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-rw-r--r--configure.ac41
1 files changed, 11 insertions, 30 deletions
diff --git a/configure.ac b/configure.ac
index 185f7e2918..f5bc1e3122 100644
--- a/configure.ac
+++ b/configure.ac
@@ -115,9 +115,9 @@ AC_ARG_ENABLE([hardening],
AC_ARG_ENABLE([reduce-exports],
[AS_HELP_STRING([--enable-reduce-exports],
- [attempt to reduce exported symbols in the resulting executables (default is yes)])],
+ [attempt to reduce exported symbols in the resulting executables (default is no)])],
[use_reduce_exports=$enableval],
- [use_reduce_exports=auto])
+ [use_reduce_exports=no])
AC_ARG_ENABLE([ccache],
[AS_HELP_STRING([--enable-ccache],
@@ -133,7 +133,7 @@ AC_ARG_ENABLE([lcov],
AC_ARG_ENABLE([glibc-back-compat],
[AS_HELP_STRING([--enable-glibc-back-compat],
- [enable backwards compatibility with glibc and libstdc++])],
+ [enable backwards compatibility with glibc])],
[use_glibc_compat=$enableval],
[use_glibc_compat=no])
@@ -471,22 +471,14 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([
[
AC_MSG_RESULT(no)
if test x$use_reduce_exports = xyes; then
- AC_MSG_ERROR([Cannot find a working visibility attribute. Use --disable-reduced-exports.])
+ AC_MSG_ERROR([Cannot find a working visibility attribute. Use --disable-reduce-exports.])
fi
- AC_MSG_WARN([Cannot find a working visibility attribute. Disabling reduced exports.])
- use_reduce_exports=no
]
)
-if test x$use_reduce_exports != xno; then
+if test x$use_reduce_exports = xyes; then
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"],
- [
- if test x$use_reduce_exports = xyes; then
- AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduced-exports.])
- fi
- AC_MSG_WARN([Cannot set default symbol visibility. Disabling reduced exports.])
- use_reduce_exports=no
- ])
+ [AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])])
fi
LEVELDB_CPPFLAGS=
@@ -533,7 +525,7 @@ AX_BOOST_THREAD
AX_BOOST_CHRONO
-if test x$use_reduce_exports != xno; then
+if test x$use_reduce_exports = xyes; then
AC_MSG_CHECKING([for working boost reduced exports])
TEMP_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS"
@@ -547,25 +539,14 @@ if test x$use_reduce_exports != xno; then
#endif
]])],[
AC_MSG_RESULT(yes)
- ],[:
- if test x$use_reduce_exports = xauto; then
- use_reduce_exports=no
- else
- if test x$use_reduce_exports = xyes; then
- AC_MSG_ERROR([boost versions < 1.49 are known to be broken with reduced exports. Use --disable-reduced-exports.])
- fi
- fi
- AC_MSG_RESULT(no)
- AC_MSG_WARN([boost versions < 1.49 are known to have symbol visibility issues. Disabling reduced exports.])
+ ],[
+ AC_MSG_ERROR([boost versions < 1.49 are known to be broken with reduced exports. Use --disable-reduce-exports.])
])
CPPFLAGS="$TEMP_CPPFLAGS"
fi
-
-elif test x$use_reduce_exports = xauto; then
- use_reduce_exports=yes
fi
-if test x$use_reduce_exports != xno; then
+if test x$use_reduce_exports = xyes; then
CXXFLAGS="$CXXFLAGS $RE_CXXFLAGS"
AX_CHECK_LINK_FLAG([[-Wl,--exclude-libs,ALL]], [RELDFLAGS="-Wl,--exclude-libs,ALL"])
fi
@@ -827,7 +808,7 @@ else
fi
AC_MSG_CHECKING([whether to reduce exports])
-if test x$use_reduce_exports != xno; then
+if test x$use_reduce_exports = xyes; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])