mirror of
https://github.com/JakeHillion/drgn.git
synced 2024-12-23 09:43:06 +00:00
512acbc9c8
elfutils 0.179 was just released, and it includes my fix for vmcores with >= 2^16 phdrs. Based on: 3a7728808 Prepare for 0.179 With the following patches: configure: Add --disable-programs configure: Add --disable-shared libdwfl: add interface for attaching to/detaching from threads libdwfl: add interface for getting Dwfl_Module and Dwarf_Frame for Dwfl_Frame libdwfl: export __libdwfl_frame_reg_get as dwfl_frame_register libdwfl: add interface for evaluating DWARF expressions in a frame
766 lines
28 KiB
Plaintext
766 lines
28 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
|
|
dnl Configure input file for elfutils. -*-autoconf-*-
|
|
dnl
|
|
dnl Copyright (C) 1996-2019 Red Hat, Inc.
|
|
dnl
|
|
dnl This file is part of elfutils.
|
|
dnl
|
|
dnl This file is free software; you can redistribute it and/or modify
|
|
dnl it under the terms of the GNU General Public License as published by
|
|
dnl the Free Software Foundation; either version 3 of the License, or
|
|
dnl (at your option) any later version.
|
|
dnl
|
|
dnl elfutils is distributed in the hope that it will be useful, but
|
|
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
dnl GNU General Public License for more details.
|
|
dnl
|
|
dnl You should have received a copy of the GNU General Public License
|
|
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
AC_INIT([elfutils],[0.179],[https://sourceware.org/bugzilla],[elfutils],[http://elfutils.org/])
|
|
|
|
dnl Workaround for older autoconf < 2.64
|
|
m4_ifndef([AC_PACKAGE_URL],
|
|
[AC_DEFINE([PACKAGE_URL], ["http://elfutils.org/"],
|
|
[Define to home page for this package])
|
|
AC_SUBST([PACKAGE_URL], ["http://elfutils.org/"])])
|
|
|
|
# We want eu- as default program prefix if none was given by the user.
|
|
# But if the user explicitly provided --program-prefix="" then pretend
|
|
# it wasn't set at all (NONE). We want to test this really early before
|
|
# configure has a chance to use the value.
|
|
|
|
if test "x$program_prefix" = "xNONE"; then
|
|
AC_MSG_NOTICE([No --program-prefix given, using "eu-"])
|
|
program_prefix="eu-"
|
|
elif test "x$program_prefix" = "x"; then
|
|
AC_MSG_NOTICE([Using no program-prefix])
|
|
program_prefix=NONE
|
|
fi
|
|
|
|
AC_CONFIG_AUX_DIR([config])
|
|
AC_CONFIG_FILES([config/Makefile])
|
|
|
|
AC_COPYRIGHT([Copyright (C) 1996-2018 The elfutils developers.])
|
|
AC_PREREQ(2.63) dnl Minimum Autoconf version required.
|
|
|
|
dnl We use GNU make extensions; automake 1.10 defaults to -Wportability.
|
|
AM_INIT_AUTOMAKE([gnits 1.11 -Wno-portability dist-bzip2 no-dist-gzip parallel-tests])
|
|
AM_MAINTAINER_MODE
|
|
|
|
AM_SILENT_RULES([yes])
|
|
|
|
AC_CONFIG_SRCDIR([libelf/libelf.h])
|
|
AC_CONFIG_FILES([Makefile])
|
|
AC_CONFIG_HEADERS([config.h])
|
|
|
|
AC_CONFIG_MACRO_DIR([m4])
|
|
AC_CONFIG_FILES([m4/Makefile])
|
|
|
|
dnl The RPM spec file. We substitute a few values in the file.
|
|
AC_CONFIG_FILES([elfutils.spec:config/elfutils.spec.in])
|
|
|
|
dnl debuginfo-server client & server parts.
|
|
AC_CONFIG_FILES([debuginfod/Makefile])
|
|
|
|
AC_CANONICAL_HOST
|
|
|
|
AC_ARG_ENABLE([programs],
|
|
AS_HELP_STRING([--disable-programs], [do not build utility programs]),
|
|
[], [enable_programs=yes])
|
|
AM_CONDITIONAL(ENABLE_PROGRAMS, test "$enable_programs" = yes)
|
|
|
|
AC_ARG_ENABLE([shared],
|
|
AS_HELP_STRING([--disable-shared], [do not build shared libraries]),
|
|
[], [enable_shared=yes])
|
|
AM_CONDITIONAL(ENABLE_SHARED, test "$enable_shared" = yes)
|
|
|
|
AC_ARG_ENABLE(deterministic-archives,
|
|
[AS_HELP_STRING([--enable-deterministic-archives],
|
|
[ar and ranlib default to -D behavior])], [
|
|
if test "${enableval}" = no; then
|
|
default_ar_deterministic=false
|
|
else
|
|
default_ar_deterministic=true
|
|
fi], [default_ar_deterministic=false])
|
|
AC_DEFINE_UNQUOTED(DEFAULT_AR_DETERMINISTIC, $default_ar_deterministic,
|
|
[Should ar and ranlib use -D behavior by default?])
