diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/configure b/configure index 55530ade970..e7cc4766140 100755 --- a/configure +++ b/configure @@ -3591,6 +3591,10 @@ rm -f conftest* # # Pthreads # +# For each platform, we need to know about any special compile and link +# libraries, and whether the normal C function names are thread-safe. +# +NEED_REENTRANT_FUNC_NAMES=no if test "$with_threads" = yes; then echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 @@ -3902,13 +3906,19 @@ fi case $host_os in netbsd*|bsdi*) # these require no special flags or libraries + NEED_REENTRANT_FUNC_NAMES=no + ;; + freebsd2*|freebsd3*|freebsd4*) + THREAD_CFLAGS="-pthread" + NEED_REENTRANT_FUNC_NAMES=yes ;; - freebsd2*|freebsd3*|freebsd4*) THREAD_CFLAGS="-pthread" ;; freebsd*) THREAD_LIBS="-lc_r" + NEED_REENTRANT_FUNC_NAMES=yes ;; linux*) THREAD_CFLAGS="-D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS" THREAD_LIBS="-lpthread" + NEED_REENTRANT_FUNC_NAMES=yes ;; *) # other operating systems might fail because they have pthread.h but need @@ -12829,8 +12839,14 @@ fi # # Check for re-entrant versions of certain functions # -# Include special flags if required +# Include special flags if threads are enabled _and_ if required for +# threading on this platform. Some platforms have *_r functions but +# their natively named funcs are threadsafe, and should be used instead. +# +# One trick here is that if the don't call AC_CHECK_FUNCS, the +# functions are marked "not found", which is perfect. # +if test "$NEED_REENTRANT_FUNC_NAMES" = yes ; then _CFLAGS="$CFLAGS" _LIB="$LIBS" CFLAGS="$CFLAGS $TREAD_CFLAGS" @@ -12915,7 +12931,7 @@ done CFLAGS="$_CFLAGS" LIB="$_LIBS" - +fi # This test makes sure that run tests work at all. Sometimes a shared |