bpo-30345: Add -g to LDFLAGS for LTO (GH-7709)
Add -g to LDFLAGS when compiling with LTO to get debug symbols.
diff --git a/Misc/NEWS.d/next/Build/2018-06-15-18-18-16.bpo-30345.j-xRE1.rst b/Misc/NEWS.d/next/Build/2018-06-15-18-18-16.bpo-30345.j-xRE1.rst
new file mode 100644
index 0000000..f8db09b
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2018-06-15-18-18-16.bpo-30345.j-xRE1.rst
@@ -0,0 +1 @@
+Add -g to LDFLAGS when compiling with LTO to get debug symbols.
diff --git a/configure b/configure
index 5187c6f..d427703 100755
--- a/configure
+++ b/configure
@@ -6427,6 +6427,14 @@
esac
;;
esac
+
+ if test "$ac_cv_prog_cc_g" = "yes"
+ then
+ # bpo-30345: Add -g to LDFLAGS when compiling with LTO
+ # to get debug symbols.
+ LTOFLAGS="$LTOFLAGS -g"
+ fi
+
CFLAGS="$CFLAGS $LTOFLAGS"
LDFLAGS="$LDFLAGS $LTOFLAGS"
fi
diff --git a/configure.ac b/configure.ac
index b13728e..b98ceb2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1302,6 +1302,14 @@
esac
;;
esac
+
+ if test "$ac_cv_prog_cc_g" = "yes"
+ then
+ # bpo-30345: Add -g to LDFLAGS when compiling with LTO
+ # to get debug symbols.
+ LTOFLAGS="$LTOFLAGS -g"
+ fi
+
CFLAGS="$CFLAGS $LTOFLAGS"
LDFLAGS="$LDFLAGS $LTOFLAGS"
fi