|
|
|
|
AC_ARG_ENABLE([thread-safety],
|
|
AS_HELP_STRING([--enable-thread-safety],
|
|
[enable thread safety of libraries EXPERIMENTAL]),
|
|
use_locks=$enableval, use_locks=no)
|
|
AM_CONDITIONAL(USE_LOCKS, test "$use_locks" = yes)
|
|
AS_IF([test "$use_locks" = yes], [AC_DEFINE(USE_LOCKS)])
|
|
AS_IF([test "$use_locks" = yes],
|
|
[AC_MSG_WARN([thread-safety is EXPERIMENTAL tests might fail.])])
|
|
|
|
AH_TEMPLATE([USE_LOCKS], [Defined if libraries should be thread-safe.])
|
|
|
|
AC_PROG_CC
|
|
AC_PROG_RANLIB
|
|
AC_PROG_YACC
|
|
AM_PROG_LEX
|
|
# Only available since automake 1.12
|
|
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
|
|
AC_CHECK_TOOL([READELF], [readelf])
|
|
AC_CHECK_TOOL([NM], [nm])
|
|
|
|
# We use -std=gnu99 but have explicit checks for some language constructs
|
|
# and GNU extensions since some compilers claim GNU99 support, but don't
|
|
# really support all language extensions. In particular we need
|
|
# Mixed Declarations and Code
|
|
# https://gcc.gnu.org/onlinedocs/gcc/Mixed-Declarations.html
|
|
# Nested Functions
|
|
# https://gcc.gnu.org/onlinedocs/gcc/Nested-Functions.html
|
|
# Arrays of Variable Length
|
|
# https://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html
|
|
AC_CACHE_CHECK([for gcc with GNU99 support], ac_cv_c99, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -std=gnu99"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([dnl
|
|
int foo (int a)
|
|
{
|
|
for (int i = 0; i < a; ++i) if (i % 4) break; int s = a; return s;
|
|
}
|
|
|
|
double bar (double a, double b)
|
|
{
|
|
double square (double z) { return z * z; }
|
|
return square (a) + square (b);
|
|
}
|
|
|
|
void baz (int n)
|
|
{
|
|
struct S { int x[[n]]; };
|
|
}])],
|
|
ac_cv_c99=yes, ac_cv_c99=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AS_IF([test "x$ac_cv_c99" != xyes],
|
|
AC_MSG_ERROR([gcc with GNU99 support required]))
|
|
|
|
AC_CACHE_CHECK([whether gcc supports __attribute__((visibility()))],
|
|
ac_cv_visibility, [dnl
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$save_CFLAGS -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([dnl
|
|
int __attribute__((visibility("hidden")))
|
|
foo (int a)
|
|
{
|
|
return a;
|
|
}])], ac_cv_visibility=yes, ac_cv_visibility=no)
|
|
CFLAGS="$save_CFLAGS"])
|
|
if test "$ac_cv_visibility" = "yes"; then
|
|
AC_DEFINE([HAVE_VISIBILITY], [1],
|
|
[Defined if __attribute__((visibility())) is supported])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([whether gcc supports __attribute__((gcc_struct))],
|
|
ac_cv_gcc_struct, [dnl
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$save_CFLAGS -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([dnl
|
|
struct test { int x; } __attribute__((gcc_struct));
|
|
])], ac_cv_gcc_struct=yes, ac_cv_gcc_struct=no)
|
|
CFLAGS="$save_CFLAGS"])
|
|
if test "$ac_cv_gcc_struct" = "yes"; then
|
|
AC_DEFINE([HAVE_GCC_STRUCT], [1],
|
|
[Defined if __attribute__((gcc_struct)) is supported])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([whether gcc supports -fPIC], ac_cv_fpic, [dnl
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$save_CFLAGS -fPIC -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE()], ac_cv_fpic=yes, ac_cv_fpic=no)
|
|
CFLAGS="$save_CFLAGS"
|
|
])
|
|
if test "$ac_cv_fpic" = "yes"; then
|
|
fpic_CFLAGS="-fPIC"
|
|
else
|
|
fpic_CFLAGS=""
|
|
fi
|
|
AC_SUBST([fpic_CFLAGS])
|
|
|
|
AC_CACHE_CHECK([whether gcc supports -fPIE], ac_cv_fpie, [dnl
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$save_CFLAGS -fPIE -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE()], ac_cv_fpie=yes, ac_cv_fpie=no)
|
|
CFLAGS="$save_CFLAGS"
|
|
])
|
|
if test "$ac_cv_fpie" = "yes"; then
|
|
fpie_CFLAGS="-fPIE"
|
|
else
|
|
fpie_CFLAGS=""
|
|
fi
|
|
AC_SUBST([fpie_CFLAGS])
|
|
|
|
dso_LDFLAGS="-shared"
|
|
|
|
ZDEFS_LDFLAGS="-Wl,-z,defs"
|
|
AC_CACHE_CHECK([whether gcc supports $ZDEFS_LDFLAGS], ac_cv_zdefs, [dnl
|
|
save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$ZDEFS_LDFLAGS $save_LDFLAGS"
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM()], ac_cv_zdefs=yes, ac_cv_zdefs=no)
|
|
LDFLAGS="$save_LDFLAGS"
|
|
])
|
|
