dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
-dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
-sinclude(../bfd/bfd.m4)
+# Keep these includes in sync with the aclocal_m4_deps list in
+# Makefile.in.
-dnl This gets the standard macros, like the TCL, TK, etc ones.
-sinclude(../config/acinclude.m4)
+m4_include(acx_configure_dir.m4)
-sinclude(../gettext.m4)
-dnl The lines below arrange for aclocal not to bring gettext.m4's
-dnl CY_GNU_GETTEXT into aclocal.m4.
-ifelse(yes,no,[
-AC_DEFUN([CY_GNU_GETTEXT],)
-])
+# This gets GDB_AC_TRANSFORM.
+m4_include(transform.m4)
-dnl CYGNUS LOCAL: This gets the right posix flag for gcc
-AC_DEFUN([CY_AC_TCL_LYNX_POSIX],
-[AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP])
-AC_MSG_CHECKING([if running LynxOS])
-AC_CACHE_VAL(ac_cv_os_lynx,
-[AC_EGREP_CPP(yes,
-[/*
- * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__"
- */
-#if defined(__Lynx__) || defined(Lynx)
-yes
-#endif
-], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)])
-#
-if test "$ac_cv_os_lynx" = "yes" ; then
- AC_MSG_RESULT(yes)
- AC_DEFINE(LYNX)
- AC_MSG_CHECKING([whether -mposix or -X is available])
- AC_CACHE_VAL(ac_cv_c_posix_flag,
- [AC_TRY_COMPILE(,[
- /*
- * This flag varies depending on how old the compiler is.
- * -X is for the old "cc" and "gcc" (based on 1.42).
- * -mposix is for the new gcc (at least 2.5.8).
- */
- #if defined(__GNUC__) && __GNUC__ >= 2
- choke me
- #endif
- ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")])
- CC="$CC $ac_cv_c_posix_flag"
- AC_MSG_RESULT($ac_cv_c_posix_flag)
- else
- AC_MSG_RESULT(no)
-fi
-])
+# This gets AM_GDB_WARNINGS.
+m4_include(../gdbsupport/warning.m4)
-#
-# Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
-# makes configure think it's cross compiling. If --target wasn't used, then
-# we can't configure, so something is wrong. We don't use the cache
-# here cause if somebody fixes their compiler install, we want this to work.
-AC_DEFUN([CY_AC_C_WORKS],
-[# If we cannot compile and link a trivial program, we can't expect anything to work
-AC_MSG_CHECKING(whether the compiler ($CC) actually works)
-AC_TRY_COMPILE(, [/* don't need anything here */],
- c_compiles=yes, c_compiles=no)
-
-AC_TRY_LINK(, [/* don't need anything here */],
- c_links=yes, c_links=no)
-
-if test x"${c_compiles}" = x"no" ; then
- AC_MSG_ERROR(the native compiler is broken and won't compile.)
-fi
+# AM_GDB_UBSAN
+m4_include(sanitize.m4)
-if test x"${c_links}" = x"no" ; then
- AC_MSG_ERROR(the native compiler is broken and won't link.)
-fi
-AC_MSG_RESULT(yes)
-])
+# This gets GDB_AC_SELFTEST.
+m4_include(../gdbsupport/selftest.m4)
-AC_DEFUN([CY_AC_PATH_TCLH], [
-#
-# Ok, lets find the tcl source trees so we can use the headers
-# Warning: transition of version 9 to 10 will break this algorithm
-# because 10 sorts before 9. We also look for just tcl. We have to
-# be careful that we don't match stuff like tclX by accident.
-# the alternative search directory is involked by --with-tclinclude
-#
-
-no_tcl=true
-AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
-AC_ARG_WITH(tclinclude, [ --with-tclinclude=DIR Directory where tcl private headers are], with_tclinclude=${withval})
-AC_CACHE_VAL(ac_cv_c_tclh,[
-# first check to see if --with-tclinclude was specified
-if test x"${with_tclinclude}" != x ; then
- if test -f ${with_tclinclude}/tclInt.h ; then
- ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
- elif test -f ${with_tclinclude}/generic/tclInt.h ; then
- ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
- else
- AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
- fi
-fi
+dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
+m4_include(../bfd/bfd.m4)
-# next check if it came with Tcl configuration file
-if test x"${ac_cv_c_tclconfig}" = x ; then
- if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
- ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
- fi
-fi
+dnl This gets the standard macros.
