329 lines
11 KiB
Text
329 lines
11 KiB
Text
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dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
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dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
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# Keep these includes in sync with the aclocal_m4_deps list in
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# Makefile.in.
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dnl NB: When possible, try to avoid explicit includes of ../config/ files.
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dnl They're normally found by aclocal automatically and recorded in aclocal.m4.
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dnl However, some are kept here explicitly to silence harmless warnings from
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dnl aclocal when it finds AM_xxx macros via local search paths instead of
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dnl system search paths.
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m4_include(acx_configure_dir.m4)
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# This gets GDB_AC_TRANSFORM.
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m4_include(transform.m4)
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# This get AM_GDB_COMPILER_TYPE.
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m4_include(../gdbsupport/compiler-type.m4)
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# This gets AM_GDB_WARNINGS.
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m4_include(../gdbsupport/warning.m4)
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# AM_GDB_UBSAN
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m4_include(sanitize.m4)
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# This gets GDB_AC_SELFTEST.
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m4_include(../gdbsupport/selftest.m4)
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dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
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m4_include(../bfd/bfd.m4)
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dnl For AM_LC_MESSAGES
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m4_include([../config/lcmessage.m4])
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dnl For AM_LANGINFO_CODESET.
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m4_include([../config/codeset.m4])
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dnl We need to explicitly include these before iconv.m4 to avoid warnings.
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m4_include([../config/lib-ld.m4])
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m4_include([../config/lib-prefix.m4])
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m4_include([../config/lib-link.m4])
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m4_include([../config/iconv.m4])
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m4_include([../config/zlib.m4])
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m4_include([../gdbsupport/common.m4])
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dnl For libiberty_INIT.
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m4_include(libiberty.m4)
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dnl For GDB_AC_PTRACE.
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m4_include(../gdbsupport/ptrace.m4)
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m4_include(ax_cxx_compile_stdcxx.m4)
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dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
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dnl Version 1.3 (2001/03/02)
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dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
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AC_DEFUN([AC_DEFINE_DIR], [
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test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
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ac_define_dir=`eval echo [$]$2`
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ac_define_dir=`eval echo [$]ac_define_dir`
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ifelse($3, ,
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AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
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AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
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])
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dnl See whether we need a declaration for a function.
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dnl The result is highly dependent on the INCLUDES passed in, so make sure
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dnl to use a different cache variable name in this macro if it is invoked
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dnl in a different context somewhere else.
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dnl gcc_AC_CHECK_DECL(SYMBOL,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
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AC_DEFUN(
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[gcc_AC_CHECK_DECL],
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[AC_MSG_CHECKING([whether $1 is declared])
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AC_CACHE_VAL(
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[gcc_cv_have_decl_$1],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[$4],
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[#ifndef $1
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char *(*pfn) = (char *(*)) $1 ;
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#endif]
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)],
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[eval "gcc_cv_have_decl_$1=yes"],
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[eval "gcc_cv_have_decl_$1=no"]
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)]
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)
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if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
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AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
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fi
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])dnl
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dnl Check multiple functions to see whether each needs a declaration.
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dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate.
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dnl gcc_AC_CHECK_DECLS(SYMBOLS,
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dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]])
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AC_DEFUN([gcc_AC_CHECK_DECLS],
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[for ac_func in $1
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do
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changequote(, )dnl
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ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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changequote([, ])dnl
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gcc_AC_CHECK_DECL($ac_func,
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[AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
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[AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
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dnl It is possible that the include files passed in here are local headers
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dnl which supply a backup declaration for the relevant prototype based on
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dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test
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dnl will always return success. E.g. see libiberty.h's handling of
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dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to
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dnl 1 so that any local headers used do not provide their own prototype
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dnl during this test.
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#undef $ac_tr_decl
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#define $ac_tr_decl 1
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$4
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)
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done
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dnl Automatically generate config.h entries via autoheader.
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if test x = y ; then
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patsubst(translit([$1], [a-z], [A-Z]), [\w+],
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[AC_DEFINE([HAVE_DECL_\&], 1,
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[Define to 1 if we found this declaration otherwise define to 0.])])dnl
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fi
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])
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dnl Find the location of the private Tcl headers
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dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic
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dnl When Tcl is in the build tree, this is not needed.
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dnl
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dnl Note: you must use first use SC_LOAD_TCLCONFIG!
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AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [
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AC_MSG_CHECKING([for Tcl private headers])
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private_dir=""
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dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//`
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if test -f ${dir}/tclInt.h ; then
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private_dir=${dir}
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fi
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if test x"${private_dir}" = x; then
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AC_MSG_ERROR(could not find private Tcl headers)
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else
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TCL_PRIVATE_INCLUDE="-I${private_dir}"
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AC_MSG_RESULT(${private_dir})
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fi
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])
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dnl Find the location of the private Tk headers
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dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic
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dnl When Tk is in the build tree, this not needed.
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dnl
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dnl Note: you must first use SC_LOAD_TKCONFIG
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AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [
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AC_MSG_CHECKING([for Tk private headers])
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private_dir=""
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dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//`
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if test -f ${dir}/tkInt.h; then
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private_dir=${dir}
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fi
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if test x"${private_dir}" = x; then
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AC_MSG_ERROR(could not find Tk private headers)
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else
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TK_PRIVATE_INCLUDE="-I${private_dir}"
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AC_MSG_RESULT(${private_dir})
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fi
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])
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dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
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dnl For use in processing directory values for --with-foo.