if test "$ac_cv_zdefs" = "yes"; then
|
|
dso_LDFLAGS="$dso_LDFLAGS $ZDEFS_LDFLAGS"
|
|
fi
|
|
|
|
# We really want build-ids. Warn and force generating them if gcc was
|
|
# configure without --enable-linker-build-id
|
|
AC_CACHE_CHECK([whether the compiler generates build-ids], ac_cv_buildid, [dnl
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM()],[ac_cv_buildid=yes; readelf -n conftest$EXEEXT | grep -q NT_GNU_BUILD_ID || ac_cv_buildid=no],AC_MSG_FAILURE([unexpected compile failure]))])
|
|
if test "$ac_cv_buildid" = "no"; then
|
|
AC_MSG_WARN([compiler doesn't generate build-id by default])
|
|
LDFLAGS="$LDFLAGS -Wl,--build-id"
|
|
fi
|
|
|
|
ZRELRO_LDFLAGS="-Wl,-z,relro"
|
|
AC_CACHE_CHECK([whether gcc supports $ZRELRO_LDFLAGS], ac_cv_zrelro, [dnl
|
|
save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$ZRELRO_LDFLAGS $save_LDFLAGS"
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM()], ac_cv_zrelro=yes, ac_cv_zrelro=no)
|
|
LDFLAGS="$save_LDFLAGS"
|
|
])
|
|
if test "$ac_cv_zrelro" = "yes"; then
|
|
dso_LDFLAGS="$dso_LDFLAGS $ZRELRO_LDFLAGS"
|
|
fi
|
|
|
|
AC_SUBST([dso_LDFLAGS])
|
|
|
|
AC_CACHE_CHECK([for __thread support], ac_cv_tls, [dnl
|
|
# Use the same flags that we use for our DSOs, so the test is representative.
|
|
# Some old compiler/linker/libc combinations fail some ways and not others.
|
|
save_CFLAGS="$CFLAGS"
|
|
save_LDFLAGS="$LDFLAGS"
|
|
CFLAGS="$fpic_CFLAGS $CFLAGS"
|
|
LDFLAGS="$dso_LDFLAGS $LDFLAGS"
|
|
AC_LINK_IFELSE([dnl
|
|
AC_LANG_PROGRAM([[#include <stdlib.h>
|
|
#undef __thread
|
|
static __thread int a; int foo (int b) { return a + b; }]],
|
|
[[exit (foo (0));]])],
|
|
ac_cv_tls=yes, ac_cv_tls=no)
|
|
CFLAGS="$save_CFLAGS"
|
|
LDFLAGS="$save_LDFLAGS"])
|
|
AS_IF([test "x$ac_cv_tls" != xyes],
|
|
AC_MSG_ERROR([__thread support required]))
|
|
|
|
dnl Before 4.9 gcc doesn't ship stdatomic.h, but the nessesary atomics are
|
|
dnl available by (at least) 4.7. So if the system doesn't have a stdatomic.h we
|
|
dnl fall back on one copied from FreeBSD that handles the difference.
|
|
AC_CACHE_CHECK([whether gcc provides stdatomic.h], ac_cv_has_stdatomic,
|
|
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdatomic.h>]])],
|
|
ac_cv_has_stdatomic=yes, ac_cv_has_stdatomic=no)])
|
|
AM_CONDITIONAL(HAVE_STDATOMIC_H, test "x$ac_cv_has_stdatomic" = xyes)
|
|
AS_IF([test "x$ac_cv_has_stdatomic" = xyes], [AC_DEFINE(HAVE_STDATOMIC_H)])
|
|
|
|
AH_TEMPLATE([HAVE_STDATOMIC_H], [Define to 1 if `stdatomic.h` is provided by the
|
|
system, 0 otherwise.])
|
|
|
|
dnl This test must come as early as possible after the compiler configuration
|
|
dnl tests, because the choice of the file model can (in principle) affect
|
|
dnl whether functions and headers are available, whether they work, etc.
|
|
AC_SYS_LARGEFILE
|
|
|
|
dnl Older glibc had a broken fts that didn't work with Large File Systems.
|
|
dnl We want the version that can handler LFS, but include workaround if we
|
|
dnl get a bad one. Add define to CFLAGS (not AC_DEFINE it) since we need to
|
|
dnl check it before including config.h (which might define _FILE_OFFSET_BITS).
|
|
AC_CACHE_CHECK([whether fts.h is bad when included (with LFS)], ac_cv_bad_fts,
|
|
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <fts.h>]])],
|
|
ac_cv_bad_fts=no, ac_cv_bad_fts=yes)])
|
|
AS_IF([test "x$ac_cv_bad_fts" = "xyes"], [CFLAGS="$CFLAGS -DBAD_FTS=1"])
|
|
|
|
# See if we can add -D_FORTIFY_SOURCE=2. Don't do it if it is already
|
|
# (differently) defined or if it generates warnings/errors because we
|
|
# don't use the right optimisation level (string.h will warn about that).
|
|
AC_MSG_CHECKING([whether to add -D_FORTIFY_SOURCE=2 to CFLAGS])
|
|
case "$CFLAGS" in
|
|
*-D_FORTIFY_SOURCE=2*)
|
|
AC_MSG_RESULT([no, already there])
|
|
;;
|
|
*)
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="-D_FORTIFY_SOURCE=2 $CFLAGS -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
|
#include <string.h>
|
|
int main() { return 0; }
|
|
]])], [ AC_MSG_RESULT([yes])
|
|
CFLAGS="-D_FORTIFY_SOURCE=2 $save_CFLAGS" ],
|
|
[ AC_MSG_RESULT([no])
|
|
CFLAGS="$save_CFLAGS"])
|
|
;;
|
|
esac
|
|
|
|
dnl enable debugging of branch prediction.
