[dpdk-dev] [PATCH] scripts: fix symbol overriding in configuration files
David Marchand
david.marchand at 6wind.com
Thu Nov 27 12:29:05 CET 2014
When redefining the same symbol in configuration (basically after an inclusion),
we need to undefine the previous symbol to avoid "redefined" errors.
Signed-off-by: David Marchand <david.marchand at 6wind.com>
---
scripts/gen-config-h.sh | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/scripts/gen-config-h.sh b/scripts/gen-config-h.sh
index efd7667..2fac08c 100755
--- a/scripts/gen-config-h.sh
+++ b/scripts/gen-config-h.sh
@@ -33,11 +33,11 @@
echo "#ifndef __RTE_CONFIG_H"
echo "#define __RTE_CONFIG_H"
-grep CONFIG_ $1 \
-| grep -v '^[ \t]*#' \
-| sed 's,CONFIG_\(.*\)=y.*$,#define \1 1,' \
-| sed 's,CONFIG_\(.*\)=n.*$,#undef \1,' \
-| sed 's,CONFIG_\(.*\)=\(.*\)$,#define \1 \2,' \
-| sed 's,\# CONFIG_\(.*\) is not set$,#undef \1,'
+grep CONFIG_ $1 |
+grep -v '^[ \t]*#' |
+sed 's,CONFIG_\(.*\)=y.*$,#undef \1\n#define \1 1,' |
+sed 's,CONFIG_\(.*\)=n.*$,#undef \1,' |
+sed 's,CONFIG_\(.*\)=\(.*\)$,#undef \1\n#define \1 \2,' |
+sed 's,\# CONFIG_\(.*\) is not set$,#undef \1,'
echo "#endif /* __RTE_CONFIG_H */"
--
1.7.10.4
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