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dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
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dnl result is relocatable, then this will define the C macro
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dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
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AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
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if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
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if test "x$prefix" = xNONE; then
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test_prefix=/usr/local
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else
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test_prefix=$prefix
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fi
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else
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test_prefix=$exec_prefix
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fi
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value=0
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case [$3] in
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"${test_prefix}"|"${test_prefix}/"*|\
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'${exec_prefix}'|'${exec_prefix}/'*)
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value=1
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;;
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esac
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AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.])
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])
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dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
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dnl Add a new --with option that defines a directory.
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dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
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dnl on this variable, as is AC_SUBST.
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dnl ARG-NAME is the base name of the argument (without "--with").
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dnl HELP is the help text to use.
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dnl If the user's choice is relative to the prefix, then the
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dnl result is relocatable, then this will define the C macro
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dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
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dnl DEFAULT is the default value, which is used if the user
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dnl does not specify the argument.
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AC_DEFUN([GDB_AC_WITH_DIR], [
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AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
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[$1]=$withval], [[$1]=[$4]])
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AC_DEFINE_DIR([$1], [$1], [$3])
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AC_SUBST([$1])
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GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir})
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])
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dnl GDB_AC_CHECK_BFD([MESSAGE], [CV], [CODE], [HEADER])
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dnl Check whether BFD provides a feature.
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dnl MESSAGE is the "checking" message to display.
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dnl CV is the name of the cache variable where the result is stored.
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dnl The result will be "yes" or "no".
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dnl CODE is some code to compile that checks for the feature.
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dnl A link test is run.
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dnl HEADER is the name of an extra BFD header to include.
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AC_DEFUN([GDB_AC_CHECK_BFD], [
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OLD_CFLAGS=$CFLAGS
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OLD_LDFLAGS=$LDFLAGS
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OLD_LIBS=$LIBS
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# Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
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# points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
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# always want our bfd.
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CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
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ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'`
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LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS"
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intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
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LIBS="-lbfd -liberty -lz $intl $LIBS"
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AC_CACHE_CHECK(
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[$1],
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[$2],
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <stdlib.h>
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#include <string.h>
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#include "bfd.h"
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#include "$4"],
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[return $3;]
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)],
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[[$2]=yes],
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[[$2]=no]
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)]
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)
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CFLAGS=$OLD_CFLAGS
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LDFLAGS=$OLD_LDFLAGS
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LIBS=$OLD_LIBS])
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dnl GDB_GUILE_PROGRAM_NAMES([PKG-CONFIG], [VERSION])
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dnl
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dnl Define and substitute 'GUILD' to contain the absolute file name of
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dnl the 'guild' command for VERSION, using PKG-CONFIG. (This is
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dnl similar to Guile's 'GUILE_PROGS' macro.)
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AC_DEFUN([GDB_GUILE_PROGRAM_NAMES], [
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AC_CACHE_CHECK([for the absolute file name of the 'guild' command],
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[ac_cv_guild_program_name],
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[ac_cv_guild_program_name="`$1 --variable guild $2`"
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# In Guile up to 2.0.11 included, guile-2.0.pc would not define
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# the 'guild' and 'bindir' variables. In that case, try to guess
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# what the program name is, at the risk of getting it wrong if
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# Guile was configured with '--program-suffix' or similar.
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if test "x$ac_cv_guild_program_name" = "x"; then
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guile_exec_prefix="`$1 --variable exec_prefix $2`"
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ac_cv_guild_program_name="$guile_exec_prefix/bin/guild"
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fi
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])
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if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
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AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable])
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fi
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GUILD="$ac_cv_guild_program_name"
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AC_SUBST([GUILD])
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])
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dnl GDB_GUILD_TARGET_FLAG
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dnl
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dnl Compute the value of GUILD_TARGET_FLAG.
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dnl For native builds this is empty.
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dnl For cross builds this is --target=<host>.
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AC_DEFUN([GDB_GUILD_TARGET_FLAG], [
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if test "$cross_compiling" = no; then
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GUILD_TARGET_FLAG=
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else
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GUILD_TARGET_FLAG="--target=$host"
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fi
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AC_SUBST(GUILD_TARGET_FLAG)
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])
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dnl GDB_TRY_GUILD([SRC-FILE])
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dnl
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dnl We precompile the .scm files and install them with gdb, so make sure
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dnl guild works for this host.
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dnl The .scm files are precompiled for several reasons:
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dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output
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dnl is unnecessarily verbose).
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dnl 2) Make gdb developers see compilation errors/warnings during the build,
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dnl and not leave it to later when the user runs gdb.
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dnl 3) As a convenience for the user, so that one copy of the files is built
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dnl instead of one copy per user.
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dnl
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dnl Make sure guild can handle this host by trying to compile SRC-FILE, and
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dnl setting ac_cv_guild_ok to yes or no.
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dnl Note that guild can handle cross-compilation.
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dnl It could happen that guild can't handle the host, but guile would still
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dnl work. For the time being we're conservative, and if guild doesn't work
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dnl we punt.
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AC_DEFUN([GDB_TRY_GUILD], [
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AC_REQUIRE([GDB_GUILD_TARGET_FLAG])
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AC_CACHE_CHECK([whether guild supports this host],
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[ac_cv_guild_ok],
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[echo "$ac_cv_guild_program_name compile $GUILD_TARGET_FLAG -o conftest.go $1" >&AS_MESSAGE_LOG_FD
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if "$ac_cv_guild_program_name" compile $GUILD_TARGET_FLAG -o conftest.go "$1" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
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|
ac_cv_guild_ok=yes
|
||
|
|
else
|
||
|
|
ac_cv_guild_ok=no
|
||
|
|
fi])
|
||
|
|
])
|