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| author | MarcoFalke <falke.marco@gmail.com> | 2019-05-08 14:28:57 -0400 |
|---|---|---|
| committer | fanquake <fanquake@gmail.com> | 2019-06-07 10:07:36 +0200 |
| commit | 05fb9f7fbb270638f8ff4990fe68037e1a52a85f (patch) | |
| tree | 69d0144888fa9c10a0213cca858ae2bf463e3337 | |
| parent | 6cf81b01b48e871a35072dd08e7735c3ba42528c (diff) | |
| download | bitcoin-05fb9f7fbb270638f8ff4990fe68037e1a52a85f.tar.xz | |
build with -fstack-reuse=none
Github-Pull: #15983
Rebased-From: faf38bc056e523485520f98f3f725c583a3b89bf
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 9cc01a4028..8449617085 100644 --- a/configure.ac +++ b/configure.ac @@ -693,6 +693,10 @@ 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"]) |