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configure.ac: fix maybe-uninitialized for clang 

Clang and gcc have different names for this, but the check fails without
-Werror since clang only warns about unknown args.

The previous check led to a lot of "unknown arg" spam while compiling
with clang.

Change-Id: Iad6c16beed26d5fe8952d7d5a79a93845c391b48
changes/39/25439/1
Eric Wild 2021-09-10 17:24:19 +02:00
parent da07b90f0f
commit 374ad788d8
1 changed files with 2 additions and 1 deletions
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3
configure.ac
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@ -90,7 +90,8 @@ fi
dnl Checks for typedefs, structures and compiler characteristics
AX_CHECK_COMPILE_FLAG([-Werror=implicit], [CFLAGS="$CFLAGS -Werror=implicit"])
AX_CHECK_COMPILE_FLAG([-Werror=maybe-uninitialized], [CFLAGS="$CFLAGS -Werror=maybe-uninitialized"])
AX_CHECK_COMPILE_FLAG([-Werror=maybe-uninitialized], [CFLAGS="$CFLAGS -Werror=maybe-uninitialized"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=sometimes-uninitialized], [CFLAGS="$CFLAGS -Werror=sometimes-uninitialized"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=memset-transposed-args], [CFLAGS="$CFLAGS -Werror=memset-transposed-args"])
AX_CHECK_COMPILE_FLAG([-Wnull-dereference], [CFLAGS="$CFLAGS -Wnull-dereference"])
AX_CHECK_COMPILE_FLAG([-Werror=sizeof-array-argument], [CFLAGS="$CFLAGS -Werror=sizeof-array-argument"])