X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=acinclude.m4;h=8228d392f3d7a0da00bab86ec8c689faef302ecf;hb=6c7d5bae36890a97143ebb341bf58ef5f61604f3;hp=955f258df48c5403a8c5ec5f4c0285333135d485;hpb=312c05545b7c4beef4d9e998fb0e9ad03e1b9501;p=rrdtool.git

diff --git a/acinclude.m4 b/acinclude.m4
index 955f258..8228d39 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -19,7 +19,7 @@ AC_DEFUN([EX_CHECK_ALL],
  EX_CHECK_STATE=NO
  ex_check_save_LIBS=${LIBS}
  ex_check_save_CPPFLAGS=${CPPFLAGS}
- ex_check_save_LDFLAGS=${LDPFLAGS}
+ ex_check_save_LDFLAGS=${LDFLAGS}
  if test "x$7" != "x"; then
    CPPFLAGS="$CPPFLAGS -I$7"
  fi
@@ -38,7 +38,7 @@ AC_DEFUN([EX_CHECK_ALL],
 	     dnl remove the cached value and test again
 	     unset ac_cv_lib_$1_$2
              AC_CHECK_LIB($1,$2,[
-	         unset ac_cv_header_`echo $3 | sed "s/[^a-z]/_/g"`
+	         unset ac_cv_header_`echo $3 | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
 		 AC_CHECK_HEADER($3,[EX_CHECK_STATE=YES],[])
 	     ],[])
           else
@@ -289,6 +289,12 @@ if test "x$acx_pthread_ok" = xyes; then
         case "${host_cpu}-${host_os}" in
             *-aix* | *-freebsd* | *-darwin*) x_rflag="-D_THREAD_SAFE";;
             *solaris* | *-osf* | *-hpux*) x_rflag="-D_REENTRANT";;
+            *-linux*)
+            if test x"$PTHREAD_CFLAGS" = "x-pthread"; then
+                # For Linux/gcc "-pthread" implies "-lpthread". We need, however, to make this explicit
+                # in PTHREAD_LIBS such that a shared library to be built properly depends on libpthread.
+                PTHREAD_LIBS="-lpthread $PTHREAD_LIBS"
+            fi;;
         esac
         AC_MSG_RESULT(${x_rflag})
         if test "x$x_rflag" != xno; then