+m4_include(../config/acinclude.m4)
-# next check in private source directory
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tclh}" = x ; then
- for i in \
- ${srcdir}/../tcl \
- `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
- ${srcdir}/../../tcl \
- `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
- ${srcdir}/../../../tcl \
- `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
- if test -f $i/generic/tclInt.h ; then
- ac_cv_c_tclh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-# finally check in a few common install locations
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tclh}" = x ; then
- for i in \
- `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
- `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
- /usr/local/src/tcl \
- /usr/local/lib/tcl \
- ${prefix}/include ; do
- if test -f $i/generic/tclInt.h ; then
- ac_cv_c_tclh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-# see if one is installed
-if test x"${ac_cv_c_tclh}" = x ; then
- AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
-fi
-])
-if test x"${ac_cv_c_tclh}" = x ; then
- TCLHDIR="# no Tcl private headers found"
- AC_MSG_ERROR([Can't find Tcl private headers])
-fi
-if test x"${ac_cv_c_tclh}" != x ; then
- no_tcl=""
- if test x"${ac_cv_c_tclh}" = x"installed" ; then
- AC_MSG_RESULT([is installed])
- TCLHDIR=""
- else
- AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
- # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
- TCLHDIR="-I${ac_cv_c_tclh}"
- fi
-fi
+dnl This gets GCC_ENABLE.
+sinclude(../config/enable.m4)
-AC_SUBST(TCLHDIR)
-])
+dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE.
+m4_include(../config/plugins.m4)
+dnl For ACX_LARGEFILE.
+m4_include(../config/largefile.m4)
-AC_DEFUN([CY_AC_PATH_TCLCONFIG], [
-#
-# Ok, lets find the tcl configuration
-# First, look for one uninstalled.
-# the alternative search directory is invoked by --with-tclconfig
-#
-
-if test x"${no_tcl}" = x ; then
- # we reset no_tcl in case something fails here
- no_tcl=true
- AC_ARG_WITH(tclconfig, [ --with-tclconfig=DIR Directory containing tcl configuration (tclConfig.sh)],
- with_tclconfig=${withval})
- AC_MSG_CHECKING([for Tcl configuration])
- AC_CACHE_VAL(ac_cv_c_tclconfig,[
-
- # First check to see if --with-tclconfig was specified.
- if test x"${with_tclconfig}" != x ; then
- if test -f "${with_tclconfig}/tclConfig.sh" ; then
- ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
- else
- AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
- fi
- fi
+dnl For AM_SET_LEADING_DOT.
+m4_include(../config/lead-dot.m4)
- # then check for a private Tcl installation
- if test x"${ac_cv_c_tclconfig}" = x ; then
- for i in \
- ../tcl \
- `ls -dr ../tcl[[7-9]]* 2>/dev/null` \
- ../../tcl \
- `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
- ../../../tcl \
- `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
- if test -f "$i/${configdir}/tclConfig.sh" ; then
- ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
- break
- fi
- done
- fi
- # check in a few common install locations
- if test x"${ac_cv_c_tclconfig}" = x ; then
- for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
- if test -f "$i/tclConfig.sh" ; then
- ac_cv_c_tclconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few other private locations
- if test x"${ac_cv_c_tclconfig}" = x ; then
- for i in \
- ${srcdir}/../tcl \
- `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
- if test -f "$i/${configdir}/tclConfig.sh" ; then
- ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
- break
- fi
- done
- fi
- ])
- if test x"${ac_cv_c_tclconfig}" = x ; then
- TCLCONFIG="# no Tcl configs found"
- AC_MSG_WARN(Can't find Tcl configuration definitions)
- else
- no_tcl=
- TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
- AC_MSG_RESULT(found $TCLCONFIG)
- fi
-fi
-])
+dnl This gets autoconf bugfixes.
+m4_include(../config/override.m4)
-# Defined as a separate macro so we don't have to cache the values
-# from PATH_TCLCONFIG (because this can also be cached).
-AC_DEFUN([CY_AC_LOAD_TCLCONFIG], [
- . $TCLCONFIG
-
- AC_SUBST(TCL_VERSION)
- AC_SUBST(TCL_MAJOR_VERSION)
- AC_SUBST(TCL_MINOR_VERSION)
- AC_SUBST(TCL_CC)
- AC_SUBST(TCL_DEFS)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_LIB_FILE)
-
-dnl don't export, not used outside of configure
-dnl AC_SUBST(TCL_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_EXEC_PREFIX)
-
- AC_SUBST(TCL_SHLIB_CFLAGS)
- AC_SUBST(TCL_SHLIB_LD)
-dnl don't export, not used outside of configure
- AC_SUBST(TCL_SHLIB_LD_LIBS)
- AC_SUBST(TCL_SHLIB_SUFFIX)
-dnl not used, don't export to save symbols
- AC_SUBST(TCL_DL_LIBS)
- AC_SUBST(TCL_LD_FLAGS)
-dnl don't export, not used outside of configure
- AC_SUBST(TCL_LD_SEARCH_FLAGS)
- AC_SUBST(TCL_CC_SEARCH_FLAGS)
- AC_SUBST(TCL_COMPAT_OBJS)
- AC_SUBST(TCL_RANLIB)
- AC_SUBST(TCL_BUILD_LIB_SPEC)
- AC_SUBST(TCL_LIB_SPEC)
- AC_SUBST(TCL_LIB_VERSIONS_OK)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_SHARED_LIB_SUFFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
-])
+dnl For ZW_GNU_GETTEXT_SISTER_DIR.
