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[3.7] bpo-30345: Add -g to LDFLAGS for LTO (GH-7709) #7824

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Merged
vstinner merged 1 commit into from
Jun 22, 2018
Merged

[3.7] bpo-30345: Add -g to LDFLAGS for LTO (GH-7709) #7824

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bpo-30345: Add -g to LDFLAGS for LTO (GH-7709) 
Add -g to LDFLAGS when compiling with LTO to get debug symbols.
(cherry picked from commit 06fe77a)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
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@vstinner @miss-islington
vstinner authored and miss-islington committed Jun 20, 2018
commit cf1c3877e9135c1c2032e3384362fa96e7f26bd9
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Build/2018-06-15-18-18-16.bpo-30345.j-xRE1.rst
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@@ -0,0 +1 @@
Add -g to LDFLAGS when compiling with LTO to get debug symbols.
8 changes: 8 additions & 0 deletions configure
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Expand Up @@ -6482,6 +6482,14 @@ 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

CFLAGS="$CFLAGS $LTOFLAGS"
LDFLAGS="$LDFLAGS $LTOFLAGS"
fi
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8 changes: 8 additions & 0 deletions configure.ac
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Expand Up @@ -1339,6 +1339,14 @@ if test "$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

CFLAGS="$CFLAGS $LTOFLAGS"
LDFLAGS="$LDFLAGS $LTOFLAGS"
fi
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