diff options
author | fanquake <fanquake@gmail.com> | 2021-09-09 13:27:47 +0800 |
---|---|---|
committer | fanquake <fanquake@gmail.com> | 2021-09-10 11:18:58 +0800 |
commit | 62e45da94537ffaecc51441896242ef5123106a5 (patch) | |
tree | 358ef9d6f23570301f38822ab981eec09dfdc944 /configure.ac | |
parent | 2ef0accefc1653ea0845683db8256dddf3b55e04 (diff) | |
download | bitcoin-62e45da94537ffaecc51441896242ef5123106a5.tar.xz |
build: remove glibc-back-compat from build system
At this point, or minimum required glibc is implicitly 2.18, due to
thread_local support being enabled by default. However, users can
disable thread_local support to maintain 2.17 ccompat for now, which is
currently done in the Guix build.
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/configure.ac b/configure.ac index e50d53f6dd..be5df8fde3 100644 --- a/configure.ac +++ b/configure.ac @@ -240,15 +240,9 @@ AC_ARG_ENABLE([lcov-branch-coverage], [use_lcov_branch=yes], [use_lcov_branch=no]) -AC_ARG_ENABLE([glibc-back-compat], - [AS_HELP_STRING([--enable-glibc-back-compat], - [enable backwards compatibility with glibc])], - [use_glibc_compat=$enableval], - [use_glibc_compat=no]) - AC_ARG_ENABLE([threadlocal], [AS_HELP_STRING([--enable-threadlocal], - [enable features that depend on the c++ thread_local keyword (currently just thread names in debug logs). (default is to enabled if there is platform support and glibc-back-compat is not enabled)])], + [enable features that depend on the c++ thread_local keyword (currently just thread names in debug logs). (default is to enable if there is platform support)])], [use_thread_local=$enableval], [use_thread_local=auto]) @@ -863,17 +857,7 @@ if test x$ac_cv_sys_large_files != x && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES=$ac_cv_sys_large_files" fi -if test x$use_glibc_compat != xno; then - AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"]) - AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"]) - case $host in - powerpc64* | ppc64*) - AX_CHECK_LINK_FLAG([[-Wl,--no-tls-get-addr-optimize]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--no-tls-get-addr-optimize"]) - ;; - esac -else - AC_SEARCH_LIBS([clock_gettime],[rt]) -fi +AC_SEARCH_LIBS([clock_gettime],[rt]) if test "x$enable_gprof" = xyes; then dnl -pg is incompatible with -pie. Since hardening and profiling together doesn't make sense, @@ -1065,7 +1049,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([ dnl thread_local is currently disabled when building with glibc back compat. dnl Our minimum supported glibc is 2.17, however support for thread_local dnl did not arrive in glibc until 2.18. -if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && test "x$use_glibc_compat" = xno; }; then +if test "x$use_thread_local" = xyes || test "x$use_thread_local" = xauto; then TEMP_LDFLAGS="$LDFLAGS" LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" AC_MSG_CHECKING([for thread_local support]) @@ -1806,7 +1790,6 @@ AM_CONDITIONAL([ENABLE_BENCH],[test x$use_bench = xyes]) AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes]) AM_CONDITIONAL([USE_LCOV],[test x$use_lcov = xyes]) AM_CONDITIONAL([USE_LIBEVENT],[test x$use_libevent = xyes]) -AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes]) AM_CONDITIONAL([HARDEN],[test x$use_hardening = xyes]) AM_CONDITIONAL([ENABLE_SSE42],[test x$enable_sse42 = xyes]) AM_CONDITIONAL([ENABLE_SSE41],[test x$enable_sse41 = xyes]) @@ -1849,7 +1832,6 @@ AC_SUBST(DEBUG_CPPFLAGS) AC_SUBST(WARN_CXXFLAGS) AC_SUBST(NOWARN_CXXFLAGS) AC_SUBST(DEBUG_CXXFLAGS) -AC_SUBST(COMPAT_LDFLAGS) AC_SUBST(ERROR_CXXFLAGS) AC_SUBST(GPROF_CXXFLAGS) AC_SUBST(GPROF_LDFLAGS) |