|
|
AC_ARG_ENABLE([debugpred],
|
|
AS_HELP_STRING([--enable-debugpred],[build binaries with support to debug branch prediction]),
|
|
[use_debugpred=$enableval], [use_debugpred=no])
|
|
case $use_debugpred in
|
|
yes) use_debugpred_val=1 ;;
|
|
*) use_debugpred_val=0 ;;
|
|
esac
|
|
AC_SUBST([DEBUGPRED], $use_debugpred_val)
|
|
|
|
dnl Enable gprof suport.
|
|
AC_ARG_ENABLE([gprof],
|
|
AS_HELP_STRING([--enable-gprof],[build binaries with gprof support]), [use_gprof=$enableval], [use_gprof=no])
|
|
if test "$use_gprof" = yes; then
|
|
CFLAGS="$CFLAGS -pg"
|
|
LDFLAGS="$LDFLAGS -pg"
|
|
fi
|
|
AM_CONDITIONAL(GPROF, test "$use_gprof" = yes)
|
|
|
|
# Enable gcov suport.
|
|
AC_ARG_ENABLE([gcov],
|
|
AS_HELP_STRING([--enable-gcov],[build binaries with gcov support]), [use_gcov=$enableval], [use_gcov=no])
|
|
if test "$use_gcov" = yes; then
|
|
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
|
|
CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
|
|
LDFLAGS="$LDFLAGS -fprofile-arcs"
|
|
fi
|
|
AM_CONDITIONAL(GCOV, test "$use_gcov" = yes)
|
|
|
|
AC_ARG_ENABLE([sanitize-undefined],
|
|
AS_HELP_STRING([--enable-sanitize-undefined],
|
|
[Use gcc undefined behaviour sanitizer]),
|
|
[use_undefined=$enableval], [use_undefined=no])
|
|
if test "$use_undefined" = yes; then
|
|
old_CFLAGS="$CFLAGS"
|
|
old_CXXFLAGS="$CXXFLAGS"
|
|
# We explicitly use unaligned access when possible (see ALLOW_UNALIGNED)
|
|
# We want to fail immediately on first error, don't try to recover.
|
|
CFLAGS="$CFLAGS -fsanitize=undefined -fno-sanitize-recover"
|
|
CXXFLAGS="$CXXFLAGS -fsanitize=undefined -fno-sanitize-recover"
|
|
AC_LINK_IFELSE([AC_LANG_SOURCE([int main (int argc, char **argv) { return 0; }])], use_undefined=yes, use_undefined=no)
|
|
AS_IF([test "x$use_undefined" != xyes],
|
|
AC_MSG_WARN([gcc undefined behaviour sanitizer not available])
|
|
CFLAGS="$old_CFLAGS" CXXFLAGS="$old_CXXFLAGS")
|
|
fi
|
|
case $use_undefined in
|
|
yes) check_undefined_val=1 ;;
|
|
*) check_undefined_val=0 ;;
|
|
esac
|
|
AC_DEFINE_UNQUOTED(CHECK_UNDEFINED, $check_undefined_val,
|
|
[Building with -fsanitize=undefined or not])
|
|
|
|
AC_ARG_ENABLE([valgrind],
|
|
AS_HELP_STRING([--enable-valgrind],[run all tests under valgrind]),
|
|
[use_valgrind=$enableval], [use_valgrind=no])
|
|
if test "$use_valgrind" = yes; then
|
|
AC_CHECK_PROG(HAVE_VALGRIND, valgrind, yes, no)
|
|
if test "$HAVE_VALGRIND" = "no"; then
|
|
AC_MSG_ERROR([valgrind not found])
|
|
fi
|
|
fi
|
|
AM_CONDITIONAL(USE_VALGRIND, test "$use_valgrind" = yes)
|
|
|
|
AC_ARG_WITH([valgrind],
|
|
AS_HELP_STRING([--with-valgrind],[include directory for Valgrind headers]),
|
|
[with_valgrind_headers=$withval], [with_valgrind_headers=no])
|
|
if test "x$with_valgrind_headers" != xno; then
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$with_valgrind_headers"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
|
#include <valgrind/valgrind.h>
|
|
int main() { return 0; }
|
|
]])], [ HAVE_VALGRIND_HEADERS="yes"
|
|
CFLAGS="$save_CFLAGS -I$with_valgrind_headers" ],
|
|
[ AC_MSG_ERROR([invalid valgrind include directory: $with_valgrind_headers]) ])
|
|
fi
|
|
|
|
AC_ARG_ENABLE([valgrind-annotations],
|
|
AS_HELP_STRING([--enable-valgrind-annotations],[insert extra annotations for better valgrind support]),
|
|
[use_vg_annotations=$enableval], [use_vg_annotations=no])
|
|
if test "$use_vg_annotations" = yes; then
|
|
if test "x$HAVE_VALGRIND_HEADERS" != "xyes"; then
|
|
AC_MSG_CHECKING([whether Valgrind headers are available])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
|
#include <valgrind/valgrind.h>
|
|
int main() { return 0; }
|
|
]])], [ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_ERROR([valgrind annotations requested but no headers are available]) ])
|
|
fi
|
|
fi
|
|
AM_CONDITIONAL(USE_VG_ANNOTATIONS, test "$use_vg_annotations" = yes)
|
|
|
|
AC_ARG_ENABLE([install-elfh],
|
|
AS_HELP_STRING([--enable-install-elfh],[install elf.h in include dir]),
|
|
[install_elfh=$enableval], [install_elfh=no])
|
|
AM_CONDITIONAL(INSTALL_ELFH, test "$install_elfh" = yes)
|
|
|
|
AM_CONDITIONAL(BUILD_STATIC, [dnl
|
|
test "$use_gprof" = yes -o "$use_gcov" = yes])
|
|
|
|
AC_ARG_ENABLE([tests-rpath],
|
|
AS_HELP_STRING([--enable-tests-rpath],[build $ORIGIN-using rpath into tests]),
|
|
[tests_use_rpath=$enableval], [tests_use_rpath=no])
|
|
AM_CONDITIONAL(TESTS_RPATH, test "$tests_use_rpath" = yes)
|
|
|
|
dnl zlib is mandatory.
