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gdb: fix vfork with multiple threads
[deliverable/binutils-gdb.git] / bfd / configure.ac
diff --git a/bfd/configure.ac b/bfd/configure.ac
index 755633bdd9c40ab033e63010546ca90ad159df6d..07a75ed162639427d8a9243dd6ce509bdfbec90c 100644 (file)
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl   Copyright (C) 2012-2020 Free Software Foundation, Inc.
+dnl   Copyright (C) 2012-2021 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
@@ -22,7 +22,6 @@ AC_INIT([bfd], BFD_VERSION)
 AC_CONFIG_SRCDIR([libbfd.c])
 
 AC_CANONICAL_TARGET
-AC_ISC_POSIX
 
 AM_INIT_AUTOMAKE
 
@@ -44,8 +43,45 @@ LT_INIT([dlopen])
 # AC_PLUGINS setting $plugins is called by ACX_LARGEFILE.
 ACX_LARGEFILE
 
+changequote(,)dnl
+case "${target}" in
+    hppa*64*-*-* | vax-*-netbsdelf*) ;;
+    *-*-*aout* | i[3-7]86-*-bsd* | i[3-7]86-*-msdos* | ns32k-*-* | \
+    pdp11-*-* | vax-*-*bsd*)
+changequote([,])dnl
+       if test "$plugins" = "yes"; then
+           if test "${enable_plugins+set}" = set; then
+               AC_MSG_WARN(Enabling plugins for AOUT is experimental)
+           else
+               plugins=no
+           fi
+       fi ;;
+    hppa*-*-hpux* | *-*-*vms* | \
+    powerpc*-*-aix* | powerpc-*-beos* | powerpc-*-macos* | rs6000-*-*)
+       if test "$plugins" = "yes"; then
+           if test "${enable_plugins+set}" = set; then
+               AC_MSG_WARN(Enabling plugins may result in ar creating non-standard archives for ${target})
+           else
+               plugins=no
+           fi
+       fi ;;
+esac
+
 AM_CONDITIONAL(PLUGINS, test "$plugins" = "yes")
 
+ac_checking=
+. ${srcdir}/development.sh
+test "$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_ENABLE(64-bit-bfd,
 [  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
 [case "${enableval}" in
@@ -134,7 +170,7 @@ AC_ARG_WITH(separate-debug-dir,
 AC_SUBST(DEBUGDIR)
 
 ACX_PKGVERSION([GNU Binutils])
-ACX_BUGURL([http://www.sourceware.org/bugzilla/])
+ACX_BUGURL([https://www.sourceware.org/bugzilla/])
 
 AM_BINUTILS_WARNINGS
 
@@ -181,8 +217,7 @@ BFD_HOST_64_BIT=
 BFD_HOST_U_64_BIT=
 BFD_HOSTPTR_T="unsigned long"
 
-AC_TYPE_LONG_DOUBLE
-AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
+AC_CHECK_SIZEOF(long long)
 AC_CHECK_SIZEOF(void *)
 AC_CHECK_SIZEOF(long)
 AC_CHECK_SIZEOF(int)
@@ -219,37 +254,16 @@ AC_SUBST(BFD_HOSTPTR_T)
 
 BFD_CC_FOR_BUILD
 
-AC_CHECK_HEADERS(alloca.h stddef.h string.h strings.h stdlib.h time.h unistd.h wchar.h wctype.h)
-AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h sys/resource.h)
-GCC_HEADER_STDINT(bfd_stdint.h)
-AC_HEADER_TIME
-AC_HEADER_DIRENT
+AC_CHECK_HEADERS(fcntl.h sys/file.h sys/resource.h sys/stat.h sys/types.h \
+                unistd.h)
 
-ACX_HEADER_STRING
-AC_CHECK_FUNCS(fcntl getpagesize setitimer sysconf fdopen getuid getgid fileno fls)
-AC_CHECK_FUNCS(strtoull getrlimit)
+AC_CHECK_FUNCS(fcntl fdopen fileno fls getgid getpagesize getrlimit getuid \
+              sysconf)
 
-AC_CHECK_DECLS(basename)
-AC_CHECK_DECLS(ftello)
-AC_CHECK_DECLS(ftello64)
-AC_CHECK_DECLS(fseeko)
-AC_CHECK_DECLS(fseeko64)
+AC_CHECK_DECLS([basename, ffs, stpcpy, asprintf, vasprintf])
 
