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Fix gdbsupport build

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I'm seeing this on F27 (a clean build from scratch):

~~~~~~~~~~~~~~~~~~~~~~~~~~~
 make[3]: Entering directory '/home/pedro/brno/pedro/gdb/binutils-gdb/build/gdbsupport'
   CC       gdb_tilde_expand.o
 In file included from /home/pedro/gdb/binutils-gdb/src/gdbsupport/../gnulib/import/libc-config.h:33:0,
                  from ../gnulib/import/glob.h:544,
                  from /home/pedro/gdb/binutils-gdb/src/gdbsupport/gdb_tilde_expand.c:22:
 ../bfd/config.h:7:4: error: #error config.h must be #included before system headers
  #  error config.h must be #included before system headers
     ^~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~

libc-config.h, where it includes config.h, says:

~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /* This is intended to be a good-enough substitute for glibc system
    macros like those defined in <sys/cdefs.h>, so that Gnulib code
    shared with glibc can do this as the first #include:

      #ifndef _LIBC
      # include <libc-config.h>
      #endif

    When compiled as part of glibc this is a no-op; when compiled as
    part of Gnulib this includes Gnulib's <config.h> and defines macros
    that glibc library code would normally assume.  */

 #include <config.h>
~~~~~~~~~~~~~~~~~~~~~~~~~~~

The issue is that that '#include <config.h>' picks up bfd's config.h
instead of gnulib's.

This problem doesn't trigger in the gdb dir because there we generate
config.h under that exact name so gnulib's libc-config.h ends up
picking gdb's config.h instead of gnulib.c and that ends up harmless.

In gdbsupport, the config.h file is really named support-config.h, so
that '#include <config.h>' in libc-config.h doesn't pick it like it
would if it had the conventional config.h name.

This patch fixes it by simply renaming gdbserver's support-config.h to
config.h.

gdbsupport/ChangeLog:
2020-01-17  Pedro Alves  <palves@redhat.com>

	* configure.ac: Generate config.h instead of support-config.h.
	* common-defs.h: Include <gdbsupport/config.h> instead of
	<gdbsupport/support-config.h>.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
This commit is contained in:
Pedro Alves
2020-01-17 15:14:56 +00:00
parent 42e04b3601
commit 3684d331fd
5 changed files with 62 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
gdbsupport/configure vendored
View File