|
|
save_LIBS="$LIBS"
|
|
LIBS=
|
|
eu_ZIPLIB(zlib,ZLIB,z,gzdirect,gzip)
|
|
AS_IF([test "x$with_zlib" = xno], [AC_MSG_ERROR([zlib not found but is required])])
|
|
LIBS="$save_LIBS"
|
|
|
|
dnl Test for bzlib and xz/lzma, gives BZLIB/LZMALIB .am
|
|
dnl conditional and config.h USE_BZLIB/USE_LZMALIB #define.
|
|
save_LIBS="$LIBS"
|
|
LIBS=
|
|
eu_ZIPLIB(bzlib,BZLIB,bz2,BZ2_bzdopen,bzip2)
|
|
# We need this since bzip2 doesn't have a pkgconfig file.
|
|
BZ2_LIB="$LIBS"
|
|
AC_SUBST([BZ2_LIB])
|
|
eu_ZIPLIB(lzma,LZMA,lzma,lzma_auto_decoder,[LZMA (xz)])
|
|
AS_IF([test "x$with_lzma" = xyes], [LIBLZMA="liblzma"], [LIBLZMA=""])
|
|
AC_SUBST([LIBLZMA])
|
|
zip_LIBS="$LIBS"
|
|
LIBS="$save_LIBS"
|
|
AC_SUBST([zip_LIBS])
|
|
|
|
AC_CHECK_DECLS([memrchr, rawmemchr],[],[],
|
|
[#define _GNU_SOURCE
|
|
#include <string.h>])
|
|
AC_CHECK_DECLS([powerof2],[],[],[#include <sys/param.h>])
|
|
AC_CHECK_DECLS([mempcpy],[],[],
|
|
[#define _GNU_SOURCE
|
|
#include <string.h>])
|
|
|
|
AC_CHECK_FUNCS([process_vm_readv])
|
|
|
|
AC_CHECK_LIB([stdc++], [__cxa_demangle], [dnl
|
|
AC_DEFINE([USE_DEMANGLE], [1], [Defined if demangling is enabled])])
|
|
AM_CONDITIONAL(DEMANGLE, test "x$ac_cv_lib_stdcpp___cxa_demangle" = "xyes")
|
|
AS_IF([test "x$ac_cv_lib_stdcpp___cxa_demangle" = "xyes"],
|
|
[enable_demangler=yes],[enable_demangler=no])
|
|
|
|
AC_ARG_ENABLE([textrelcheck],
|
|
AS_HELP_STRING([--disable-textrelcheck],
|
|
[Disable textrelcheck being a fatal error]))
|
|
AM_CONDITIONAL(FATAL_TEXTREL, [test "x$enable_textrelcheck" != "xno"])
|
|
AS_IF([test "x$enable_textrelcheck" != "xno"],
|
|
[enable_textrelcheck=yes],[enable_textrelcheck=no])
|
|
|
|
AC_ARG_ENABLE([symbol-versioning],
|
|
AS_HELP_STRING([--disable-symbol-versioning],
|
|
[Disable symbol versioning in shared objects]))
|
|
|
|
AC_CACHE_CHECK([whether symbol versioning is supported], ac_cv_symbol_versioning, [dnl
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([dnl
|
|
#define NEW_VERSION(name, version) \
|
|
asm (".symver " #name "," #name "@@@" #version);
|
|
int foo(int x) { return x + 1; }
|
|
NEW_VERSION (foo, ELFUTILS_12.12)
|
|
])], ac_cv_symbol_versioning=yes, ac_cv_symbol_versioning=no)])
|
|
if test "$ac_cv_symbol_versioning" = "no"; then
|
|
if test "x$enable_symbol_versioning" != "xno"; then
|
|
AC_MSG_ERROR([Symbol versioning is not supported.
|
|
Use --disable-symbol-versioning to build without.])
