From: Vyacheslav Petrishchev <vyachemail@gmail.com>
Date: Wed, 26 Feb 2020 06:32:03 +0000 (+0600)
Subject: gdbsupport/configure.ac: source development.sh
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3d1e5a43cbe;p=binutils-gdb.git

gdbsupport/configure.ac: source development.sh

[Commit message by Simon Marchi]

The GDB build in non-development mode (turn development to false in
bfd/development.sh if you want to try) is currently broken:

      CXXLD  gdb
    /home/smarchi/src/binutils-gdb/gdb/disasm-selftests.c:218: error: undefined reference to 'selftests::register_test_foreach_arch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void (*)(gdbarch*))'
    /home/smarchi/src/binutils-gdb/gdb/disasm-selftests.c:220: error: undefined reference to 'selftests::register_test_foreach_arch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void (*)(gdbarch*))'
    /home/smarchi/src/binutils-gdb/gdb/dwarf2/frame.c:2310: error: undefined reference to 'selftests::register_test_foreach_arch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void (*)(gdbarch*))'
    /home/smarchi/src/binutils-gdb/gdb/gdbarch-selftests.c:168: error: undefined reference to 'selftests::register_test_foreach_arch(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void (*)(gdbarch*))'
    /home/smarchi/src/binutils-gdb/gdbsupport/selftest.cc:96: error: undefined reference to 'selftests::reset()'

This is because the gdbsupport configure script doesn't source
bfd/development.sh to set the development variable.  When $development
is unset, GDB_AC_SELFTEST defaults to enabling selftests.  I don't think
the macro was written with this intention in mind, it just happens to be
that way.

So gdbsupport thinks selftests are enabled, while gdb thinks they are
disabled.  gdbsupport compiles in code that calls selftests:: functions,
which are normally provided by gdb, but gdb doesn't provide them, hence
the undefined references.

Fix this by sourcing bfd/development.sh in gdbsupport/configure.ac, so
that the development variable is set.

gdbsupport/ChangeLog:

        * configure.ac: Added call development.sh.
        * configure: Regenerate.
---

diff --git a/gdbsupport/ChangeLog b/gdbsupport/ChangeLog
index c47bb4ebbba..6bfd6768727 100644
--- a/gdbsupport/ChangeLog
+++ b/gdbsupport/ChangeLog
@@ -1,3 +1,8 @@
+2020-03-05  Vyacheslav Petrishchev  <vyachemail@gmail.com>
+
+	* configure.ac: Added call development.sh.
+	* configure: Regenerate.
+
 2020-03-05  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>
 
 	* .gitattributes: New file.
diff --git a/gdbsupport/configure b/gdbsupport/configure
index a4871f8d5bc..e7a99e3ddfb 100755
--- a/gdbsupport/configure
+++ b/gdbsupport/configure
@@ -6569,6 +6569,9 @@ fi
 am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
 
 
+# Set the 'development' global.
+. $srcdir/../bfd/development.sh
+
 # We require a C++11 compiler.  Check if one is available, and if
 # necessary, set CXX_DIALECT to some -std=xxx switch.
 
diff --git a/gdbsupport/configure.ac b/gdbsupport/configure.ac
index 401e16f821d..ab71a3cb366 100644
--- a/gdbsupport/configure.ac
+++ b/gdbsupport/configure.ac
@@ -33,6 +33,9 @@ AC_USE_SYSTEM_EXTENSIONS
 ACX_LARGEFILE
 AM_PROG_CC_STDC
 
+# Set the 'development' global.
+. $srcdir/../bfd/development.sh
+
 # We require a C++11 compiler.  Check if one is available, and if
 # necessary, set CXX_DIALECT to some -std=xxx switch.
 AX_CXX_COMPILE_STDCXX(11, , mandatory)