+m4_include(../config/gettext-sister.m4)
-# Warning: Tk definitions are very similar to Tcl definitions but
-# are not precisely the same. There are a couple of differences,
-# so don't do changes to Tcl thinking you can cut and paste it do
-# the Tk differences and later simply substitute "Tk" for "Tcl".
-# Known differences:
-# - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
-# - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
-# - Computing major/minor versions is different because Tk depends on
-# headers to Tcl, Tk, and X.
-# - Symbols in tkConfig.sh are different than tclConfig.sh
-# - Acceptable for Tk to be missing but not Tcl.
-
-AC_DEFUN([CY_AC_PATH_TKH], [
-#
-# Ok, lets find the tk source trees so we can use the headers
-# If the directory (presumably symlink) named "tk" exists, use that one
-# in preference to any others. Same logic is used when choosing library
-# and again with Tcl. The search order is the best place to look first, then in
-# decreasing significance. The loop breaks if the trigger file is found.
-# Note the gross little conversion here of srcdir by cd'ing to the found
-# directory. This converts the path from a relative to an absolute, so
-# recursive cache variables for the path will work right. We check all
-# the possible paths in one loop rather than many seperate loops to speed
-# things up.
-# the alternative search directory is involked by --with-tkinclude
-#
-no_tk=true
-AC_MSG_CHECKING(for Tk private headers)
-AC_ARG_WITH(tkinclude, [ --with-tkinclude=DIR Directory where tk private headers are], with_tkinclude=${withval})
-AC_CACHE_VAL(ac_cv_c_tkh,[
-# first check to see if --with-tkinclude was specified
-if test x"${with_tkinclude}" != x ; then
- if test -f ${with_tkinclude}/tk.h ; then
- ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
- elif test -f ${with_tkinclude}/generic/tk.h ; then
- ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
- else
- AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
- fi
-fi
+dnl For AC_LIB_HAVE_LINKFLAGS.
+m4_include(../config/lib-ld.m4)
+m4_include(../config/lib-prefix.m4)
+m4_include(../config/lib-link.m4)
-# next check if it came with Tk configuration file
-if test x"${ac_cv_c_tkconfig}" = x ; then
- if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
- ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
- fi
-fi
+dnl For ACX_PKGVERSION and ACX_BUGURL.
+m4_include(../config/acx.m4)
-# next check in private source directory
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tkh}" = x ; then
- for i in \
- ${srcdir}/../tk \
- `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
- ${srcdir}/../../tk \
- `ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \
- ${srcdir}/../../../tk \
- `ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do
- if test -f $i/generic/tk.h ; then
- ac_cv_c_tkh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-# finally check in a few common install locations
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tkh}" = x ; then
- for i in \
- `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
- `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
- /usr/local/src/tk \
- /usr/local/lib/tk \
- ${prefix}/include ; do
- if test -f $i/generic/tk.h ; then
- ac_cv_c_tkh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-# see if one is installed
-if test x"${ac_cv_c_tkh}" = x ; then
- AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
-fi
-])
-if test x"${ac_cv_c_tkh}" != x ; then
- no_tk=""
- if test x"${ac_cv_c_tkh}" = x"installed" ; then
- AC_MSG_RESULT([is installed])
- TKHDIR=""
- else
- AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
- # this hack is cause the TKHDIR won't print if there is a "-I" in it.
- TKHDIR="-I${ac_cv_c_tkh}"
- fi
-else
- TKHDIR="# no Tk directory found"
- AC_MSG_WARN([Can't find Tk private headers])
- no_tk=true
-fi
+dnl for TCL definitions
+m4_include(../config/tcl.m4)
-AC_SUBST(TKHDIR)
-])
+dnl For dependency tracking macros.
+m4_include([../config/depstand.m4])
+dnl For AM_LC_MESSAGES
+m4_include([../config/lcmessage.m4])
-AC_DEFUN([CY_AC_PATH_TKCONFIG], [
-#
-# Ok, lets find the tk configuration
-# First, look for one uninstalled.
-# the alternative search directory is invoked by --with-tkconfig
-#
-
-if test x"${no_tk}" = x ; then
- # we reset no_tk in case something fails here
- no_tk=true
- AC_ARG_WITH(tkconfig, [ --with-tkconfig=DIR Directory containing tk configuration (tkConfig.sh)],
- with_tkconfig=${withval})
- AC_MSG_CHECKING([for Tk configuration])
- AC_CACHE_VAL(ac_cv_c_tkconfig,[
-
- # First check to see if --with-tkconfig was specified.
- if test x"${with_tkconfig}" != x ; then
- if test -f "${with_tkconfig}/tkConfig.sh" ; then
- ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
- else
- AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
- fi
- fi
+dnl For AM_LANGINFO_CODESET.
