Fix regression caused by recently added syscall restart code

[external/binutils.git] / gdb / configure.ac

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 0025b1d..1527585 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -1,5 +1,5 @@
 dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright (C) 1995-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 1995-2019 Free Software Foundation, Inc.
 dnl
 dnl This file is part of GDB.
 dnl
@@ -1226,6 +1226,48 @@ AC_SUBST(GUILE_CPPFLAGS)
 AC_SUBST(GUILE_LIBS)
 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
 
+# ---------------------------- #
+# Check for source highlight.  #
+# ---------------------------- #
+
+SRCHIGH_LIBS=
+SRCHIGH_CFLAGS=
+
+AC_ARG_ENABLE(source-highlight,
+  AS_HELP_STRING([--enable-source-highlight],
+    [enable source-highlight for source listings]),
+  [case "${enableval}" in
+  yes)  enable_source_highlight=yes ;;
+  no)   enable_source_highlight=no  ;;
+  *)    AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
+esac],
+[enable_source_highlight=auto])
+
+if test "${enable_source_highlight}" != "no"; then
+  AC_MSG_CHECKING([for the source-highlight library])
+  if test "${pkg_config_prog_path}" = "missing"; then
+    AC_MSG_RESULT([no - pkg-config not found])
+    if test "${enable_source_highlight}" = "yes"; then
+      AC_MSG_ERROR([pkg-config was not found in your system])
+    fi
+  else
+    if ${pkg_config_prog_path} --exists source-highlight; then
+      SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
+      SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
+      AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
+                [Define to 1 if the source-highlight library is available])
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+      if test "${enable_source_highlight}" = "yes"; then
+        AC_MSG_ERROR([source-highlight was not found in your system])
+      fi
+    fi
+  fi
+fi
+AC_SUBST(SRCHIGH_LIBS)
+AC_SUBST(SRCHIGH_CFLAGS)
+
 # --------------------- #
 # Check for libmcheck.  #
 # --------------------- #