@@ -2713,7 +2713,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
ac_config_headers="$ac_config_headers support-config.h:config.in"
ac_config_headers="$ac_config_headers config.h:config.in"
ac_aux_dir=
for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -9687,7 +9687,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
ac_compiler_gnu=$ac_cv_c_compiler_gnu
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
$as_echo_n "checking for sigsetjmp... " >&6; }
if ${gdb_cv_func_sigsetjmp+:} false; then :
$as_echo_n "(cached) " >&6
@@ -9695,7 +9695,7 @@ else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <setjmp.h>
#include <setjmp.h>
int
main ()
@@ -9714,11 +9714,11 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5
$as_echo "$gdb_cv_func_sigsetjmp" >&6; }
if test "$gdb_cv_func_sigsetjmp" = "yes"; then
if test "$gdb_cv_func_sigsetjmp" = "yes"; then
$as_echo "#define HAVE_SIGSETJMP 1" >>confdefs.h
fi
fi
# Check whether --with-intel_pt was given.
@@ -9728,23 +9728,23 @@ else
with_intel_pt=auto
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use intel pt" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use intel pt" >&5
$as_echo_n "checking whether to use intel pt... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_intel_pt" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_intel_pt" >&5
$as_echo "$with_intel_pt" >&6; }
if test "${with_intel_pt}" = no; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Intel Processor Trace support disabled; some features may be unavailable." >&5
if test "${with_intel_pt}" = no; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Intel Processor Trace support disabled; some features may be unavailable." >&5
$as_echo "$as_me: WARNING: Intel Processor Trace support disabled; some features may be unavailable." >&2;}
HAVE_LIBIPT=no
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
HAVE_LIBIPT=no
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <linux/perf_event.h>
#ifndef PERF_ATTR_SIZE_VER5
# error
#endif
#include <linux/perf_event.h>
#ifndef PERF_ATTR_SIZE_VER5
# error
#endif
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
@@ -9753,14 +9753,14 @@ else
perf_event=no
fi
rm -f conftest.err conftest.i conftest.$ac_ext
if test "$perf_event" != yes; then
if test "$with_intel_pt" = yes; then
as_fn_error $? "linux/perf_event.h missing or too old" "$LINENO" 5
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: linux/perf_event.h missing or too old; some features may be unavailable." >&5
if test "$perf_event" != yes; then
if test "$with_intel_pt" = yes; then
as_fn_error $? "linux/perf_event.h missing or too old" "$LINENO" 5
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: linux/perf_event.h missing or too old; some features may be unavailable." >&5
$as_echo "$as_me: WARNING: linux/perf_event.h missing or too old; some features may be unavailable." >&2;}
fi
fi
fi
@@ -10224,17 +10224,17 @@ $as_echo "$LIBIPT" >&6; }
if test "$HAVE_LIBIPT" != yes; then
if test "$with_intel_pt" = yes; then
as_fn_error $? "libipt is missing or unusable" "$LINENO" 5
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libipt is missing or unusable; some features may be unavailable." >&5
if test "$HAVE_LIBIPT" != yes; then
if test "$with_intel_pt" = yes; then
as_fn_error $? "libipt is missing or unusable" "$LINENO" 5
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libipt is missing or unusable; some features may be unavailable." >&5
$as_echo "$as_me: WARNING: libipt is missing or unusable; some features may be unavailable." >&2;}
fi
else
save_LIBS=$LIBS
LIBS="$LIBS $LIBIPT"
for ac_func in pt_insn_event
fi
else
save_LIBS=$LIBS
LIBS="$LIBS $LIBIPT"
for ac_func in pt_insn_event
do :
ac_fn_c_check_func "$LINENO" "pt_insn_event" "ac_cv_func_pt_insn_event"
if test "x$ac_cv_func_pt_insn_event" = xyes; then :
@@ -10245,7 +10245,7 @@ _ACEOF
fi
done
ac_fn_c_check_member "$LINENO" "struct pt_insn" "enabled" "ac_cv_member_struct_pt_insn_enabled" "#include <intel-pt.h>
ac_fn_c_check_member "$LINENO" "struct pt_insn" "enabled" "ac_cv_member_struct_pt_insn_enabled" "#include <intel-pt.h>
"
if test "x$ac_cv_member_struct_pt_insn_enabled" = xyes; then :
@@ -10266,12 +10266,12 @@ _ACEOF
fi
LIBS=$save_LIBS
LIBS=$save_LIBS
fi
fi
fi
if test "$ac_cv_header_sys_procfs_h" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gregset_t in sys/procfs.h" >&5
if test "$ac_cv_header_sys_procfs_h" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gregset_t in sys/procfs.h" >&5
$as_echo_n "checking for gregset_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_gregset_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10308,7 +10308,7 @@ $as_echo "#define HAVE_GREGSET_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_gregset_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_gregset_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fpregset_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fpregset_t in sys/procfs.h" >&5
$as_echo_n "checking for fpregset_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_fpregset_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10345,7 +10345,7 @@ $as_echo "#define HAVE_FPREGSET_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_fpregset_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_fpregset_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prgregset_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prgregset_t in sys/procfs.h" >&5
$as_echo_n "checking for prgregset_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_prgregset_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10382,7 +10382,7 @@ $as_echo "#define HAVE_PRGREGSET_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_prgregset_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_prgregset_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prfpregset_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prfpregset_t in sys/procfs.h" >&5
$as_echo_n "checking for prfpregset_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_prfpregset_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10419,7 +10419,7 @@ $as_echo "#define HAVE_PRFPREGSET_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_prfpregset_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_prfpregset_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prgregset32_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for prgregset32_t in sys/procfs.h" >&5
$as_echo_n "checking for prgregset32_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_prgregset32_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10456,7 +10456,7 @@ $as_echo "#define HAVE_PRGREGSET32_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_prgregset32_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_prgregset32_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for lwpid_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for lwpid_t in sys/procfs.h" >&5
$as_echo_n "checking for lwpid_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_lwpid_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10493,7 +10493,7 @@ $as_echo "#define HAVE_LWPID_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_lwpid_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_lwpid_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for psaddr_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for psaddr_t in sys/procfs.h" >&5
$as_echo_n "checking for psaddr_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_psaddr_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10530,7 +10530,7 @@ $as_echo "#define HAVE_PSADDR_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_psaddr_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_psaddr_t" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for elf_fpregset_t in sys/procfs.h" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for elf_fpregset_t in sys/procfs.h" >&5
$as_echo_n "checking for elf_fpregset_t in sys/procfs.h... " >&6; }
if ${bfd_cv_have_sys_procfs_type_elf_fpregset_t+:} false; then :
$as_echo_n "(cached) " >&6
@@ -10567,7 +10567,7 @@ $as_echo "#define HAVE_ELF_FPREGSET_T 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_elf_fpregset_t" >&5
$as_echo "$bfd_cv_have_sys_procfs_type_elf_fpregset_t" >&6; }
fi
fi
# Check whether we will enable the inclusion of unit tests when
@@ -11563,7 +11563,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
for ac_config_target in $ac_config_targets
do
case $ac_config_target in
"support-config.h") CONFIG_HEADERS="$CONFIG_HEADERS support-config.h:config.in" ;;
"config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h:config.in" ;;
"depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;