+m4_include([../config/codeset.m4])
- # then check for a private Tk library
- if test x"${ac_cv_c_tkconfig}" = x ; then
- for i in \
- ../tk \
- `ls -dr ../tk[[4-9]]* 2>/dev/null` \
- ../../tk \
- `ls -dr ../../tk[[4-9]]* 2>/dev/null` \
- ../../../tk \
- `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
- if test -f "$i/${configdir}/tkConfig.sh" ; then
- ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
- break
- fi
- done
- fi
- # check in a few common install locations
- if test x"${ac_cv_c_tkconfig}" = x ; then
- for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
- if test -f "$i/tkConfig.sh" ; then
- ac_cv_c_tkconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few other private locations
- if test x"${ac_cv_c_tkconfig}" = x ; then
- for i in \
- ${srcdir}/../tk \
- `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
- if test -f "$i/${configdir}/tkConfig.sh" ; then
- ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
- break
- fi
- done
- fi
- ])
- if test x"${ac_cv_c_tkconfig}" = x ; then
- TKCONFIG="# no Tk configs found"
- AC_MSG_WARN(Can't find Tk configuration definitions)
- else
- no_tk=
- TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
- AC_MSG_RESULT(found $TKCONFIG)
- fi
-fi
+m4_include([../config/iconv.m4])
-])
+m4_include([../config/zlib.m4])
-# Defined as a separate macro so we don't have to cache the values
-# from PATH_TKCONFIG (because this can also be cached).
-AC_DEFUN([CY_AC_LOAD_TKCONFIG], [
- if test -f "$TKCONFIG" ; then
- . $TKCONFIG
- fi
-
- AC_SUBST(TK_VERSION)
-dnl not actually used, don't export to save symbols
-dnl AC_SUBST(TK_MAJOR_VERSION)
-dnl AC_SUBST(TK_MINOR_VERSION)
- AC_SUBST(TK_DEFS)
-
-dnl not used, don't export to save symbols
- dnl AC_SUBST(TK_LIB_FILE)
-
-dnl not used outside of configure
-dnl AC_SUBST(TK_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TK_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TK_EXEC_PREFIX)
-
- AC_SUBST(TK_BUILD_INCLUDES)
- AC_SUBST(TK_XINCLUDES)
- AC_SUBST(TK_XLIBSW)
- AC_SUBST(TK_BUILD_LIB_SPEC)
- AC_SUBST(TK_LIB_SPEC)
-])
+m4_include([../gdbsupport/common.m4])
-# check for Itcl headers.
-
-AC_DEFUN([CY_AC_PATH_ITCLCONFIG], [
-#
-# Ok, lets find the itcl configuration
-# First, look for one uninstalled.
-# the alternative search directory is invoked by --with-itclconfig
-#
-
-if test x"${no_itcl}" = x ; then
- # we reset no_itcl in case something fails here
- no_itcl=true
- AC_ARG_WITH(itclconfig, [ --with-itclconfig Directory containing itcl configuration (itclConfig.sh)],
- with_itclconfig=${withval})
- AC_MSG_CHECKING([for Itcl configuration])
- AC_CACHE_VAL(ac_cv_c_itclconfig,[
-
- # First check to see if --with-itclconfig was specified.
- if test x"${with_itclconfig}" != x ; then
- if test -f "${with_itclconfig}/itclConfig.sh" ; then
- ac_cv_c_itclconfig=`(cd ${with_itclconfig}; pwd)`
- else
- AC_MSG_ERROR([${with_itclconfig} directory doesn't contain itclConfig.sh])
- fi
- fi
+dnl For libiberty_INIT.
+m4_include(libiberty.m4)
- # then check for a private Itcl library
- if test x"${ac_cv_c_itclconfig}" = x ; then
- for i in \
- ../itcl/itcl \
- `ls -dr ../itcl[[4-9]]*/itcl 2>/dev/null` \
- ../../itcl \
- `ls -dr ../../itcl[[4-9]]*/itcl 2>/dev/null` \
- ../../../itcl \
- `ls -dr ../../../itcl[[4-9]]*/itcl 2>/dev/null` ; do
- if test -f "$i/itclConfig.sh" ; then
- ac_cv_c_itclconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few common install locations
- if test x"${ac_cv_c_itclconfig}" = x ; then
- for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
- if test -f "$i/itclConfig.sh" ; then
- ac_cv_c_itclconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few other private locations
- if test x"${ac_cv_c_itclconfig}" = x ; then
- for i in \
- ${srcdir}/../itcl/itcl \
- `ls -dr ${srcdir}/../itcl[[4-9]]*/itcl 2>/dev/null` ; do
- if test -f "$i/itclConfig.sh" ; then
- ac_cv_c_itclconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- ])
- if test x"${ac_cv_c_itclconfig}" = x ; then
- ITCLCONFIG="# no Itcl configs found"
- AC_MSG_WARN(Can't find Itcl configuration definitions)
- else
- no_itcl=
- ITCLCONFIG=${ac_cv_c_itclconfig}/itclConfig.sh
- AC_MSG_RESULT(found $ITCLCONFIG)
- fi
-fi
-])
+dnl For GDB_AC_PTRACE.
