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| author | MarcoFalke <falke.marco@gmail.com> | 2019-05-08 14:28:57 -0400 |
|---|---|---|
| committer | MarcoFalke <falke.marco@gmail.com> | 2019-05-15 15:41:28 -0400 |
| commit | faf38bc056e523485520f98f3f725c583a3b89bf (patch) | |
| tree | d70062e09acd163e654c3fdce6e05fd8eee7aff3 /configure.ac | |
| parent | 49c1aa5f83d0751882413aafb42a77801daf1cd5 (diff) | |
| download | bitcoin-faf38bc056e523485520f98f3f725c583a3b89bf.tar.xz | |
build with -fstack-reuse=none
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 854d6b1d49..d57e3b9196 100644 --- a/configure.ac +++ b/configure.ac @@ -734,6 +734,10 @@ if test x$TARGET_OS != xwindows; then AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"]) fi +# All versions of gcc that we commonly use for building are subject to bug +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set +# -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) +AX_CHECK_COMPILE_FLAG([-fstack-reuse=none],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-reuse=none"]) if test x$use_hardening != xno; then use_hardening=yes AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"]) |