icedtea-git · zamaudio · Jul 30, 2026 · Jan 26, 2026 · Jul 30, 2026 · Jan 27, 2026
diff --git a/buildhurd.sh b/buildhurd.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+if [ -d hotspot/agent ]; then
+  mv hotspot/agent hotspot/agent.disabled
+fi
+
+if [ ! -d apache-ant-1.7.1 ]; then
+  wget -c https://archive.apache.org/dist/ant/binaries/apache-ant-1.7.1-bin.tar.gz
+  tar -xf apache-ant-1.7.1-bin.tar.gz
+fi
+
+unset JAVA_HOME
+export LANG=C
+
+JDK_TO_BUILD_WITH=$(realpath ../jdk6/build/linux-x86/langtools/dist/bootstrap)
+export ALT_BOOTDIR=${JDK_TO_BUILD_WITH}
+export ALT_JDK_IMPORT_PATH=${JDK_TO_BUILD_WITH} 
+
+source ./jdk/make/jdk_generic_profile.sh
+
+make ANT_HOME=$(realpath apache-ant-1.7.1) GENERATE_DOCS=false BUILD_JAXWS=false BUILD_JAXP=false BUILD_CORBA=false BUILD_JDK=true BUILD_LANGTOOLS=true ALSA_CHECK=newer SKIP_FREETYPE_CHECK=true EXTRA_CXXFLAGS="-fpermissive" EXTRA_CFLAGS="-fpermissive" USE_PRECOMPILED_HEADER=0 INCLUDE_TRACE=0 COMPILER_WARNINGS_FATAL=false ALT_SDT_H=/nowhere ARCH=x86 ARCH_DATA_MODEL=64 LP64=1 LIBARCH=amd64 PLATFORM=linux BOOT_VER=1.5.0 FT2_CFLAGS="$(pkg-config --cflags freetype2)" FT2_LIBS="$(pkg-config --libs freetype2)" STATIC_CXX=false NO_DOCS=true DEBUG_CLASSFILES=true DEBUG_BINARIES=true STRIP_POLICY=no_strip FULL_DEBUG_SYMBOLS=1 debug_build
diff --git a/hotspot/make/aix/makefiles/trace.make b/hotspot/make/aix/makefiles/trace.make
@@ -69,7 +69,7 @@ TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%)
 
 XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen
 
-XML_DEPS =  $(TraceSrcDir)/trace.xml  $(TraceSrcDir)/tracetypes.xml \
+XML_DEPS =  $(TraceSrcDir)/trace.xml \
 	$(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod
 ifeq ($(HAS_ALT_SRC), true)
 	XML_DEPS += $(TraceAltSrcDir)/traceevents.xml

diff --git a/hotspot/make/bsd/makefiles/trace.make b/hotspot/make/bsd/makefiles/trace.make
@@ -69,7 +69,7 @@ TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%)
 
 XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen
 
-XML_DEPS =  $(TraceSrcDir)/trace.xml  $(TraceSrcDir)/tracetypes.xml \
+XML_DEPS =  $(TraceSrcDir)/trace.xml \
 	$(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod
 ifeq ($(HAS_ALT_SRC), true)
 	XML_DEPS += $(TraceAltSrcDir)/traceevents.xml

diff --git a/hotspot/make/defs.make b/hotspot/make/defs.make
@@ -164,12 +164,18 @@ endif
 # Windows should have OS predefined
 ifeq ($(OS),)
   OS   := $(shell uname -s)
+  ifeq ($(OS), GNU/kFreeBSD)
+    OS=Linux
+  endif
   ifneq ($(findstring BSD,$(OS)),)
     OS=bsd
   endif
   ifeq ($(OS), Darwin)
     OS=bsd
   endif
+  ifeq ($(OS), GNU)
+    OS=Linux
+  endif
   HOST := $(shell uname -n)
 endif
 

diff --git a/hotspot/make/linux/makefiles/defs.make b/hotspot/make/linux/makefiles/defs.make
@@ -279,7 +279,8 @@ LIBRARY_SUFFIX=so
 # FIXUP: The subdirectory for a debug build is NOT the same on all platforms
 VM_DEBUG=jvmg
 
-EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
+# XXX Does not work
+#EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
 