|
|
fi
|
|
fi
|
|
|
|
AM_CONDITIONAL(SYMBOL_VERSIONING, [test "x$enable_symbol_versioning" != "xno"])
|
|
AS_IF([test "x$enable_symbol_versioning" = "xno"],
|
|
[AC_MSG_WARN([Disabling symbol versioning breaks ABI compatibility.])
|
|
enable_symbol_versioning=no],[enable_symbol_versioning=yes])
|
|
|
|
AC_CACHE_CHECK([whether gcc accepts -Wstack-usage], ac_cv_stack_usage, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wstack-usage=262144 -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
|
|
ac_cv_stack_usage=yes, ac_cv_stack_usage=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AM_CONDITIONAL(ADD_STACK_USAGE_WARNING, [test "x$ac_cv_stack_usage" != "xno"])
|
|
|
|
# -Wlogical-op was too fragile in the past, make sure we get a sane one.
|
|
AC_CACHE_CHECK([whether gcc has a sane -Wlogical-op], ac_cv_logical_op, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wlogical-op -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
|
|
[#define FLAG 1
|
|
int f (int r, int f) { return (r && (FLAG || (FLAG & f))); }])],
|
|
ac_cv_logical_op=yes, ac_cv_logical_op=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AM_CONDITIONAL(SANE_LOGICAL_OP_WARNING,
|
|
[test "x$ac_cv_logical_op" != "xno"])
|
|
|
|
# -Wduplicated-cond was added by GCC6
|
|
AC_CACHE_CHECK([whether gcc accepts -Wduplicated-cond], ac_cv_duplicated_cond, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wduplicated-cond -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
|
|
ac_cv_duplicated_cond=yes, ac_cv_duplicated_cond=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AM_CONDITIONAL(HAVE_DUPLICATED_COND_WARNING,
|
|
[test "x$ac_cv_duplicated_cond" != "xno"])
|
|
|
|
# -Wnull-dereference was added by GCC6
|
|
AC_CACHE_CHECK([whether gcc accepts -Wnull-dereference], ac_cv_null_dereference, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wnull-dereference -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
|
|
ac_cv_null_dereference=yes, ac_cv_null_dereference=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AM_CONDITIONAL(HAVE_NULL_DEREFERENCE_WARNING,
|
|
[test "x$ac_cv_null_dereference" != "xno"])
|
|
|
|
# -Wimplicit-fallthrough was added by GCC7
|
|
AC_CACHE_CHECK([whether gcc accepts -Wimplicit-fallthrough], ac_cv_implicit_fallthrough, [dnl
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wimplicit-fallthrough -Werror"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
|
|
ac_cv_implicit_fallthrough=yes, ac_cv_implicit_fallthrough=no)
|
|
CFLAGS="$old_CFLAGS"])
|
|
AM_CONDITIONAL(HAVE_IMPLICIT_FALLTHROUGH_WARNING,
|
|
[test "x$ac_cv_implicit_fallthrough" != "xno"])
|
|
|
|
# Assume the fallthrough attribute is supported if -Wimplict-fallthrough is supported
|
|
if test "$ac_cv_implicit_fallthrough" = "yes"; then
|
|
AC_DEFINE([HAVE_FALLTHROUGH], [1],
|
|
[Defined if __attribute__((fallthrough)) is supported])
|
|
fi
|
|
|
|
dnl Check if we have argp available from our libc
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[#include <argp.h>],
|
|
[int argc=1; char *argv[]={"test"}; argp_parse(0,argc,&argv,0,0,0); return 0;]
|
|
)],
|
|
[libc_has_argp="true"],
|
|
[libc_has_argp="false"]
|
|
)
|
|
|
|
dnl If our libc doesn't provide argp, then test for libargp
|
|
if test "$libc_has_argp" = "false" ; then
|
|
AC_MSG_WARN("libc does not have argp")
|
|
AC_CHECK_LIB([argp], [argp_parse], [have_argp="true"], [have_argp="false"])
|
|
|
|
if test "$have_argp" = "false"; then
|
|
AC_MSG_ERROR("no libargp found")
|
|
else
|
|
argp_LDADD="-largp"
|
|
fi
|
|
else
|
|
argp_LDADD=""
|
|
fi
|
|
AC_SUBST([argp_LDADD])
|
|
|
|
dnl The directories with content.
|
|
|
|
dnl Documentation.
|
|
AC_CONFIG_FILES([doc/Makefile])
|
|
|
|
dnl Support library.
|
|
AC_CONFIG_FILES([lib/Makefile])
|
|
|
|
dnl ELF library.
|
|
AC_CONFIG_FILES([libelf/Makefile])
|
|
|
|
dnl Higher-level ELF support library.
|
|
AC_CONFIG_FILES([libebl/Makefile])
|
|
|
|
dnl DWARF-ELF Lower-level Functions support library.
|
|
AC_CONFIG_FILES([libdwelf/Makefile])
|
|
|
|
dnl DWARF library.
|
|
AC_CONFIG_FILES([libdw/Makefile])
|
|
|
|
dnl Higher-level DWARF support library.
|
|
AC_CONFIG_FILES([libdwfl/Makefile])
|
|
|
|
dnl CPU handling library.
|
|
AC_CONFIG_FILES([libcpu/Makefile])
|
|
|
|
dnl Assembler library.