+m4_include(../gdbsupport/ptrace.m4)
-# Defined as a separate macro so we don't have to cache the values
-# from PATH_ITCLCONFIG (because this can also be cached).
-AC_DEFUN([CY_AC_LOAD_ITCLCONFIG], [
- if test -f "$ITCLCONFIG" ; then
- . $ITCLCONFIG
- fi
-
- AC_SUBST(ITCL_VERSION)
-dnl not actually used, don't export to save symbols
-dnl AC_SUBST(ITCL_MAJOR_VERSION)
-dnl AC_SUBST(ITCL_MINOR_VERSION)
- AC_SUBST(ITCL_DEFS)
-
-dnl not used, don't export to save symbols
- dnl AC_SUBST(ITCL_LIB_FILE)
-
-dnl not used outside of configure
-dnl AC_SUBST(ITCL_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(ITCL_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(ITCL_EXEC_PREFIX)
-
- AC_SUBST(ITCL_BUILD_INCLUDES)
- AC_SUBST(ITCL_BUILD_LIB_SPEC)
- AC_SUBST(ITCL_LIB_SPEC)
-])
+m4_include(ax_cxx_compile_stdcxx.m4)
-# check for Itcl headers.
-
-AC_DEFUN([CY_AC_PATH_ITCLH], [
-AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
-if test x"${ac_cv_c_itclh}" = x ; then
- for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
- if test -f $i/generic/itcl.h ; then
- ac_cv_c_itclh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-if test x"${ac_cv_c_itclh}" = x ; then
- ITCLHDIR="# no Itcl private headers found"
- AC_MSG_ERROR([Can't find Itcl private headers])
-fi
-if test x"${ac_cv_c_itclh}" != x ; then
- ITCLHDIR="-I${ac_cv_c_itclh}"
-fi
-# should always be here
-# ITCLLIB="../itcl/itcl/unix/libitcl.a"
-AC_SUBST(ITCLHDIR)
-#AC_SUBST(ITCLLIB)
-])
-
-
-AC_DEFUN([CY_AC_PATH_ITKCONFIG], [
-#
-# Ok, lets find the itk configuration
-# First, look for one uninstalled.
-# the alternative search directory is invoked by --with-itkconfig
-#
-
-if test x"${no_itk}" = x ; then
- # we reset no_itk in case something fails here
- no_itk=true
- AC_ARG_WITH(itkconfig, [ --with-itkconfig Directory containing itk configuration (itkConfig.sh)],
- with_itkconfig=${withval})
- AC_MSG_CHECKING([for Itk configuration])
- AC_CACHE_VAL(ac_cv_c_itkconfig,[
-
- # First check to see if --with-itkconfig was specified.
- if test x"${with_itkconfig}" != x ; then
- if test -f "${with_itkconfig}/itkConfig.sh" ; then
- ac_cv_c_itkconfig=`(cd ${with_itkconfig}; pwd)`
- else
- AC_MSG_ERROR([${with_itkconfig} directory doesn't contain itkConfig.sh])
- fi
- fi
-
- # then check for a private Itk library
- if test x"${ac_cv_c_itkconfig}" = x ; then
- for i in \
- ../itcl/itk \
- `ls -dr ../itcl[[4-9]]*/itk 2>/dev/null` \
- ../../itk \
- `ls -dr ../../itcl[[4-9]]*/itk 2>/dev/null` \
- ../../../itk \
- `ls -dr ../../../itcl[[4-9]]*/itk 2>/dev/null` ; do
- if test -f "$i/itkConfig.sh" ; then
- ac_cv_c_itkconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few common install locations
- if test x"${ac_cv_c_itkconfig}" = x ; then
- for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
- if test -f "$i/itkConfig.sh" ; then
- ac_cv_c_itkconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- # check in a few other private locations
- if test x"${ac_cv_c_itkconfig}" = x ; then
- for i in \
- ${srcdir}/../itcl/itk \
- `ls -dr ${srcdir}/../itcl[[4-9]]*/itk 2>/dev/null` ; do
- if test -f "$i/itkConfig.sh" ; then
- ac_cv_c_itkconfig=`(cd $i; pwd)`
- break
- fi
- done
- fi
- ])
- if test x"${ac_cv_c_itkconfig}" = x ; then
- ITKCONFIG="# no Itk configs found"
- AC_MSG_WARN(Can't find Itk configuration definitions)
- else
- no_itk=
- ITKCONFIG=${ac_cv_c_itkconfig}/itkConfig.sh
- AC_MSG_RESULT(found $ITKCONFIG)
- fi
-fi
-
-])
-
-# Defined as a separate macro so we don't have to cache the values
-# from PATH_ITKCONFIG (because this can also be cached).