 # client and server subdirectories have symbolic links to ../libjsig.so
 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.$(LIBRARY_SUFFIX)
@@ -348,6 +349,9 @@ ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
     endif
   endif
 endif
+# XXX Disable for now
+ADD_SA_BINARIES/x86   =
+
 ADD_SA_BINARIES/ppc   = 
 ADD_SA_BINARIES/ppc64 = 
 ADD_SA_BINARIES/ia64  = 

diff --git a/hotspot/make/linux/makefiles/jvmti.make b/hotspot/make/linux/makefiles/jvmti.make
@@ -45,10 +45,10 @@ VPATH += $(Src_Dirs_V:%=%:)
 JvmtiGeneratedNames = \
         jvmtiEnv.hpp \
         jvmtiEnter.cpp \
-        jvmtiEnterTrace.cpp \
         jvmtiEnvRecommended.cpp \
         bytecodeInterpreterWithChecks.cpp \
         jvmti.h \
+        #XXX fails link jvmtiEnterTrace.cpp \
 
 JvmtiEnvFillSource = $(JvmtiSrcDir)/jvmtiEnvFill.java
 JvmtiEnvFillClass = $(JvmtiOutDir)/jvmtiEnvFill.class

diff --git a/hotspot/make/linux/makefiles/rules.make b/hotspot/make/linux/makefiles/rules.make
@@ -129,8 +129,8 @@ QUIETLY$(MAKE_VERBOSE)  = @
 RUN.JAR$(MAKE_VERBOSE) += >/dev/null
 
 # Settings for javac
-BOOT_SOURCE_LANGUAGE_VERSION = 6
-BOOT_TARGET_CLASS_VERSION = 6
+BOOT_SOURCE_LANGUAGE_VERSION = 5
+BOOT_TARGET_CLASS_VERSION = 5
 JAVAC_FLAGS = -g -encoding ascii
 BOOTSTRAP_JAVAC_FLAGS = $(JAVAC_FLAGS) -source $(BOOT_SOURCE_LANGUAGE_VERSION) -target $(BOOT_TARGET_CLASS_VERSION)
 

diff --git a/hotspot/make/linux/makefiles/trace.make b/hotspot/make/linux/makefiles/trace.make
@@ -68,7 +68,7 @@ TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%)
 
 XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen
 
-XML_DEPS =  $(TraceSrcDir)/trace.xml  $(TraceSrcDir)/tracetypes.xml \
+XML_DEPS =  $(TraceSrcDir)/trace.xml \
 	$(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod
 ifeq ($(HAS_ALT_SRC), true)
 	XML_DEPS += $(TraceAltSrcDir)/traceevents.xml

diff --git a/hotspot/make/solaris/makefiles/trace.make b/hotspot/make/solaris/makefiles/trace.make
@@ -68,7 +68,7 @@ TraceGeneratedFiles = $(TraceGeneratedNames:%=$(TraceOutDir)/%)
 
 XSLT = $(REMOTE) $(RUN.JAVA) -classpath $(JvmtiOutDir) jvmtiGen
 
-XML_DEPS =  $(TraceSrcDir)/trace.xml  $(TraceSrcDir)/tracetypes.xml \
+XML_DEPS =  $(TraceSrcDir)/trace.xml \
 	$(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod
 ifeq ($(HAS_ALT_SRC), true)
 	XML_DEPS += $(TraceAltSrcDir)/traceevents.xml

diff --git a/hotspot/make/windows/makefiles/trace.make b/hotspot/make/windows/makefiles/trace.make
@@ -64,7 +64,7 @@ TraceGeneratedFiles = $(TraceGeneratedFiles) \
 
 XSLT = $(QUIETLY) $(REMOTE) $(RUN_JAVA) -classpath $(JvmtiOutDir) jvmtiGen
 
-XML_DEPS = $(TraceSrcDir)/trace.xml $(TraceSrcDir)/tracetypes.xml \
+XML_DEPS = $(TraceSrcDir)/trace.xml \
     $(TraceSrcDir)/trace.dtd $(TraceSrcDir)/xinclude.mod
 
 !if EXISTS($(TraceAltSrcDir))

diff --git a/hotspot/src/os/linux/vm/attachListener_linux.cpp b/hotspot/src/os/linux/vm/attachListener_linux.cpp
@@ -35,6 +35,10 @@
 #include <sys/un.h>
 #include <sys/stat.h>
 
+#if defined(__FreeBSD_kernel__)
+# include <sys/ucred.h>
+#endif
+
 #ifndef UNIX_PATH_MAX
 #define UNIX_PATH_MAX   sizeof(((struct sockaddr_un *)0)->sun_path)
 #endif
@@ -55,6 +59,27 @@
 //    obtain the credentials of client. We check that the effective uid
 //    of the client matches this process.
 