|
|
AM_CONDITIONAL(HAVE_LIBASM, true)dnl Used in tests/Makefile.am, which see.
|
|
AC_CONFIG_FILES([libasm/Makefile])
|
|
|
|
dnl CPU-specific backend libraries.
|
|
AC_CONFIG_FILES([backends/Makefile])
|
|
|
|
dnl Tools.
|
|
AC_CONFIG_FILES([src/Makefile po/Makefile.in])
|
|
|
|
dnl Test suite.
|
|
AM_CONDITIONAL(STANDALONE, false)dnl Used in tests/Makefile.am, which see.
|
|
AC_CONFIG_FILES([tests/Makefile])
|
|
|
|
dnl pkgconfig files
|
|
AC_CONFIG_FILES([config/libelf.pc config/libdw.pc config/libdebuginfod.pc])
|
|
|
|
# Get the definitions necessary to create the Makefiles in the po
|
|
# subdirectories. This is a small subset of the gettext rules.
|
|
AC_SUBST(USE_NLS, yes)
|
|
AM_PO_SUBDIRS
|
|
|
|
dnl Appended to the config.h file.
|
|
dnl We hide all kinds of configuration magic in lib/eu-config.h.
|
|
AH_BOTTOM([#include <eu-config.h>])
|
|
|
|
dnl Version compatibility header.
|
|
AC_CONFIG_FILES([version.h:config/version.h.in])
|
|
AC_SUBST([eu_version])
|
|
|
|
# 1.234<whatever> -> 1234<whatever>
|
|
case "$PACKAGE_VERSION" in
|
|
[[0-9]].*) eu_version=`echo "$PACKAGE_VERSION" | sed 's@\.@@'` ;;
|
|
*) AC_MSG_ERROR([confused by version number '$PACKAGE_VERSION']) ;;
|
|
esac
|
|
case "$eu_version" in
|
|
*.*)
|
|
# 1234.567 -> "1234", "567"
|
|
eu_extra_version="${eu_version#*.}"
|
|
eu_version="${eu_version%%.*}"
|
|
case "$eu_extra_version" in
|
|
[[0-9]][[0-9]][[0-9]]) ;;
|
|
[[0-9]][[0-9]]) eu_extra_version="${eu_extra_version}0" ;;
|
|
[[0-9]]) eu_extra_version="${eu_extra_version}00" ;;
|
|
*) AC_MSG_ERROR([confused by version number '$PACKAGE_VERSION']) ;;
|
|
esac
|
|
;;
|
|
*)
|
|
eu_extra_version=000
|
|
;;
|
|
esac
|
|
|
|
case "$eu_version" in
|
|
0[[0-9]][[0-9]][[0-9]]) eu_version="${eu_version#0}$eu_extra_version" ;;
|
|
[[0-9]][[0-9]][[0-9]][[0-9]]) eu_version="${eu_version}$eu_extra_version" ;;
|
|
[[0-9]][[0-9]][[0-9]]) eu_version="${eu_version}0$eu_extra_version" ;;
|
|
[[0-9]][[0-9]]) eu_version="${eu_version}00$eu_extra_version";;
|
|
*) AC_MSG_ERROR([confused by version number '$PACKAGE_VERSION']) ;;
|
|
esac
|
|
|
|
# Round up to the next release API (x.y) version.
|
|
eu_version=$(( (eu_version + 999) / 1000 ))
|
|
|
|
dnl Unique ID for this build.
|
|
MODVERSION="Build for ${eu_version} ${ac_cv_build}"
|
|
AC_SUBST([MODVERSION])
|
|
AC_DEFINE_UNQUOTED(MODVERSION, "$MODVERSION")
|
|
AH_TEMPLATE([MODVERSION], [Identifier for modules in the build.])
|
|
|
|
AC_CHECK_SIZEOF(long)
|
|
|
|
# On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
|
|
# of the user_regs_struct from sys/user.h. They are structurally the same
|
|
# but we get either one or the other.
|
|
AC_CHECK_TYPE([struct user_regs_struct],
|
|
[sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
|
|
[[#include <sys/ptrace.h>]
|
|
[#include <sys/time.h>]
|
|
[#include <sys/user.h>]])
|
|
if test "$sys_user_has_user_regs" = "yes"; then
|
|
AC_DEFINE(HAVE_SYS_USER_REGS, 1,
|
|
[Define to 1 if <sys/user.h> defines struct user_regs_struct])
|
|
fi
|
|
|
|
# On a 64-bit host where can can use $CC -m32, we'll run two sets of tests.
|
|
# Likewise in a 32-bit build on a host where $CC -m64 works.
|
|
utrace_BIARCH
|
|
# `$utrace_biarch' will be `-m64' even on an uniarch i386 machine.
|
|
CC_BIARCH="$CC $utrace_biarch"
|
|
AC_SUBST([CC_BIARCH])
