From: Victor Stinner <vstinner@redhat.com>
Date: Fri, 22 Jun 2018 07:10:42 +0000 (+0200)
Subject: bpo-30345: Add -g to LDFLAGS for LTO (GH-7709) (GH-7826)
X-Git-Tag: v3.6.7rc1~255
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=78392885c9b08021c89649728053d31503d8a509;p=thirdparty%2FPython%2Fcpython.git

bpo-30345: Add -g to LDFLAGS for LTO (GH-7709) (GH-7826)

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 000000000000..f8db09bdbc66
--- /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 986ab871bd53..8c2a0ca54666 100755
--- a/configure
+++ b/configure
@@ -6618,6 +6618,13 @@ if test "$Py_LTO" = 'true' ; then
       esac
       ;;
   esac
+
+  if test "$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
 fi
 
 # Enable PGO flags.
diff --git a/configure.ac b/configure.ac
index 338be3b9a6bd..f2cd11730b69 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1347,6 +1347,13 @@ if test "$Py_LTO" = 'true' ; then
       esac
       ;;
   esac
+
+  if test "$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
 fi
 
 # Enable PGO flags.