-AC_DEFUN([CY_AC_LOAD_ITKCONFIG], [
- if test -f "$ITKCONFIG" ; then
- . $ITKCONFIG
- fi
-
- AC_SUBST(ITK_VERSION)
-dnl not actually used, don't export to save symbols
-dnl AC_SUBST(ITK_MAJOR_VERSION)
-dnl AC_SUBST(ITK_MINOR_VERSION)
- AC_SUBST(ITK_DEFS)
-
-dnl not used, don't export to save symbols
- dnl AC_SUBST(ITK_LIB_FILE)
-
-dnl not used outside of configure
-dnl AC_SUBST(ITK_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(ITK_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(ITK_EXEC_PREFIX)
-
- AC_SUBST(ITK_BUILD_INCLUDES)
- AC_SUBST(ITK_BUILD_LIB_SPEC)
- AC_SUBST(ITK_LIB_SPEC)
-])
-
-AC_DEFUN([CY_AC_PATH_ITKH], [
-AC_MSG_CHECKING(for Itk private headers. srcdir=${srcdir})
-if test x"${ac_cv_c_itkh}" = x ; then
- for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
- if test -f $i/generic/itk.h ; then
- ac_cv_c_itkh=`(cd $i/generic; pwd)`
- break
- fi
- done
-fi
-if test x"${ac_cv_c_itkh}" = x ; then
- ITKHDIR="# no Itk private headers found"
- AC_MSG_ERROR([Can't find Itk private headers])
-fi
-if test x"${ac_cv_c_itkh}" != x ; then
- ITKHDIR="-I${ac_cv_c_itkh}"
-fi
-# should always be here
-# ITKLIB="../itcl/itk/unix/libitk.a"
-AC_SUBST(ITKHDIR)
-#AC_SUBST(ITKLIB)
-])
-
-
-## ----------------------------------------- ##
-## ANSIfy the C compiler whenever possible. ##
-## From Franc,ois Pinard ##
-## ----------------------------------------- ##
-
-# Copyright 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# serial 1
-
-# @defmac AC_PROG_CC_STDC
-# @maindex PROG_CC_STDC
-# @ovindex CC
-# If the C compiler in not in ANSI C mode by default, try to add an option
-# to output variable @code{CC} to make it so. This macro tries various
-# options that select ANSI C on some system or another. It considers the
-# compiler to be in ANSI C mode if it handles function prototypes correctly.
-#
-# If you use this macro, you should check after calling it whether the C
-# compiler has been set to accept ANSI C; if not, the shell variable
-# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
-# code in ANSI C, you can make an un-ANSIfied copy of it by using the
-# program @code{ansi2knr}, which comes with Ghostscript.
-# @end defmac
-
-AC_DEFUN([AM_PROG_CC_STDC],
-[AC_REQUIRE([AC_PROG_CC])
-AC_BEFORE([$0], [AC_C_INLINE])
-AC_BEFORE([$0], [AC_C_CONST])
-dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
-dnl a magic option to avoid problems with ANSI preprocessor commands
-dnl like #elif.
-dnl FIXME: can't do this because then AC_AIX won't work due to a
-dnl circular dependency.
-dnl AC_BEFORE([$0], [AC_PROG_CPP])
-AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
-AC_CACHE_VAL(am_cv_prog_cc_stdc,
-[am_cv_prog_cc_stdc=no
-ac_save_CC="$CC"
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX -qlanglvl=ansi
-# Ultrix and OSF/1 -std1
-# HP-UX 10.20 and later -Ae
-# HP-UX older versions -Aa -D_HPUX_SOURCE
-# SVR4 -Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
- CC="$ac_save_CC $ac_arg"
- AC_TRY_COMPILE(
-[#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
- char **p;
- int i;
-{
- return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
- char *s;
- va_list v;
- va_start (v,p);
- s = g (p, va_arg (v,int));
- va_end (v);
- return s;
-}
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-], [
-return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
-],
-[am_cv_prog_cc_stdc="$ac_arg"; break])
-done
-CC="$ac_save_CC"
-])
-if test -z "$am_cv_prog_cc_stdc"; then
- AC_MSG_RESULT([none needed])
-else
- AC_MSG_RESULT([$am_cv_prog_cc_stdc])
-fi
-case "x$am_cv_prog_cc_stdc" in
- x|xno) ;;
- *) CC="$CC $am_cv_prog_cc_stdc" ;;
-esac
-])
-
-dnl From Bruno Haible.
-
-AC_DEFUN([AM_ICONV],
-[
- dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
- dnl those with the standalone portable GNU libiconv installed).
