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Use -Wthread-safety-analysis if available (+ -Werror=thread-safety-analysis if --enable-werror) 

Zcash:
- Also added it to HARDENED_CXXFLAGS so we use it by default.
- We use -Werror if --enable-werror, so don't need the second part.

(cherry picked from commit bitcoin/bitcoin@4616c825a4)
This commit is contained in:
practicalswift 2017-07-25 09:30:12 +02:00 committed by Jack Grigg
parent 8164dc35d7
commit eeba670d94
1 changed files with 2 additions and 0 deletions
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2
configure.ac
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@ -308,6 +308,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wformat],[CXXFLAGS="$CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wvla],[CXXFLAGS="$CXXFLAGS -Wvla"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wformat-security],[CXXFLAGS="$CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[CXXFLAGS="$CXXFLAGS -Wthread-safety-analysis"],,[[$CXXFLAG_WERROR]])
## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
## unknown options if any other warning is produced. Test the -Wfoo case, and
@ -610,6 +611,7 @@ if test x$use_hardening != xno; then
AX_CHECK_COMPILE_FLAG([-Wformat-security],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wformat-security"],[AC_MSG_ERROR(Cannot enable -Wformat-security)],[-Wformat])
AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"],[AC_MSG_ERROR(Cannot enable -Wstack-protector)])
AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"],[AC_MSG_ERROR(Cannot enable -fstack-protector-all)])
AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wthread-safety-analysis"],[AC_MSG_ERROR(Cannot enable -Wthread-safety-analysis)])
AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[
AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[