+// Linux (SO_PEERCRED) and FreeBSD (LOCAL_PEERCRED) have very similar
+// interfaces for this but incompatible names, so we define macros for each
+// system which are used in dequeue() below. For systems which don't have
+// either, you may want to disable the check (#warning below, but make sure
+// file modes are enough to prevent unwanted connections).
+#ifdef SO_PEERCRED
+# define UCRED_OPTION SO_PEERCRED
+# define UCRED_T struct ucred
+# define UCRED_UID uid
+# define UCRED_GID gid
+#elif defined(LOCAL_PEERCRED)
+# define UCRED_OPTION LOCAL_PEERCRED
+# define UCRED_T struct xucred
+# define UCRED_UID cr_uid
+# define UCRED_GID cr_gid
+#elif defined(__GNU__)
+//XXX fails on -Werror # warning SO_PEERCRED not available, authentication will rely on file mode
+#else
+# error SO_PEERCRED not available, please implement checks for your system
+#endif
+
 // forward reference
 class LinuxAttachOperation;
 
@@ -335,23 +360,25 @@ LinuxAttachOperation* LinuxAttachListener::dequeue() {
       return NULL;      // log a warning?
     }
 
+#ifdef UCRED_OPTION // (see above)
     // get the credentials of the peer and check the effective uid/guid
     // - check with jeff on this.
-    struct ucred cred_info;
+    UCRED_T cred_info;
     socklen_t optlen = sizeof(cred_info);
-    if (::getsockopt(s, SOL_SOCKET, SO_PEERCRED, (void*)&cred_info, &optlen) == -1) {
+    if (::getsockopt(s, SOL_SOCKET, UCRED_OPTION, (void*)&cred_info, &optlen) == -1) {
       int res;
       RESTARTABLE(::close(s), res);
       continue;
     }
     uid_t euid = geteuid();
     gid_t egid = getegid();
 
-    if (cred_info.uid != euid || cred_info.gid != egid) {
+    if (cred_info.UCRED_UID != euid || cred_info.UCRED_GID != egid) {
       int res;
       RESTARTABLE(::close(s), res);
       continue;
     }
+#endif
 
     // peer credential look okay so we read the request
     LinuxAttachOperation* op = read_request(s);

diff --git a/hotspot/src/os/linux/vm/jvm_linux.cpp b/hotspot/src/os/linux/vm/jvm_linux.cpp
@@ -169,7 +169,9 @@ struct siglabel siglabels[] = {
   "WINCH",      SIGWINCH,       /* Window size change (4.3 BSD, Sun).  */
   "POLL",       SIGPOLL,        /* Pollable event occurred (System V).  */
   "IO",         SIGIO,          /* I/O now possible (4.2 BSD).  */
+#ifdef SIGPWR
   "PWR",        SIGPWR,         /* Power failure restart (System V).  */
+#endif
 #ifdef SIGSYS
   "SYS",        SIGSYS          /* Bad system call. Only on some Linuxen! */
 #endif

diff --git a/hotspot/src/os/linux/vm/jvm_linux.h b/hotspot/src/os/linux/vm/jvm_linux.h
@@ -46,6 +46,19 @@
 #include <sys/socket.h>         /* For socklen_t */
 #include <unistd.h>             /* For F_OK, R_OK, W_OK */
 
+/* MAXPATHLEN and PATH_MAX are optional. */
+#ifndef MAXPATHLEN
+# define MAXPATHLEN 4096
+#endif
+#ifndef PATH_MAX
+# define PATH_MAX MAXPATHLEN
+#endif
+
+/* MAP_NORESERVE is Linux-specific. */
+#ifndef MAP_NORESERVE
+# define MAP_NORESERVE 0
+#endif
+
 #define JNI_ONLOAD_SYMBOLS      {"JNI_OnLoad"}
 #define JNI_ONUNLOAD_SYMBOLS    {"JNI_OnUnload"}
 #define JVM_ONLOAD_SYMBOLS      {"JVM_OnLoad"}