dnl Process this file with autoconf to produce a configure script
dnl
-dnl Copyright (C) 2012-2021 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2022 Free Software Foundation, Inc.
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
AC_CANONICAL_TARGET
AC_CANONICAL_BUILD
-AC_ISC_POSIX
AM_INIT_AUTOMAKE
+AM_SILENT_RULES([yes])
AM_MAINTAINER_MODE
AC_PROG_CC
LT_INIT
ACX_LARGEFILE
+ac_checking=
+. ${srcdir}/../bfd/development.sh
+test "$development" = true && ac_checking=yes
+AC_ARG_ENABLE(checking,
+[ --enable-checking enable run-time checks],
+[case "${enableval}" in
+ no|none) ac_checking= ;;
+ *) ac_checking=yes ;;
+esac])dnl
+if test x$ac_checking != x ; then
+ AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
+fi
+
AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
-AC_ARG_ENABLE(64-bit-bfd,
-[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
-[case "${enableval}" in
- yes) want64=true ;;
- no) want64=false ;;
- *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
-esac],[want64=false])dnl
+
+BFD_64_BIT
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
no) ac_default_ld_z_separate_code=0 ;;
esac])
+
+# By default warn when an executable stack is created due to object files
+# requesting such, not when the user specifies -z execstack.
+ac_default_ld_warn_execstack=2
+AC_ARG_ENABLE(warn-execstack,
+ AS_HELP_STRING([--enable-warn-execstack],
+ [enable warnings when creating an executable stack]),
+[case "${enableval}" in
+ yes) ac_default_ld_warn_execstack=1 ;;
+ no) ac_default_ld_warn_execstack=0 ;;
+esac])
+
+ac_default_ld_warn_rwx_segments=unset
+AC_ARG_ENABLE(warn-rwx-segments,
+ AS_HELP_STRING([--enable-warn-rwx-segments],
+ [enable warnings when creating segements with RWX permissions]),
+[case "${enableval}" in
+ yes) ac_default_ld_warn_rwx_segments=1 ;;
+ no) ac_default_ld_warn_rwx_segments=0 ;;
+esac])
+
+ac_default_ld_default_execstack=unset
+AC_ARG_ENABLE(default-execstack,
+ AS_HELP_STRING([--enable-default-execstack],
+ [create an executable stack if an input file is missing a .note.GNU-stack section]),
+[case "${enableval}" in
+ yes) ac_default_ld_default_execstack=1 ;;
+ no) ac_default_ld_default_execstack=0 ;;
+esac])
+
+
# Decide if --error-handling-script should be supported.
ac_support_error_handling_script=unset
AC_ARG_ENABLE(error-handling-script,
*) ac_default_emit_gnu_hash=0 ;;
esac
+AC_ARG_ENABLE(initfini-array,
+[ --disable-initfini-array do not use .init_array/.fini_array sections],
+[case "${enableval}" in
+ yes|no) ;;
+ *) AC_MSG_ERROR([invalid --enable-initfini-array argument]) ;;
+ esac], [enable_initfini_array=yes])
+AC_SUBST(enable_initfini_array)
+if test $enable_initfini_array = yes; then
+ AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
+ [Define .init_array/.fini_array sections are available and working.])
+fi
+
GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
if test "${enable_libctf}" = yes; then
AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
AM_CONDITIONAL(ENABLE_LIBCTF, test "${enable_libctf}" = yes)
AC_SUBST(enable_libctf)
+# Used to validate --package-metadata= input. Disabled by default.
+AC_ARG_ENABLE([jansson],
+ [AS_HELP_STRING([--enable-jansson],
+ [enable jansson [default=no]])],
+ [enable_jansson=$enableval],
+ [enable_jansson="no"])
+
+if test "x$enable_jansson" != "xno"; then
+ PKG_PROG_PKG_CONFIG
+ AS_IF([test -n "$PKG_CONFIG"],
+ [
+ PKG_CHECK_MODULES(JANSSON, [jansson],
+ [
+ AC_DEFINE(HAVE_JANSSON, 1, [The jansson library is to be used])
+ AC_SUBST([JANSSON_CFLAGS])
+ AC_SUBST([JANSSON_LIBS])
+ ],
+ [
+ AC_MSG_ERROR([Cannot find jansson library])
+ ])
+ ],
+ [
+ AC_MSG_ERROR([Cannot find pkg-config])
+ ])
+fi
+
AM_BINUTILS_WARNINGS
AM_LC_MESSAGES
AC_SUBST(HDEFINES)
AC_SUBST(NATIVE_LIB_DIRS)
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
-AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
-ACX_HEADER_STRING
-AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
-AC_CHECK_FUNCS(open lseek close)
-AC_HEADER_DIRENT
+# We use headers from include/ that check various HAVE_*_H macros, thus
+# should ensure they are set by configure. This is true even when C99
+# guarantees they are available.
