X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fconfigure.ac;h=70452d3ff056e11b533988595db9b3c62baf94f7;hb=20249ae4551ae7b2193caed73d9ce8d594f38754;hp=26c8ecfc954cfa1b0cc46152a04cdd05f32b6fb3;hpb=e9bcb6585201ab674d90d714295f63b40da41f16;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/configure.ac b/gdb/configure.ac index 26c8ecfc95..70452d3ff0 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -1,5 +1,5 @@ dnl Autoconf configure script for GDB, the GNU debugger. -dnl Copyright (C) 1995-2014 Free Software Foundation, Inc. +dnl Copyright (C) 1995-2016 Free Software Foundation, Inc. dnl dnl This file is part of GDB. dnl @@ -27,6 +27,8 @@ AM_MAINTAINER_MODE . $srcdir/../bfd/development.sh AC_PROG_CC +AC_PROG_CXX + AC_USE_SYSTEM_EXTENSIONS ACX_LARGEFILE AM_PROG_CC_STDC @@ -36,6 +38,9 @@ AC_CONFIG_AUX_DIR(..) AC_CANONICAL_SYSTEM AC_ARG_PROGRAM +# See if we are building with C++, and substitute COMPILER. +GDB_AC_BUILD_WITH_CXX + # Dependency checking. ZW_CREATE_DEPDIR ZW_PROG_COMPILER_DEPENDENCIES([CC]) @@ -51,11 +56,18 @@ esac AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes) AC_PROG_MAKE_SET +gnulib_extra_configure_args= +# If large-file support is disabled, make sure gnulib does the same. +if test "$enable_largefile" = no; then +gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile" +fi + # Configure gnulib. We need to build gnulib under some other # directory not "gnulib", to avoid the problem of both GDB and # GDBserver wanting to build it in the same directory, when building # in the source dir. -ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"]) +ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"], + ["$gnulib_extra_configure_args"]) dnl List of object files and targets accumulated by configure. @@ -198,6 +210,10 @@ fi . $srcdir/configure.host +# Add in the common host objects. +. $srcdir/common/common.host +gdb_host_obs="$gdb_host_obs $common_host_obs" + # Accumulate some settings from configure.tgt over all enabled targets TARGET_OBS= @@ -518,8 +534,10 @@ AC_SEARCH_LIBS(socketpair, socket) # Link in zlib if we can. This allows us to read compressed debug sections. AM_ZLIB -# On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c). -AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl]) +# On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c). +AC_SEARCH_LIBS(kinfo_getvmmap, util, + [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1, + [Define to 1 if your system has the kinfo_getvmmap function. ])]) AM_ICONV @@ -546,33 +564,6 @@ AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin}) ]) -# On alpha-osf, it appears that libtermcap and libcurses are not compatible. -# There is a very specific comment in /usr/include/curses.h explaining that -# termcap routines built into libcurses must not be used. -# -# The symptoms we observed so far is GDB unexpectedly changing -# the terminal settings when tgetent is called - this is particularly -# visible as the output is missing carriage returns, and so rapidly -# becomes very hard to read. -# -# The readline configure script has already decided that libtermcap -# was enough for its purposes, and so decided to build readline using -# libtermcap. Since the TUI mode requires curses, building GDB with -# TUI enabled results in both libraries to be used at the same time, -# which is not allowed. This basically means that GDB with TUI is -# broken on alpha-osf. - -case $host_os in - osf* ) - if test x"$enable_tui" = xyes; then - AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host]) - fi - if test x"$enable_tui" = xauto; then - enable_tui=no - fi - ;; -esac - # For the TUI, we need enhanced curses functionality. if test x"$enable_tui" != xno; then prefer_curses=yes @@ -626,17 +617,13 @@ case $host_os in go32* | *djgpp*) ac_cv_search_tgetent="none required" ;; - *mingw32*) - ac_cv_search_tgetent="none required" - CONFIG_OBS="$CONFIG_OBS windows-termcap.o" - ;; esac # These are the libraries checked by Readline. AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses]) if test "$ac_cv_search_tgetent" = no; then - AC_MSG_ERROR([no termcap library found]) + CONFIG_OBS="$CONFIG_OBS stub-termcap.o" fi AC_ARG_WITH([system-readline], @@ -999,15 +986,6 @@ if test "${have_libpython}" != no; then AC_MSG_RESULT(${PYTHON_CFLAGS}) fi - # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides: - # #if _SGIAPI - # #define siginfo __siginfo - # #endif - # The problem is that including Python causes some XOPEN macros to be - # unilaterally defined, and that in turn causes _SGIAPI to evaluate - # to false. So, we work around this issue by defining siginfo ourself - # though the command-line. - # # On x64 Windows, Python's