diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index b92be0db3..21a1d311e 100644 --- a/configure.ac +++ b/configure.ac @@ -30,13 +30,11 @@ AC_CANONICAL_TARGET([]) AS_IF([test -z "$CFLAGS"], [COPTIMISE_FLAG="-O2"]) case "$host_os" in linux*) - CLDFLAGS="${CLDFLAGS-"$LDFLAGS"} -Wl,--version-script,.export.sym" # equivalent to -rdynamic ELDFLAGS="-Wl,--export-dynamic" # FIXME Generate list and use --dynamic-list=.dlopen.sym CLDWHOLEARCHIVE="-Wl,-whole-archive" CLDNOWHOLEARCHIVE="-Wl,-no-whole-archive" - LDDEPS="$LDDEPS .export.sym" LIB_SUFFIX=so DEVMAPPER=yes BUILD_LVMPOLLD=no @@ -51,7 +49,6 @@ case "$host_os" in ;; darwin*) CFLAGS="$CFLAGS -no-cpp-precomp -fno-common" - CLDFLAGS="${CLDFLAGS-"$LDFLAGS"}" ELDFLAGS= CLDWHOLEARCHIVE="-all_load" CLDNOWHOLEARCHIVE= @@ -826,6 +823,29 @@ AC_ARG_WITH(optimisation, AC_MSG_RESULT($COPTIMISE_FLAG) ################################################################################ +dnl -- Symbol versioning +AC_MSG_CHECKING(whether to use symbol versioning) +AC_ARG_WITH(symvers, + AC_HELP_STRING([--with-symvers=STYLE], + [use symbol versioning of the shared library [default=gnu]]), + [ case "$withval" in + gnu|no) symvers=$withval ;; + *) AC_MSG_ERROR(Unknown argument to with-symvers) ;; + esac], symvers=gnu) +AC_MSG_RESULT($symvers) + +if test "$GCC" = "yes" && test "$symvers" = "gnu" ; then + AC_DEFINE(GNU_SYMVER, 1, + [Define to use GNU versioning in the shared library.]) + case "$host_os" in + linux*) + CLDFLAGS="${CLDFLAGS-"$LDFLAGS"} -Wl,--version-script,.export.sym" + LDDEPS="$LDDEPS .export.sym" + ;; + esac +fi + +################################################################################ dnl -- Enable profiling AC_MSG_CHECKING(whether to gather gcov profiling data) AC_ARG_ENABLE(profiling, |