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libreoffice/0001-Allow-building-with-Java-8.patch

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From 23b6064d830de573a50dcbc480c54b58dcf99e5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fridrich=20=C5=A0trba?= <fridrich.strba@bluewin.ch>
Date: Fri, 1 Mar 2024 13:36:42 +0100
Subject: [PATCH] Allow building with Java 8
Change-Id: Ib1af1a98993aabb8a03f4ef19d8da4d9a71fdbc0
---
config_host.mk.in | 1 +
configure.ac | 20 +++++++++++++++-----
ridljar/Jar_libreoffice.mk | 6 +++---
ridljar/Jar_unoloader.mk | 8 ++++----
solenv/gbuild/JavaClassSet.mk | 6 +++---
5 files changed, 26 insertions(+), 15 deletions(-)
diff --git a/config_host.mk.in b/config_host.mk.in
index 04745d508fc3..00dc7aa1f898 100644
--- a/config_host.mk.in
+++ b/config_host.mk.in
@@ -483,6 +483,7 @@ export MERGELIBS_MORE=@MERGELIBS_MORE@
export ML_EXE=@ML_EXE@
export MOC5=@MOC5@
export MOC6=@MOC6@
+MODULAR_JAVA=@MODULAR_JAVA@
export MPL_SUBSET=@MPL_SUBSET@
export MSGFMT=@MSGFMT@
export MSGUNIQ=@MSGUNIQ@
diff --git a/configure.ac b/configure.ac
index dd4ed7107aa8..b218120773d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2570,7 +2570,7 @@ AC_ARG_WITH(linker-hash-style,
AC_ARG_WITH(jdk-home,
AS_HELP_STRING([--with-jdk-home=<absolute path to JDK home>],
- [If you have installed JDK 17 or later on your system please supply the
+ [If you have installed JDK 8 or later on your system please supply the
path here. Note that this is not the location of the java command but the
location of the entire distribution. In case of cross-compiling, this
is the JDK of the host os. Use --with-build-platform-configure-options
@@ -8647,7 +8647,7 @@ if test "$ENABLE_JAVA" != ""; then
fi
if ! test -f "$with_jdk_home/lib/jvm.lib" -a -f "$with_jdk_home/bin/java.exe"; then
- AC_MSG_ERROR([No JDK found, pass the --with-jdk-home option (or fix the path) pointing to a $WIN_HOST_BITS-bit JDK >= 17])
+ AC_MSG_ERROR([No JDK found, pass the --with-jdk-home option (or fix the path) pointing to a $WIN_HOST_BITS-bit JDK >= 8])
fi
fi
@@ -8712,6 +8712,7 @@ dnl ===================================================================
# Whether all the complexity here actually is needed any more or not, no idea.
JDK_SECURITYMANAGER_DISALLOWED=
+MODULAR_JAVA=
if test "$ENABLE_JAVA" != "" -a "$cross_compiling" != "yes"; then
_gij_longver=0
AC_MSG_CHECKING([the installed JDK])
@@ -8732,8 +8733,8 @@ if test "$ENABLE_JAVA" != "" -a "$cross_compiling" != "yes"; then
_jdk=`$JAVAINTERPRETER -version 2>&1 | $AWK -F'"' '{ print \$2 }' | $SED '/^$/d' | $SED s/[[-A-Za-z]]*//`
_jdk_ver=`echo "$_jdk" | $AWK -F. '{ print (($1 * 100) + $2) * 100 + $3;}'`
- if test "$_jdk_ver" -lt 170000; then
- AC_MSG_ERROR([JDK is too old, you need at least 17 ($_jdk_ver < 170000)])
+ if test "$_jdk_ver" -lt 10800; then
+ AC_MSG_ERROR([JDK is too old, you need at least 8 ($_jdk_ver < 10800)])
fi
dnl TODO: Presumably, the Security Manager will not merely be disallowed, but be
dnl completely removed in some Java version > 18 (see
@@ -8748,13 +8749,21 @@ if test "$ENABLE_JAVA" != "" -a "$cross_compiling" != "yes"; then
fi
AC_MSG_RESULT([found $JAVA_HOME (JDK $_jdk)])
+ dnl Check whether the build Java supports modules
+ if test "$_jdk_ver" -ge 90000; then
+ MODULAR_JAVA=TRUE
+ else
+ AC_MSG_WARN([Modular jars will not be built. They need at least Java 9 ($_jdk_ver < 90000)])
+ add_warning "Modular jars will not be built. They need at least Java 9 ($_jdk_ver < 90000)"
+ fi
+
# set to limit VM usage for JunitTests
JAVAIFLAGS=-Xmx64M
