diff options
Diffstat (limited to 'libssp/configure.ac')
| -rw-r--r-- | libssp/configure.ac | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/libssp/configure.ac b/libssp/configure.ac index f8ed70c5105..99b4edfe104 100644 --- a/libssp/configure.ac +++ b/libssp/configure.ac @@ -22,7 +22,8 @@ AC_ARG_ENABLE(version-specific-runtime-libs, AC_MSG_RESULT($version_specific_libs) AM_MAINTAINER_MODE -AC_EXEEXT + +GCC_NO_EXECUTABLES AM_ENABLE_MULTILIB(, ..) @@ -78,14 +79,27 @@ FOO_1.0 { EOF save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map" -AC_TRY_LINK([int foo;],[],[ssp_use_symver=yes],[ssp_use_symver=no]) +if test x$gcc_no_link = xyes; then + # If we cannot link, we cannot build shared libraries, so do not use + # symbol versioning. + ssp_use_symver=no +else + AC_TRY_LINK([int foo;],[],[ssp_use_symver=yes],[ssp_use_symver=no]) +fi LDFLAGS="$save_LDFLAGS" AC_MSG_RESULT($ssp_use_symver) AM_CONDITIONAL(LIBSSP_USE_SYMVER, [test "x$ssp_use_symver" = xyes]) AC_CHECK_HEADERS(alloca.h paths.h syslog.h string.h unistd.h fcntl.h stdio.h limits.h) -AC_CHECK_FUNCS(mempcpy strncpy strncat) +if test x$gcc_no_link = xyes; then + # Presume the ISO C functions are available; add target-specific + # configuration here if required. + AC_DEFINE(HAVE_STRNCPY) + AC_DEFINE(HAVE_STRNCAT) +else + AC_CHECK_FUNCS(mempcpy strncpy strncat) +fi AC_MSG_CHECKING([whether vsnprintf is usable]) AC_RUN_IFELSE(AC_LANG_PROGRAM([ |