog_version in
+ '') gcc_cv_prog_$2_modern=no;;
+ $5) gcc_cv_prog_$2_modern=yes;;
+ *) gcc_cv_prog_$2_modern=no;;
+ esac]
+ ])
+ else
+ gcc_cv_prog_$2_modern=no
+ fi
+ if test $gcc_cv_prog_$2_modern = no; then
+ $1="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing $2"
+ fi
+])
+
+dnl Support the --with-pkgversion configure option.
+dnl ACX_PKGVERSION(default-pkgversion)
+AC_DEFUN([ACX_PKGVERSION],[
+ AC_ARG_WITH(pkgversion,
+ AS_HELP_STRING([--with-pkgversion=PKG],
+ [Use PKG in the version string in place of "$1"]),
+ [case "$withval" in
+ yes) AC_MSG_ERROR([package version not specified]) ;;
+ no) PKGVERSION= ;;
+ *) PKGVERSION="($withval) " ;;
+ esac],
+ PKGVERSION="($1) "
+ )
+ AC_SUBST(PKGVERSION)
+])
+
+dnl Support the --with-bugurl configure option.
+dnl ACX_BUGURL(default-bugurl)
+AC_DEFUN([ACX_BUGURL],[
+ AC_ARG_WITH(bugurl,
+ AS_HELP_STRING([--with-bugurl=URL],
+ [Direct users to URL to report a bug]),
+ [case "$withval" in
+ yes) AC_MSG_ERROR([bug URL not specified]) ;;
+ no) BUGURL=
+ ;;
+ *) BUGURL="$withval"
+ ;;
+ esac],
+ BUGURL="$1"
+ )
+ case ${BUGURL} in
+ "")
+ REPORT_BUGS_TO=
+ REPORT_BUGS_TEXI=
+ ;;
+ *)
+ REPORT_BUGS_TO="<$BUGURL>"
+ REPORT_BUGS_TEXI=@uref{`echo "$BUGURL" | sed 's/@/@@/g'`}
+ ;;
+ esac;
+ AC_SUBST(REPORT_BUGS_TO)
+ AC_SUBST(REPORT_BUGS_TEXI)
+])
+
+dnl ####
+dnl # ACX_CHECK_CYGWIN_CAT_WORKS
+dnl # On Cygwin hosts, check that the cat command ignores
+dnl # carriage returns as otherwise builds will not work.
+dnl # See binutils PR 4334 for more details.
+AC_DEFUN([ACX_CHECK_CYGWIN_CAT_WORKS],[
+AC_MSG_CHECKING([to see if cat works as expected])
+echo a >cygwin-cat-check
+if test `cat cygwin-cat-check` = a ; then
+ rm cygwin-cat-check
+ AC_MSG_RESULT(yes)
+else
+ rm cygwin-cat-check
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([The cat command does not ignore carriage return characters.
+ Please either mount the build directory in binary mode or run the following
+ commands before running any configure script:
+set -o igncr
+export SHELLOPTS
+ ])
+fi
+])
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