diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 45cd023bb1..3e508571e9 100644 --- a/configure.ac +++ b/configure.ac @@ -108,6 +108,12 @@ AC_ARG_ENABLE([lcov], [use_lcov=yes], [use_lcov=no]) +AC_ARG_ENABLE([glibc-back-compat], + [AS_HELP_STRING([--enable-glibc-back-compat], + [enable backwards compatibility with glibc and libstdc++])], + [use_glibc_compat=$enableval], + [use_glibc_compat=no]) + AC_ARG_WITH([protoc-bindir],[AS_HELP_STRING([--with-protoc-bindir=BIN_DIR],[specify protoc bin path])], [protoc_bin_path=$withval], []) @@ -319,6 +325,21 @@ fi AX_CHECK_LINK_FLAG([[-Wl,--large-address-aware]], [LDFLAGS="$LDFLAGS -Wl,--large-address-aware"]) +if test x$use_glibc_compat != xno; then + + #__fdelt_chk's params and return type have changed from long unsigned int to long int. + # See which one is present here. + AC_MSG_CHECKING(__fdelt_chk type) + AC_TRY_COMPILE([#define __USE_FORTIFY_LEVEL 2 + #include <sys/select.h> + extern "C" long unsigned int __fdelt_warn(long unsigned int);],[], + [ fdelt_type="long unsigned int"], + [ fdelt_type="long int"]) + AC_MSG_RESULT($fdelt_type) + AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk]) + +fi + if test x$use_hardening != xno; then AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"]) AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"]) @@ -691,6 +712,7 @@ AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes]) AM_CONDITIONAL([USE_LCOV],[test x$use_lcov == xyes]) AM_CONDITIONAL([USE_COMPARISON_TOOL],[test x$use_comparison_tool != xno]) AM_CONDITIONAL([USE_COMPARISON_TOOL_REORG_TESTS],[test x$use_comparison_tool_reorg_test != xno]) +AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes]) AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version]) AC_DEFINE(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR, [Minor version]) |