8351322: Parameterize link option for pthreads

Reviewed-by: erikj, ihse, dholmes

make/autoconf/libraries.m4

@@ -139,7 +139,7 @@ AC_DEFUN_ONCE([LIB_SETUP_LIBRARIES],
 
   # Threading library
   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
-    BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lpthread"
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBPTHREAD"
   fi
 
   # librt for legacy clock_gettime
@@ -197,6 +197,14 @@ AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
   AC_SUBST(LIBDL)
   LIBS="$save_LIBS"
 
+  # Setup posix pthread support
+  if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
+    LIBPTHREAD="-lpthread"
+  else
+    LIBPTHREAD=""
+  fi
+  AC_SUBST(LIBPTHREAD)
+
   # Control if libzip can use mmap. Available for purposes of overriding.
   LIBZIP_CAN_USE_MMAP=true
   AC_SUBST(LIBZIP_CAN_USE_MMAP)

make/autoconf/spec.gmk.template

@@ -144,6 +144,7 @@ endif
 
 LIBM := @LIBM@
 LIBDL := @LIBDL@
+LIBPTHREAD := @LIBPTHREAD@
 
 WINENV_ROOT := @WINENV_ROOT@
 WINENV_PREFIX := @WINENV_PREFIX@

make/modules/java.base/Lib.gmk

@@ -81,7 +81,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBNIO, \
     DISABLED_WARNINGS_clang_Net.c := unused-function unused-variable, \
     DISABLED_WARNINGS_clang_UnixNativeDispatcher.c := unused-variable, \
     JDK_LIBS := libjava libnet, \
-    LIBS_linux := $(LIBDL) -lpthread, \
+    LIBS_linux := $(LIBDL) $(LIBPTHREAD), \
     LIBS_aix := $(LIBDL), \
     LIBS_macosx := \
         -framework CoreFoundation \

make/modules/java.base/lib/CoreLibraries.gmk

@@ -187,7 +187,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBJLI, \
         unused-function, \
     DISABLED_WARNINGS_clang_java_md_macosx.m := unused-variable, \
     LIBS_unix := $(LIBZ_LIBS), \
-    LIBS_linux := $(LIBDL) -lpthread, \
+    LIBS_linux := $(LIBDL) $(LIBPTHREAD), \
     LIBS_macosx := \
         -framework ApplicationServices \
         -framework Cocoa \

make/modules/java.desktop/lib/AwtLibraries.gmk

@@ -285,7 +285,7 @@ ifeq ($(call isTargetOs, windows macosx)+$(ENABLE_HEADLESS_ONLY), false+false)
       JDK_LIBS := libawt java.base:libjava, \
       LIBS_unix := $(LIBDL) $(LIBM) $(X_LIBS) -lX11 -lXext -lXi -lXrender \
           -lXtst, \
-      LIBS_linux := -lpthread, \
+      LIBS_linux := $(LIBPTHREAD), \
       STATIC_LIB_EXCLUDE_OBJS := $(LIBAWT_XAWT_STATIC_EXCLUDE_OBJS), \
   ))
 

make/modules/java.desktop/lib/ClientLibraries.gmk

@@ -260,7 +260,7 @@ ifeq ($(ENABLE_HEADLESS_ONLY), false)
       JDK_LIBS_windows := java.base:libjava, \
       JDK_LIBS_macosx := libosxapp, \
       LIBS := $(GIFLIB_LIBS) $(LIBJPEG_LIBS) $(LIBZ_LIBS) $(PNG_LIBS), \
-      LIBS_unix := $(LIBM) -lpthread, \
+      LIBS_unix := $(LIBM) $(LIBPTHREAD), \
       LIBS_linux := $(LIBDL) $(X_LIBS) -lX11 -lXext, \
       LIBS_macosx := -liconv \
           -framework ApplicationServices \

make/modules/jdk.jdwp.agent/Lib.gmk

@@ -38,7 +38,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBDT_SOCKET, \
     EXTRA_HEADER_DIRS := \
         include \
         libjdwp/export, \
-    LIBS_linux := -lpthread, \
+    LIBS_linux := $(LIBPTHREAD), \
     LIBS_windows := iphlpapi.lib ws2_32.lib, \
 ))
 

make/modules/jdk.sctp/Lib.gmk

@@ -41,7 +41,7 @@ ifeq ($(call isTargetOs, linux), true)
           java.base:libnio \
           java.base:libnio/ch, \
       JDK_LIBS := java.base:libjava java.base:libnet, \
-      LIBS_linux := $(LIBDL) -lpthread, \
+      LIBS_linux := $(LIBDL) $(LIBPTHREAD), \
   ))
 
   TARGETS += $(BUILD_LIBSCTP)