[med-svn] [praat] 06/08: Add hardening flags to the compiler commands

[Rafael Laboissière]

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rlaboiss-guest pushed a commit to branch master
in repository praat.

commit 331b1f186d768c35c24f88388d850222a1ff7053
Author: Rafael Laboissiere <rafael at laboissiere.net>
Date:   Thu Aug 7 03:59:54 2014 -0300

    Add hardening flags to the compiler commands
    
    This is done through a Makefile fragment file
    (debian/mk-vars-hardening) which is appended to the makefile.defs
    files for changing the CFLAGS and CXXFLAGS appropriately.
---
 debian/mk-vars-hardening | 2 ++
 debian/rules             | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/debian/mk-vars-hardening b/debian/mk-vars-hardening
new file mode 100644
index 0000000..f820ec2
--- /dev/null
+++ b/debian/mk-vars-hardening
@@ -0,0 +1,2 @@
+CFLAGS += $(shell dpkg-buildflags  --get CFLAGS) $(shell dpkg-buildflags --get CPPFLAGS)
+CXXFLAGS = $(CFLAGS) -Wshadow $(shell dpkg-buildflags --get CXXFLAGS)
diff --git a/debian/rules b/debian/rules
index 3063f7c..04b5507 100755
--- a/debian/rules
+++ b/debian/rules
@@ -45,6 +45,8 @@ override_dh_auto_configure:
 	# warnings and useless dependencies
 	sed 's/^LIBS = /& -Wl,--as-needed /'	\
 		makefiles/makefile.defs.linux.alsa > makefile.defs
+	# Add hardening flags
+	cat debian/mk-vars-hardening >> makefile.defs
 
 %.1: $(DEBDIR)/%.dbk $(DEBDIR)/manpage.xsl
 	# Generate the man page from the DocBook source

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