 BFD_BINARY_FOPEN
 
-AC_CHECK_DECLS(ffs)
-AC_CHECK_DECLS(free)
-AC_CHECK_DECLS(getenv)
-AC_CHECK_DECLS(malloc)
-AC_CHECK_DECLS(realloc)
-AC_CHECK_DECLS(stpcpy)
-AC_CHECK_DECLS(strstr)
-AC_CHECK_DECLS(asprintf)
-AC_CHECK_DECLS(vasprintf)
-AC_CHECK_DECLS(snprintf)
-AC_CHECK_DECLS(vsnprintf)
-AC_CHECK_DECLS(strnlen)
-
 # Link in zlib if we can.  This allows us to read compressed debug sections.
 # This is used only by compress.c.
 AM_ZLIB
@@ -292,17 +306,16 @@ changequote([,])dnl
   if test -n "$x"; then
     SHARED_LIBADD="-L`pwd`/../libiberty/pic -liberty"
   fi
+fi
+
+SHARED_LIBADD="$SHARED_LIBADD $LIBINTL"
 
+if test "$enable_shared" = "yes"; then
   case "${host}" in
   # More hacks to build DLLs on Windows.
   *-*-cygwin*)
     SHARED_LDFLAGS="-no-undefined"
-    SHARED_LIBADD="-L`pwd`/../libiberty -liberty -L`pwd`/../intl -lintl -lcygwin -lkernel32"
-  ;;
-
-  # Use built-in libintl on macOS, since it is not provided by libc.
-  *-*-darwin*)
-    SHARED_LIBADD="-L`pwd`/../libiberty/pic -L`pwd`/../intl -liberty -lintl"
+    SHARED_LIBADD="-L`pwd`/../libiberty -liberty $SHARED_LIBADD -lcygwin -lkernel32"
   ;;
   esac
 
@@ -409,7 +422,7 @@ coff="cofflink.lo $coffgen"
 ecoff="ecofflink.lo $coffgen"
 xcoff="xcofflink.lo $coffgen"
 
-elfxx_x86="elfxx-x86.lo elf-ifunc.lo elf-nacl.lo elf-vxworks.lo"
+elfxx_x86="elfxx-x86.lo elf-ifunc.lo elf-vxworks.lo"
 for vec in $selvecs
 do
     target_size=32
@@ -441,8 +454,6 @@ do
     arm_elf32_fdpic_le_vec)     tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
     arm_elf32_nacl_be_vec)      tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
     arm_elf32_nacl_le_vec)      tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
-    arm_elf32_symbian_be_vec)   tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
-    arm_elf32_symbian_le_vec)   tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
     arm_elf32_vxworks_be_vec)   tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
     arm_elf32_vxworks_le_vec)   tb="$tb elf32-arm.lo elf32.lo elf-nacl.lo elf-vxworks.lo $elf" ;;
     arm_pe_be_vec)              tb="$tb pe-arm.lo peigen.lo $coff" ;;
@@ -494,7 +505,6 @@ do
     i386_coff_lynx_vec)                 tb="$tb cf-i386lynx.lo lynx-core.lo $coff" ;;
     i386_elf32_vec)             tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
     i386_elf32_fbsd_vec)        tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
-    i386_elf32_nacl_vec)        tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
     i386_elf32_sol2_vec)        tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
     i386_elf32_vxworks_vec)     tb="$tb elf32-i386.lo $elfxx_x86 elf32.lo $elf" ;;
     i386_mach_o_vec)            tb="$tb mach-o-i386.lo" ;;
@@ -512,10 +522,10 @@ do
     ia64_pei_vec)               tb="$tb pei-ia64.lo pepigen.lo $coff"; target_size=64 ;;
     ip2k_elf32_vec)             tb="$tb elf32-ip2k.lo elf32.lo $elf" ;;
     iq2000_elf32_vec)           tb="$tb elf32-iq2000.lo elf32.lo $elf" ;;
-    k1om_elf64_vec)             tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf-nacl.lo elf64.lo $elf"; target_size=64 ;;
-    k1om_elf64_fbsd_vec)        tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf-nacl.lo elf64.lo $elf"; target_size=64 ;;
-    l1om_elf64_vec)             tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf-nacl.lo elf64.lo $elf"; target_size=64 ;;
-    l1om_elf64_fbsd_vec)        tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf-nacl.lo elf64.lo $elf"; target_size=64 ;;
+    k1om_elf64_vec)             tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
+    k1om_elf64_fbsd_vec)        tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
+    l1om_elf64_vec)             tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
+    l1om_elf64_fbsd_vec)        tb="$tb elf64-x86-64.lo elfxx-x86.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
     lm32_elf32_vec)             tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
     lm32_elf32_fdpic_vec)       tb="$tb elf32-lm32.lo elf32.lo $elf" ;;
     m32c_elf32_vec)             tb="$tb elf32-m32c.lo elf32.lo $elf" ;;
@@ -596,14 +606,13 @@ do
     powerpc_elf64_vec)          tb="$tb elf64-ppc.lo elf64-gen.lo elf64.lo $elf"; target_size=64 ;;
     powerpc_elf64_le_vec)       tb="$tb elf64-ppc.lo elf64-gen.lo elf64.lo $elf" target_size=64 ;;
     powerpc_elf64_fbsd_vec)     tb="$tb elf64-ppc.lo elf64-gen.lo elf64.lo $elf" target_size=64 ;;
-    powerpc_pe_vec)             tb="$tb pe-ppc.lo peigen.lo $coff" ;;
-    powerpc_pe_le_vec)          tb="$tb pe-ppc.lo peigen.lo $coff" ;;
-    powerpc_pei_vec)            tb="$tb pei-ppc.lo peigen.lo $coff" ;;
-    powerpc_pei_le_vec)                 tb="$tb pei-ppc.lo peigen.lo $coff" ;;
+    powerpc_elf64_fbsd_le_vec)  tb="$tb elf64-ppc.lo elf64-gen.lo elf64.lo $elf" target_size=64 ;;
     powerpc_xcoff_vec)          tb="$tb coff-rs6000.lo $xcoff" ;;
     pru_elf32_vec)              tb="$tb elf32-pru.lo elf32.lo $elf" ;;
-    riscv_elf32_vec)            tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;;
-    riscv_elf64_vec)            tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;;
+    riscv_elf32_vec)            tb="$tb elf32-riscv.lo elfxx-riscv.lo elf-ifunc.lo elf32.lo $elf" ;;
+    riscv_elf64_vec)            tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf-ifunc.lo elf32.lo $elf"; target_size=64 ;;
+    riscv_elf32_be_vec)                 tb="$tb elf32-riscv.lo elfxx-riscv.lo elf-ifunc.lo elf32.lo $elf" ;;
+    riscv_elf64_be_vec)                 tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf-ifunc.lo elf32.lo $elf"; target_size=64 ;;
     rl78_elf32_vec)             tb="$tb elf32-rl78.lo elf32.lo $elf" ;;
     rs6000_xcoff64_vec)                 tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
     rs6000_xcoff64_aix_vec)     tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
@@ -675,11 +684,9 @@ do
     wasm32_elf32_vec)            tb="$tb elf32-wasm32.lo elf32.lo $elf" ;;
     x86_64_coff_vec)            tb="$tb coff-x86_64.lo $coff"; target_size=64 ;;
     x86_64_elf32_vec)           tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo elf32.lo $elf"; target_size=64 ;;
-    x86_64_elf32_nacl_vec)      tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo elf32.lo $elf"; target_size=64 ;;
     x86_64_elf64_vec)           tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
     x86_64_elf64_cloudabi_vec)  tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
     x86_64_elf64_fbsd_vec)      tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
-    x86_64_elf64_nacl_vec)      tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
     x86_64_elf64_sol2_vec)      tb="$tb elf64-x86-64.lo $elfxx_x86 elf64.lo $elf"; target_size=64 ;;
     x86_64_mach_o_vec)          tb="$tb mach-o-x86-64.lo" ;;
     x86_64_pe_vec)              tb="$tb pe-x86_64.lo pex64igen.lo $coff"; target_size=64 ;;
@@ -1022,7 +1029,7 @@ changequote([,])dnl
 
