Add support for debuginfod to the binutils (disable by default, enabled via a configu...

[deliverable/binutils-gdb.git] / config / debuginfod.m4

diff --git a/config/debuginfod.m4 b/config/debuginfod.m4
new file mode 100644 (file)
index 0000000..9979abe
--- /dev/null
+++ b/config/debuginfod.m4
@@ -0,0 +1,38 @@
+dnl Copyright (C) 1997-2019 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([AC_DEBUGINFOD],
+[
+# Enable debuginfod
+AC_ARG_WITH([debuginfod],
+        AC_HELP_STRING([--with-debuginfod],
+                       [Enable debuginfo lookups with debuginfod (auto/yes/no)]),
+        [], [with_debuginfod=auto])
+AC_MSG_CHECKING([whether to use debuginfod])
+AC_MSG_RESULT([$with_debuginfod])
+
+if test "${with_debuginfod}" = no; then
+  AC_MSG_WARN([debuginfod support disabled; some features may be unavailable.])
+else
+  AC_CHECK_LIB([debuginfod], [debuginfod_begin], [have_debuginfod_lib=yes])
+  AC_CHECK_DECL([debuginfod_begin], [have_debuginfod_h=yes], [],
+                [#include <elfutils/debuginfod.h>])
+  if test "x$have_debuginfod_lib" = "xyes" -a \
+          "x$have_debuginfod_h" = "xyes"; then
+    AC_DEFINE([HAVE_LIBDEBUGINFOD], [1],
+              [Define to 1 if debuginfod is enabled.])
+    AC_SUBST([LIBDEBUGINFOD], ["-ldebuginfod"])
+  else
+    AC_SUBST([LIBDEBUGINFOD], [])
+    if test "$with_debuginfod" = yes; then
+      AC_MSG_ERROR([debuginfod is missing or unusable])
+    else
+      AC_MSG_WARN([debuginfod is missing or unusable; some features may be unavailable.])
+    fi
+  fi
+fi
+])