include headers, and pyconfig.h in # particular, rely on MS_WIN64 macro to detect that it's a 64bit # version of Windows. Unfortunately, MS_WIN64 is only defined if @@ -1017,10 +995,6 @@ if test "${have_libpython}" != no; then # solved as of 2012-10-02 (http://bugs.python.org/issue4709). case "$gdb_host" in - irix*) if test "${GCC}" = yes; then - CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo" - fi - ;; mingw64) if test "${GCC}" = yes; then CPPFLAGS="$CPPFLAGS -DMS_WIN64" @@ -1113,6 +1087,11 @@ AC_DEFUN([AC_TRY_LIBGUILE], GUILE_CPPFLAGS=$new_CPPFLAGS GUILE_LIBS=$new_LIBS], [found_usable_guile=no]) + dnl scm_set_automatic_finalization_enabled added in Guile 2.2. + AC_CHECK_FUNC(scm_set_automatic_finalization_enabled, + AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1, + [Define if Guile supports manual finalization.]) + ) CPPFLAGS=$save_CPPFLAGS LIBS=$save_LIBS if test "${found_usable_guile}" = no; then @@ -1143,8 +1122,9 @@ dnl It could be a shell script. It is invoked as: dnl pkg-config --exists $version dnl pkg-config --cflags $version dnl pkg-config --libs $version -dnl $version will be the default guile version (currently guile-2.0), -dnl but the program is free to ignore this. +dnl pkg-config --variable guild $version +dnl The script will be called with $version having each value in +dnl $try_guile_versions until --exists indicates success. AC_ARG_WITH(guile, AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no//)]), @@ -1196,7 +1176,14 @@ esac if test "${have_libguile}" != no; then dnl Get the name of the 'guild' program. - GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"]) + case "${with_guile}" in + [[\\/]]* | ?:[[\\/]]*) + GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"]) + ;; + *) + GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"]) + ;; + esac dnl Make sure guild can handle this host. GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm]) @@ -1233,11 +1220,6 @@ AC_SUBST(GUILE_CPPFLAGS) AC_SUBST(GUILE_LIBS) AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no) -# PR 17185, see if we can get the libgc version to see if we need -# to apply the workaround. -AC_CHECK_HEADERS(gc/gc.h) -AC_CHECK_FUNCS([setenv]) - # --------------------- # # Check for libmcheck. # # --------------------- # @@ -1260,6 +1242,40 @@ if test "$ENABLE_LIBMCHECK" = "yes" \ AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python) fi +AC_ARG_WITH(intel_pt, + AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]), + [], [with_intel_pt=auto]) +AC_MSG_CHECKING([whether to use intel pt]) +AC_MSG_RESULT([$with_intel_pt]) + +if test "${with_intel_pt}" = no; then + AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.]) + HAVE_LIBIPT=no +else + AC_PREPROC_IFELSE(AC_LANG_SOURCE([[ +#include +#ifndef PERF_ATTR_SIZE_VER5 +# error +#endif + ]]), [perf_event=yes], [perf_event=no]) + if test "$perf_event" != yes; then + if test "$with_intel_pt" = yes; then + AC_MSG_ERROR([linux/perf_event.h missing or too old]) + else + AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.]) + fi + fi + + AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);]) + if test "$HAVE_LIBIPT" != yes; then + if test "$with_intel_pt" = yes; then + AC_MSG_ERROR([libipt is missing or unusable]) + else + AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.]) + fi + fi +fi + # ------------------------- # # Checks for header files. # # ------------------------- # @@ -1308,6 +1324,8 @@ AC_CHECK_HEADERS(term.h, [], [], # Checks for declarations. # # ------------------------- # +libiberty_INIT + AC_CHECK_DECLS([free, malloc, realloc, snprintf]) AM_LC_MESSAGES @@ -1321,7 +1339,6 @@ AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) # Checks for types. # # ------------------ # -AC_TYPE_SIGNAL AC_CHECK_TYPES(socklen_t, [], [], [#include #include @@ -1339,88 +1356,20 @@ AC_C_BIGENDIAN # Checks for library functions. # # ------------------------------ # -AC_FUNC_ALLOCA AC_FUNC_MMAP AC_FUNC_VFORK -AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \ - pipe poll pread pread64 pwrite readlink resize_term \ +AC_CHECK_FUNCS([getauxval getrusage getuid getgid \ + pipe poll pread pread64 pwrite resize_term \ sbrk setpgid setpgrp setsid \ sigaction sigprocmask sigsetmask socketpair \ ttrace wborder wresize setlocale iconvlist libiconvlist btowc \ - setrlimit getrlimit posix_madvise waitpid lstat \ - ptrace64 sigaltstack]) + setrlimit getrlimit posix_madvise waitpid \ + ptrace64 sigaltstack mkdtemp setns]) AM_LANGINFO_CODESET GDB_AC_COMMON -# Check the return and argument types of ptrace. No canned test for -# this, so roll our own. -gdb_ptrace_headers=' -#include -#if HAVE_SYS_PTRACE_H -# include -#endif -#if HAVE_UNISTD_H -# include -#endif -' -# There is no point in checking if we don't have a prototype. -AC_CHECK_DECLS(ptrace, [], [ - : ${gdb_cv_func_ptrace_ret='int'} - : ${gdb_cv_func_ptrace_args='int,int,long,long'} -], $gdb_ptrace_headers) -# Check return type. Varargs (used on GNU/Linux) conflict with the -# empty argument list, so check for that explicitly. -AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret, - AC_TRY_COMPILE($gdb_ptrace_headers, - [extern long ptrace (enum __ptrace_request, ...);], - gdb_cv_func_ptrace_ret='long', - AC_TRY_COMPILE($gdb_ptrace_headers, - [extern int ptrace ();], - gdb_cv_func_ptrace_ret='int', - gdb_cv_func_ptrace_ret='long'))) -AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret, - [Define as the return type of ptrace.]) -# Check argument types. -AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [ - AC_TRY_COMPILE($gdb_ptrace_headers, - [extern long ptrace (enum __ptrace_request, ...);], - [gdb_cv_func_ptrace_args='int,int,long,long'],[ -for gdb_arg1 in 'int' 'long'; do - for gdb_arg2 in 'pid_t' 'int' 'long'; do - for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do - for gdb_arg4 in 'int' 'long' 'void *'; do - AC_TRY_COMPILE($gdb_ptrace_headers, [ -extern $gdb_cv_func_ptrace_ret - ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4); -], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4"; - break 4;]) - for gdb_arg5 in 'int *' 'int' 'long'; do - AC_TRY_COMPILE($gdb_ptrace_headers, [ -extern $gdb_cv_func_ptrace_ret - ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5); -], [ -gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5"; - break 5;]) - done - done - done - done -done -# Provide a safe default value. -: ${gdb_cv_func_ptrace_args='int,int,long,long'} -])]) -ac_save_IFS=$IFS; IFS=',' -set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'` -IFS=$ac_save_IFS -shift -AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3], - [Define to the type of arg 3 for ptrace.]) -AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG4, $[4], - [Define to the type of arg 4 for ptrace.]) -if test -n "$[5]"; then - AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5], - [Define to the type of arg 5 for ptrace.]) -fi +# Check the return and argument types of ptrace. +GDB_AC_PTRACE dnl AC_FUNC_SETPGRP does not work when cross compiling dnl Instead, assume we will have a prototype for setpgrp if cross compiling. @@ -1499,7 +1448,8 @@ fi # See if supports the %fs and %gs i386 segment registers. # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'. AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [], - [#include ]) + [#include +#include ]) # See if supports the %fs_base and %gs_bas amd64 segment registers. # Older amd64 Linux's don't have the fs_base and gs_base members of @@ -1561,6 +1511,13 @@ if test $gdb_cv_have_pt_getxmmregs = yes; then [Define if sys/ptrace.h defines the PT_GETXMMREGS request.]) fi +# See if supports LWP names on FreeBSD +# Older FreeBSD versions don't have the pl_tdname member of +# `struct ptrace_lwpinfo'. +AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [], + [#include ]) + + # Detect which type of /proc is in use, such as for Solaris. if test "${target}" = "${host}"; then @@ -1901,25 +1858,6 @@ if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then [Define if has the TD_NOTLS error code.]) fi -dnl See if we have a sys/syscall header file that has __NR_tkill. -if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then - AC_CACHE_CHECK([whether has __NR_tkill], - gdb_cv_sys_syscall_h_has_tkill, - AC_TRY_COMPILE( - [#include ], - [int i = __NR_tkill;], - gdb_cv_sys_syscall_h_has_tkill=yes, - gdb_cv_sys_syscall_h_has_tkill=no - ) - ) -fi -dnl See if we can issue tkill syscall. -if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes"; then - AC_CHECK_FUNC(syscall, - AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.]) - ) -fi - dnl Check if we can disable the virtual address space randomization. dnl The functionality of setarch -R. AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include ]) @@ -1975,86 +1913,7 @@ GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit, [automatically load a system-wide gdbinit file], []) -AC_ARG_ENABLE(werror, - AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]), - [case "${enableval}" in - yes | y) ERROR_ON_WARNING="yes" ;; - no | n) ERROR_ON_WARNING="no" ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; - esac]) - -# Enable -Werror by default when using gcc. Turn it off for releases. -if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then - ERROR_ON_WARNING=yes -fi - -WERROR_CFLAGS="" -if test "${ERROR_ON_WARNING}" = yes ; then - WERROR_CFLAGS="-Werror" -fi - -build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \ --Wpointer-sign \ --Wno-unused -Wunused-value -Wunused-function \ --Wno-switch -Wno-char-subscripts -Wmissing-prototypes \ --Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \ --Wold-style-declaration -Wold-style-definition" - -# Enable -Wno-format by default when using gcc on mingw since many -# GCC versions complain about %I64. -case "${host}" in - *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;; - *) build_warnings="$build_warnings -Wformat-nonliteral" ;; -esac - -AC_ARG_ENABLE(build-warnings, -AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]), -[case "${enableval}" in - yes) ;; - no) build_warnings="-w";; - ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` - build_warnings="${build_warnings} ${t}";; - *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` - build_warnings="${t} ${build_warnings}";; - *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; -esac -if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then - echo "Setting compiler warning flags = $build_warnings" 6>&1 -fi])dnl -AC_ARG_ENABLE(gdb-build-warnings, -AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]), -[case "${enableval}" in - yes) ;; - no) build_warnings="-w";; - ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` - build_warnings="${build_warnings} ${t}";; - *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` - build_warnings="${t} ${build_warnings}";; - *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; -esac -if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then - echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1 -fi])dnl -WARN_CFLAGS="" -if test "x${build_warnings}" != x -a "x$GCC" = xyes -then - AC_MSG_CHECKING(compiler warning flags) - # Separate out the -Werror flag as some files just cannot be - # compiled with it enabled. - for w in ${build_warnings}; do - case $w in - -Werr*) WERROR_CFLAGS=-Werror ;; - *) # Check that GCC accepts it - saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $w" - AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) - CFLAGS="$saved_CFLAGS" - esac - done - AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS}) -fi -AC_SUBST(WARN_CFLAGS) -AC_SUBST(WERROR_CFLAGS) +AM_GDB_WARNINGS # In the Cygwin environment, we need some additional flags. AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin, @@ -2100,7 +1959,7 @@ AC_SUBST(WIN32LIBS) GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf, [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h) if test $gdb_cv_var_elf = yes; then - CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o" + CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o" AC_DEFINE(HAVE_ELF, 1, [Define if ELF support should be included.]) # -ldl is provided by bfd/Makfile.am (LIBDL) . @@ -2116,13 +1975,6 @@ if test $gdb_cv_var_macho = yes; then CONFIG_OBS="$CONFIG_OBS machoread.o" fi -# Add SOM support to GDB, but only if BFD includes it. -GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som, - [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h) -if test $gdb_cv_var_som = yes; then - CONFIG_OBS="$CONFIG_OBS somread.o" -fi - # Add any host-specific objects to GDB. CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}" @@ -2304,6 +2156,14 @@ if test "${ignore_sim}" = "false"; then SIM="${gdb_sim}" SIM_OBS="remote-sim.o" AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.]) + + # Some tdep code should only be compiled in when the ppc sim is + # built. PR sim/13418. + case $target in + powerpc*-*-*) + AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.]) + ;; + esac fi fi AC_SUBST(SIM) @@ -2470,21 +2330,10 @@ dnl At the moment, we just assume it's UTF-8. AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8", [Define to be a string naming the default host character set.]) -# Undo the $ec_script escaping suitable for Makefile. -transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'` -GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"` -if test "x$GDB_TRANSFORM_NAME" = x; then - GDB_TRANSFORM_NAME=gdb -fi -AC_SUBST(GDB_TRANSFORM_NAME) -GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"` -if test "x$GCORE_TRANSFORM_NAME" = x; then - GCORE_TRANSFORM_NAME=gcore -fi -AC_SUBST(GCORE_TRANSFORM_NAME) +GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME]) +GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME]) AC_CONFIG_FILES([gcore], [chmod +x gcore]) - -AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile, +AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile], [ case x$CONFIG_HEADERS in xconfig.h:config.in) @@ -2492,4 +2341,4 @@ echo > stamp-h ;; esac ]) -exit 0 +AC_OUTPUT