+# sha1.h and md4.h test HAVE_LIMITS_H, HAVE_SYS_TYPES_H and HAVE_STDINT_H
+# plugin-api.h tests HAVE_STDINT_H and HAVE_INTTYPES_H
+# Besides those, we need to check anything used in ld/ not in C99.
+AC_CHECK_HEADERS(fcntl.h elf-hints.h limits.h inttypes.h stdint.h \
+ sys/file.h sys/mman.h sys/param.h sys/stat.h sys/time.h \
+ sys/types.h unistd.h)
+AC_CHECK_FUNCS(close glob lseek mkstemp open realpath sbrk waitpid)
+
+BFD_BINARY_FOPEN
+
+AC_CHECK_DECLS([asprintf, environ, sbrk])
-dnl AC_CHECK_HEADERS(sys/mman.h)
AC_FUNC_MMAP
AC_SEARCH_LIBS([dlopen], [dl])
-AC_ARG_ENABLE(initfini-array,
-[ --disable-initfini-array do not use .init_array/.fini_array sections],
-[case "${enableval}" in
- yes|no) ;;
- *) AC_MSG_ERROR([invalid --enable-initfini-array argument]) ;;
- esac], [enable_initfini_array=yes])
-AC_SUBST(enable_initfini_array)
-if test $enable_initfini_array = yes; then
- AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
- [Define .init_array/.fini_array sections are available and working.])
-fi
-
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
-BFD_BINARY_FOPEN
-
-AC_CHECK_DECLS([asprintf, environ, free, getenv, sbrk, strstr])
-
# Link in zlib if we can. This allows us to read and write
# compressed CTF sections.
AM_ZLIB
all_libpath=
TDIRS=
-# If the host is 64-bit, then we enable 64-bit targets by default.
-# This is consistent with what ../bfd/configure.ac does.
-if test x${want64} = xfalse; then
- AC_CHECK_SIZEOF(void *)
- if test "x${ac_cv_sizeof_void_p}" = "x8"; then
- want64=true
- fi
-fi
-
elf_list_options=false
elf_shlib_list_options=false
elf_plt_unwind_list_options=false
EMUL=$targ_emul
fi
- if test x${want64} = xfalse; then
+ if test x${enable_64_bit_bfd} = xno; then
. ${srcdir}/../bfd/config.bfd
fi
- if test x${want64} = xtrue; then
+ if test x${enable_64_bit_bfd} = xyes; then
targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
fi
$ac_default_ld_z_separate_code,
[Define to 1 if you want to enable -z separate-code in ELF linker by default.])
+
+AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_EXECSTACK,
+ $ac_default_ld_warn_execstack,
+ [Define to 1 if you want to enable --warn-execstack in ELF linker by default.])
+
+if test "${ac_default_ld_warn_rwx_segments}" = unset; then
+ ac_default_ld_warn_rwx_segments=1 ;;
+fi
+AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_RWX_SEGMENTS,
+ $ac_default_ld_warn_rwx_segments,
+ [Define to 0 if you want to disable --warn-rwx-segments in ELF linker by default.])
+
+if test "${ac_default_ld_default_execstack}" = unset; then
+ ac_default_ld_default_execstack=1
+fi
+AC_DEFINE_UNQUOTED(DEFAULT_LD_EXECSTACK,
+ $ac_default_ld_default_execstack,
+ [Define to 0 if you want to disable the generation of an executable stack when a .note-GNU-stack section is missing.])
+
+
if test "${ac_support_error_handling_script}" = unset; then
ac_support_error_handling_script=1
fi
AM_SUBST_NOTMAKE(TDIRS)
if test x${all_targets} = xtrue; then
- if test x${want64} = xtrue; then
+ if test x${enable_64_bit_bfd} = xyes; then
EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)'
else