-
- AC_ARG_WITH([libiconv-prefix],
-[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
- for dir in `echo "$withval" | tr : ' '`; do
- if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
- if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
- done
- ])
-
- AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
- am_cv_func_iconv="no, consider installing GNU libiconv"
- am_cv_lib_iconv=no
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_func_iconv=yes)
- if test "$am_cv_func_iconv" != yes; then
- am_save_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_lib_iconv=yes
- am_cv_func_iconv=yes)
- LIBS="$am_save_LIBS"
- fi
- ])
- if test "$am_cv_func_iconv" = yes; then
- AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
- AC_MSG_CHECKING([for iconv declaration])
- AC_CACHE_VAL(am_cv_proto_iconv, [
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <iconv.h>
-extern
-#ifdef __cplusplus
-"C"
-#endif
-#if defined(__STDC__) || defined(__cplusplus)
-size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
-#else
-size_t iconv();
-#endif
-], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
- am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
- am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
- AC_MSG_RESULT([$]{ac_t:-
- }[$]am_cv_proto_iconv)
- AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
- [Define as const if the declaration of iconv() needs const.])
- fi
- LIBICONV=
- if test "$am_cv_lib_iconv" = yes; then
- LIBICONV="-liconv"
- fi
- AC_SUBST(LIBICONV)
-])
-
-# AC_GNU_SOURCE
-# -------------
-# FIXME: Remove thise once we start using Autoconf 2.5x (x>=4).
-AC_DEFUN([AC_GNU_SOURCE],
-[AC_BEFORE([$0], [AC_TRY_COMPILE])dnl
-AC_BEFORE([$0], [AC_TRY_RUN])dnl
-AC_DEFINE([_GNU_SOURCE])
-])
+m4_include([../config/ax_pthread.m4])
dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
dnl Version 1.3 (2001/03/02)
dnl in a different context somewhere else.
dnl gcc_AC_CHECK_DECL(SYMBOL,
dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
-AC_DEFUN([gcc_AC_CHECK_DECL],
-[AC_MSG_CHECKING([whether $1 is declared])
-AC_CACHE_VAL(gcc_cv_have_decl_$1,
-[AC_TRY_COMPILE([$4],
-[#ifndef $1
-char *(*pfn) = (char *(*)) $1 ;
-#endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")])
+AC_DEFUN(
+ [gcc_AC_CHECK_DECL],
+ [AC_MSG_CHECKING([whether $1 is declared])
+ AC_CACHE_VAL(
+ [gcc_cv_have_decl_$1],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [$4],
+ [#ifndef $1
+ char *(*pfn) = (char *(*)) $1 ;
+ #endif]
+ )],
+ [eval "gcc_cv_have_decl_$1=yes"],
+ [eval "gcc_cv_have_decl_$1=no"]
+ )]
+ )
if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
else
fi
])
+dnl Find the location of the private Tcl headers
+dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic
+dnl When Tcl is in the build tree, this is not needed.
+dnl
+dnl Note: you must use first use SC_LOAD_TCLCONFIG!
+AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [
+ AC_MSG_CHECKING([for Tcl private headers])
+ private_dir=""
+ dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//`
+ if test -f ${dir}/tclInt.h ; then
+ private_dir=${dir}
+ fi
+
+ if test x"${private_dir}" = x; then
+ AC_MSG_ERROR(could not find private Tcl headers)
+ else
+ TCL_PRIVATE_INCLUDE="-I${private_dir}"
+ AC_MSG_RESULT(${private_dir})
+ fi
+])
+
+dnl Find the location of the private Tk headers
+dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic
+dnl When Tk is in the build tree, this not needed.
+dnl
+dnl Note: you must first use SC_LOAD_TKCONFIG
+AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [
+ AC_MSG_CHECKING([for Tk private headers])
+ private_dir=""
+ dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//`
+ if test -f ${dir}/tkInt.h; then
+ private_dir=${dir}
+ fi
+
+ if test x"${private_dir}" = x; then
+ AC_MSG_ERROR(could not find Tk private headers)
+ else
+ TK_PRIVATE_INCLUDE="-I${private_dir}"
+ AC_MSG_RESULT(${private_dir})
+ fi
+])
+
+dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
+dnl For use in processing directory values for --with-foo.
+dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
+ if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+ else
+ test_prefix=$exec_prefix
+ fi
+ value=0
+ case [$3] in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+ value=1
+ ;;
+ esac
+ AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.])
+])
+
+dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
+dnl Add a new --with option that defines a directory.
+dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
+dnl on this variable, as is AC_SUBST.
+dnl ARG-NAME is the base name of the argument (without "--with").
+dnl HELP is the help text to use.
+dnl If the user's choice is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+dnl DEFAULT is the default value, which is used if the user
+dnl does not specify the argument.