   # ELF corefile support has several flavors, but all of
   # them use something called <sys/procfs.h>
-  AC_CHECK_HEADERS(sys/procfs.h)
+  BFD_SYS_PROCFS_H
   if test "$ac_cv_header_sys_procfs_h" = yes; then
     BFD_HAVE_SYS_PROCFS_TYPE(prstatus_t)
     BFD_HAVE_SYS_PROCFS_TYPE(prstatus32_t)
@@ -1072,6 +1079,7 @@ AC_SUBST(lt_cv_dlopen_libs)
 # Hopefully a reasonable assumption since fseeko et.al. should be
 # upward compatible.
 AC_CHECK_FUNCS(ftello ftello64 fseeko fseeko64 fopen64)
+AC_CHECK_DECLS([ftello, ftello64, fseeko, fseeko64, fopen64])
 if test x"$ac_cv_func_ftello" = xyes -a x"$ac_cv_func_fseeko" = xyes; then
     AC_CHECK_SIZEOF(off_t)
 fi
@@ -1087,7 +1095,6 @@ AC_MSG_RESULT($bfd_file_ptr)
 AC_SUBST(bfd_file_ptr)
 AC_SUBST(bfd_ufile_ptr)
 
-dnl AC_CHECK_HEADERS(sys/mman.h)
 AC_FUNC_MMAP
 AC_CHECK_FUNCS(madvise mprotect)
 case ${want_mmap}+${ac_cv_func_mmap_fixed_mapped} in
@@ -1126,3 +1133,5 @@ AC_SUBST(htmldir)
 AC_SUBST(pdfdir)
 
 AC_OUTPUT
+
+GNU_MAKE_JOBSERVER
GDB Binutils - Deliverables
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