[PATCH] configure: Use -Winit-self if possible.
Zebediah Figura
z.figura12 at gmail.com
Thu Mar 11 10:08:06 CST 2021
This protects against variable initialization like "int x = x". gcc apparently
treats this as an intentional way to suppress uninitialized or unused variable
warnings, but in my case it has caused at least one confusing bug.
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
configure.ac | 2 ++
1 file changed, 2 insertions(+)
diff --git a/configure.ac b/configure.ac
index b282cc76657..534c7c2d965 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1045,6 +1045,7 @@ then
WINE_TRY_CROSSCFLAGS([-Wdeclaration-after-statement])
WINE_TRY_CROSSCFLAGS([-Wempty-body])
WINE_TRY_CROSSCFLAGS([-Wignored-qualifiers])
+ WINE_TRY_CROSSCFLAGS([-Winit-self])
WINE_TRY_CROSSCFLAGS([-Wpacked-not-aligned],[EXTRACROSSCFLAGS="$EXTRACROSSCFLAGS -Wno-packed-not-aligned"])
WINE_TRY_CROSSCFLAGS([-Wpragma-pack],[EXTRACROSSCFLAGS="$EXTRACROSSCFLAGS -Wno-pragma-pack"])
WINE_TRY_CROSSCFLAGS([-Wshift-overflow=2])
@@ -2025,6 +2026,7 @@ then
WINE_TRY_CFLAGS([-Wdeclaration-after-statement])
WINE_TRY_CFLAGS([-Wempty-body])
WINE_TRY_CFLAGS([-Wignored-qualifiers])
+ WINE_TRY_CFLAGS([-Winit-self])
WINE_TRY_CFLAGS([-Wpacked-not-aligned],[EXTRACFLAGS="$EXTRACFLAGS -Wno-packed-not-aligned"])
WINE_TRY_CFLAGS([-Wpragma-pack],[EXTRACFLAGS="$EXTRACFLAGS -Wno-pragma-pack"])
WINE_TRY_CFLAGS([-Wshift-overflow=2])
--
2.20.1
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