+AC_DEFUN([GDB_AC_WITH_DIR], [
+ AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
+ [$1]=$withval], [[$1]=[$4]])
+ AC_DEFINE_DIR([$1], [$1], [$3])
+ AC_SUBST([$1])
+ GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir})
+ ])
+
+dnl GDB_AC_CHECK_BFD([MESSAGE], [CV], [CODE], [HEADER])
+dnl Check whether BFD provides a feature.
+dnl MESSAGE is the "checking" message to display.
+dnl CV is the name of the cache variable where the result is stored.
+dnl The result will be "yes" or "no".
+dnl CODE is some code to compile that checks for the feature.
+dnl A link test is run.
+dnl HEADER is the name of an extra BFD header to include.
+AC_DEFUN([GDB_AC_CHECK_BFD], [
+ OLD_CFLAGS=$CFLAGS
+ OLD_LDFLAGS=$LDFLAGS
+ OLD_LIBS=$LIBS
+ # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
+ # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
+ # always want our bfd.
+ CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
+ ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'`
+ LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS"
+ intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
+ LIBS="-lbfd -liberty -lz $intl $LIBS"
+ AC_CACHE_CHECK(
+ [$1],
+ [$2],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <stdlib.h>
+ #include <string.h>
+ #include "bfd.h"
+ #include "$4"],
+ [return $3;]
+ )],
+ [[$2]=yes],
+ [[$2]=no]
+ )]
+ )
+ CFLAGS=$OLD_CFLAGS
+ LDFLAGS=$OLD_LDFLAGS
+ LIBS=$OLD_LIBS])
+
+dnl GDB_GUILE_PROGRAM_NAMES([PKG-CONFIG], [VERSION])
+dnl
+dnl Define and substitute 'GUILD' to contain the absolute file name of
+dnl the 'guild' command for VERSION, using PKG-CONFIG. (This is
+dnl similar to Guile's 'GUILE_PROGS' macro.)
+AC_DEFUN([GDB_GUILE_PROGRAM_NAMES], [
+ AC_CACHE_CHECK([for the absolute file name of the 'guild' command],
+ [ac_cv_guild_program_name],
+ [ac_cv_guild_program_name="`$1 --variable guild $2`"
+
+ # In Guile up to 2.0.11 included, guile-2.0.pc would not define
+ # the 'guild' and 'bindir' variables. In that case, try to guess
+ # what the program name is, at the risk of getting it wrong if
+ # Guile was configured with '--program-suffix' or similar.
+ if test "x$ac_cv_guild_program_name" = "x"; then
+ guile_exec_prefix="`$1 --variable exec_prefix $2`"
+ ac_cv_guild_program_name="$guile_exec_prefix/bin/guild"
+ fi
+ ])
+
+ if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
+ AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable])
+ fi
+
+ GUILD="$ac_cv_guild_program_name"
+ AC_SUBST([GUILD])
+])
+
+dnl GDB_GUILD_TARGET_FLAG
+dnl
+dnl Compute the value of GUILD_TARGET_FLAG.
+dnl For native builds this is empty.
+dnl For cross builds this is --target=<host>.
+AC_DEFUN([GDB_GUILD_TARGET_FLAG], [
+ if test "$cross_compiling" = no; then
+ GUILD_TARGET_FLAG=
+ else
+ GUILD_TARGET_FLAG="--target=$host"
+ fi
+ AC_SUBST(GUILD_TARGET_FLAG)
+])
+
+dnl GDB_TRY_GUILD([SRC-FILE])
+dnl
+dnl We precompile the .scm files and install them with gdb, so make sure
+dnl guild works for this host.
+dnl The .scm files are precompiled for several reasons:
+dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output
+dnl is unnecessarily verbose).
+dnl 2) Make gdb developers see compilation errors/warnings during the build,
+dnl and not leave it to later when the user runs gdb.
+dnl 3) As a convenience for the user, so that one copy of the files is built
+dnl instead of one copy per user.
+dnl
+dnl Make sure guild can handle this host by trying to compile SRC-FILE, and
+dnl setting ac_cv_guild_ok to yes or no.
+dnl Note that guild can handle cross-compilation.
+dnl It could happen that guild can't handle the host, but guile would still
+dnl work. For the time being we're conservative, and if guild doesn't work
+dnl we punt.
+AC_DEFUN([GDB_TRY_GUILD], [
+ AC_REQUIRE([GDB_GUILD_TARGET_FLAG])
+ AC_CACHE_CHECK([whether guild supports this host],
+ [ac_cv_guild_ok],
+ [echo "$ac_cv_guild_program_name compile $GUILD_TARGET_FLAG -o conftest.go $1" >&AS_MESSAGE_LOG_FD
+ if "$ac_cv_guild_program_name" compile $GUILD_TARGET_FLAG -o conftest.go "$1" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
+ ac_cv_guild_ok=yes
+ else
+ ac_cv_guild_ok=no
+ fi])
+])