|
|
|
|
# In maintainer mode we really need flex and bison.
|
|
# Otherwise we really need a release dir with maintainer files generated.
|
|
if test "x$enable_maintainer_mode" = xyes; then
|
|
AC_CHECK_PROG(HAVE_FLEX, flex, yes, no)
|
|
if test "$HAVE_FLEX" = "no"; then
|
|
AC_MSG_ERROR([flex needed in maintainer mode])
|
|
fi
|
|
AC_CHECK_PROG(HAVE_BISON, bison, yes, no)
|
|
if test "$HAVE_BISON" = "no"; then
|
|
AC_MSG_ERROR([bison needed in maintainer mode])
|
|
fi
|
|
AC_CHECK_PROG(HAVE_GAWK, gawk, yes, no)
|
|
if test "$HAVE_GAWK" = "no"; then
|
|
AC_MSG_ERROR([gawk needed in maintainer mode])
|
|
fi
|
|
else
|
|
if test ! -f ${srcdir}/libdw/known-dwarf.h; then
|
|
AC_MSG_ERROR([No libdw/known-dwarf.h. configure --enable-maintainer-mode])
|
|
fi
|
|
fi
|
|
|
|
# The testfiles are all compressed, we need bunzip2 when running make check
|
|
AC_CHECK_PROG(HAVE_BUNZIP2, bunzip2, yes, no)
|
|
if test "$HAVE_BUNZIP2" = "no"; then
|
|
AC_MSG_WARN([No bunzip2, needed to run make check])
|
|
fi
|
|
|
|
# Look for libmicrohttpd, libcurl, libarchive, sqlite for debuginfo server
|
|
# minimum versions as per rhel7. Single --enable-* option arranges to build
|
|
# both client and server.
|
|
AC_ARG_ENABLE([debuginfod],AC_HELP_STRING([--enable-debuginfod], [Build debuginfod server and client]))
|
|
AC_PROG_CXX
|
|
AS_IF([test "x$enable_debuginfod" != "xno"], [
|
|
AC_MSG_NOTICE([checking debuginfod C++11 support, --disable-debuginfod to skip])
|
|
AX_CXX_COMPILE_STDCXX(11, noext, mandatory)
|
|
AC_MSG_NOTICE([checking debuginfod dependencies, --disable-debuginfod to skip])
|
|
enable_debuginfod=yes # presume success
|
|
PKG_PROG_PKG_CONFIG
|
|
PKG_CHECK_MODULES([libmicrohttpd],[libmicrohttpd >= 0.9.33],[],[enable_debuginfod=no])
|
|
PKG_CHECK_MODULES([libcurl],[libcurl >= 7.29.0],[],[enable_debuginfod=no])
|
|
PKG_CHECK_MODULES([sqlite3],[sqlite3 >= 3.7.17],[],[enable_debuginfod=no])
|
|
PKG_CHECK_MODULES([libarchive],[libarchive >= 3.1.2],[],[enable_debuginfod=no])
|
|
if test "x$enable_debuginfod" = "xno"; then
|
|
AC_MSG_ERROR([dependencies not found, use --disable-debuginfod to disable.])
|
|
fi
|
|
])
|
|
|
|
AS_IF([test "x$enable_debuginfod" != "xno"],AC_DEFINE([ENABLE_DEBUGINFOD],[1],[Build debuginfod]))
|
|
AM_CONDITIONAL([DEBUGINFOD],[test "x$enable_debuginfod" = "xyes"])
|
|
|
|
|
|
AC_OUTPUT
|
|
|
|
AC_MSG_NOTICE([
|
|
=====================================================================
|
|
elfutils: ${PACKAGE_VERSION} (eu_version: ${eu_version})
|
|
=====================================================================
|
|
|
|
Prefix : ${prefix}
|
|
Program prefix ("eu-" recommended) : ${program_prefix}
|
|
Source code location : ${srcdir}
|
|
Maintainer mode : ${enable_maintainer_mode}
|
|
build arch : ${ac_cv_build}
|
|
|
|
RECOMMENDED FEATURES (should all be yes)
|
|
gzip support : ${with_zlib}
|
|
bzip2 support : ${with_bzlib}
|
|
lzma/xz support : ${with_lzma}
|
|
libstdc++ demangle support : ${enable_demangler}
|
|
File textrel check : ${enable_textrelcheck}
|
|
Symbol versioning : ${enable_symbol_versioning}
|
|
|
|
NOT RECOMMENDED FEATURES (should all be no)
|
|
Experimental thread safety : ${use_locks}
|
|
install elf.h : ${install_elfh}
|
|
|
|
OTHER FEATURES
|
|
Deterministic archives by default : ${default_ar_deterministic}
|
|
Native language support : ${USE_NLS}
|
|
Extra Valgrind annotations : ${use_vg_annotations}
|
|
Debuginfod client/server support : ${enable_debuginfod}
|
|
|
|
EXTRA TEST FEATURES (used with make check)
|
|
have bunzip2 installed (required) : ${HAVE_BUNZIP2}
|
|
debug branch prediction : ${use_debugpred}
|
|
gprof support : ${use_gprof}
|
|
gcov support : ${use_gcov}
|
|
run all tests under valgrind : ${use_valgrind}
|
|
gcc undefined behaviour sanitizer : ${use_undefined}
|
|
use rpath in tests : ${tests_use_rpath}
|
|
test biarch : ${utrace_cv_cc_biarch}
|
|
])
|
|
|
|
if test "$install_elfh" = yes; then
|
|
if test "${prefix}" = "/usr/local" -o "${prefix}" = "/usr"; then
|
|
AC_MSG_WARN([installing elf.h in ${includedir} might conflict with glibc/system elf.h])
|
|
fi
|
|
fi
|