# set to limit VM usage for javac
JAVACFLAGS=-J-Xmx128M
fi
else
- AC_MSG_ERROR([Java not found. You need at least JDK 17])
+ AC_MSG_ERROR([Java not found. You need at least JDK 8])
fi
else
if test -z "$ENABLE_JAVA"; then
@@ -9058,6 +9067,7 @@ AC_SUBST(JDK_FOR_BUILD)
AC_SUBST(JDK_SECURITYMANAGER_DISALLOWED_FOR_BUILD)
AC_SUBST(JAVA_SOURCE_VER)
AC_SUBST(JAVA_TARGET_VER)
+AC_SUBST(MODULAR_JAVA)
dnl ===================================================================
diff --git a/ridljar/Jar_libreoffice.mk b/ridljar/Jar_libreoffice.mk
index 76a56eedc078..77397bc246ee 100644
--- a/ridljar/Jar_libreoffice.mk
+++ b/ridljar/Jar_libreoffice.mk
@@ -36,12 +36,12 @@ $(eval $(call gb_Jar_add_manifest_classpath,libreoffice, \
$(eval $(call gb_Jar_add_packagedirs,libreoffice,\
$(call gb_CustomTarget_get_workdir,ridljar/javamaker)/com \
$(call gb_CustomTarget_get_workdir,unoil/javamaker)/com \
- $(call gb_JavaClassSet_get_classdir,$(call gb_Jar_get_classsetname,libreoffice))/module-info.class \
+ $(if $(MODULAR_JAVA),$(call gb_JavaClassSet_get_classdir,$(call gb_Jar_get_classsetname,libreoffice))/module-info.class) \
))
-$(eval $(call gb_Jar_add_sourcefiles_java9,libreoffice,\
+$(if $(MODULAR_JAVA),$(eval $(call gb_Jar_add_sourcefiles_java9,libreoffice,\
ridljar/source/libreoffice/module-info \
-))
+)))
$(eval $(call gb_Jar_add_sourcefiles,libreoffice,\
ridljar/com/sun/star/comp/bridgefactory/BridgeFactory \
diff --git a/ridljar/Jar_unoloader.mk b/ridljar/Jar_unoloader.mk
index 2acf20b5b289..b7fcbc105dc1 100644
--- a/ridljar/Jar_unoloader.mk
+++ b/ridljar/Jar_unoloader.mk
@@ -14,13 +14,13 @@ $(eval $(call gb_Jar_set_packageroot,unoloader,com))
$(eval $(call gb_Jar_set_manifest,unoloader,$(SRCDIR)/ridljar/source/unoloader/com/sun/star/lib/unoloader/manifest))
# the module-info.class is manually added here since it's not in "com" dir
-$(eval $(call gb_Jar_add_packagedirs,unoloader,\
+$(if $(MODULAR_JAVA),$(eval $(call gb_Jar_add_packagedirs,unoloader,\
$(call gb_JavaClassSet_get_classdir,$(call gb_Jar_get_classsetname,unoloader))/module-info.class \
-))
+)))
-$(eval $(call gb_Jar_add_sourcefiles_java9,unoloader,\
+$(if $(MODULAR_JAVA),$(eval $(call gb_Jar_add_sourcefiles_java9,unoloader,\
ridljar/source/unoloader/module-info \
-))
+)))
$(eval $(call gb_Jar_add_sourcefiles,unoloader,\
ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoClassLoader \
diff --git a/solenv/gbuild/JavaClassSet.mk b/solenv/gbuild/JavaClassSet.mk
index 84fbcc13c32d..8acf120dd615 100644
--- a/solenv/gbuild/JavaClassSet.mk
+++ b/solenv/gbuild/JavaClassSet.mk
@@ -19,7 +19,7 @@
gb_JavaClassSet_JAVACCOMMAND = $(ICECREAM_RUN) $(JAVACOMPILER) $(JAVACFLAGS) \
-encoding utf8 \
- --release $(1) \
+ $(if $(MODULAR_JAVA),--release $(1),-source $(1) -target $(1)) \
-Xlint:-options \
-Xlint:unchecked
@@ -51,7 +51,7 @@ $(call gb_Helper_abbreviate_dirs,\
-d $(call gb_JavaClassSet_get_classdir,$(2)) \
@$$RESPONSEFILE &&) \
rm -f $$RESPONSEFILE &&) \
- $(if $(T_MODULENAME),\
+ $(if $(MODULAR_JAVA),$(if $(T_MODULENAME),\
RESPONSEFILE=$(call gb_var2file,$(shell $(gb_MKTEMP)),\
$(T_JAVA9FILES)) && \
$(if $(3),$(call gb_JavaClassSet_JAVACCOMMAND,9) \
@@ -61,7 +61,7 @@ $(call gb_Helper_abbreviate_dirs,\
$(if $(T_MODULENAME),--patch-module $(T_MODULENAME)="$(subst $(WHITESPACE),$(gb_CLASSPATHSEP),$(strip $(dir $(PACKAGEDIRS))))") \
-d $(call gb_JavaClassSet_get_classdir,$(2)) \
@$$RESPONSEFILE &&) \
- rm -f $$RESPONSEFILE &&) \
+ rm -f $$RESPONSEFILE &&)) \
touch $(1))
endef
--
2.44.0
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