8257913: Add more known library locations to simplify Linux cross-compilation

Reviewed-by: erikj

Author: shipilev

.github/workflows/submit.yml

@@ -536,10 +536,6 @@ jobs:
           echo "cross_flags=
           --openjdk-target=${{ matrix.gnu-arch }}-linux-gnu${{ matrix.gnu-flavor}}
           --with-sysroot=${HOME}/sysroot-${{ matrix.debian-arch }}/
-          --with-toolchain-path=${HOME}/sysroot-${{ matrix.debian-arch }}/
-          --with-freetype-lib=${HOME}/sysroot-${{ matrix.debian-arch }}/usr/lib/${{ matrix.gnu-arch }}-linux-gnu${{ matrix.gnu-flavor}}/
-          --with-freetype-include=${HOME}/sysroot-${{ matrix.debian-arch }}/usr/include/freetype2/
-          --x-libraries=${HOME}/sysroot-${{ matrix.debian-arch }}/usr/lib/${{ matrix.gnu-arch }}-linux-gnu${{ matrix.gnu-flavor}}/
           " >> $GITHUB_ENV
         if: matrix.debian-arch != ''
 

make/autoconf/lib-freetype.m4

@@ -192,6 +192,16 @@ AC_DEFUN_ONCE([LIB_SETUP_FREETYPE],
               [$FREETYPE_BASE_DIR/lib], [well-known location])
         fi
 
+        if test "x$FOUND_FREETYPE" != "xyes" ; then
+          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include],
+              [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location])
+        fi
+
+        if test "x$FOUND_FREETYPE" != "xyes" ; then
+          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include],
+              [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location])
+        fi
+
         if test "x$FOUND_FREETYPE" != "xyes" ; then
           FREETYPE_BASE_DIR="$SYSROOT/usr/X11"
           LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include],

make/autoconf/lib-x11.m4

@@ -68,6 +68,10 @@ AC_DEFUN_ONCE([LIB_SETUP_X11],
             x_libraries="$SYSROOT/usr/lib64"
           elif test -f "$SYSROOT/usr/lib/libX11.so"; then
             x_libraries="$SYSROOT/usr/lib"
+          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
+            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"
+          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
+            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"
           fi
         fi
       fi

make/autoconf/platform.m4

@@ -238,6 +238,33 @@ AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_LIBC],
   esac
 ])
 
+# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
+# Converts autoconf style OS name to OpenJDK style, into
+# VAR_ABI.
+AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_ABI],
+[
+  case "$1" in
+    *linux*-musl)
+      VAR_ABI=musl
+      ;;
+    *linux*-gnu)
+      VAR_ABI=gnu
+      ;;
+    *linux*-gnueabi)
+      VAR_ABI=gnueabi
+      ;;
+    *linux*-gnueabihf)
+      VAR_ABI=gnueabihf
+      ;;
+    *linux*-gnuabi64)
+      VAR_ABI=gnuabi64
+      ;;
+    *)
+      VAR_ABI=default
+      ;;
+  esac
+])
+
 # Expects $host_os $host_cpu $build_os and $build_cpu
 # and $with_target_bits to have been setup!
 #
@@ -259,6 +286,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
   PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
   PLATFORM_EXTRACT_VARS_FROM_LIBC($build_os)
+  PLATFORM_EXTRACT_VARS_FROM_ABI($build_os)
   # ..and setup our own variables. (Do this explicitly to facilitate searching)
   OPENJDK_BUILD_OS="$VAR_OS"
   if test "x$VAR_OS_TYPE" != x; then
@@ -275,15 +303,19 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
+  OPENJDK_BUILD_CPU_AUTOCONF="$build_cpu"
   OPENJDK_BUILD_LIBC="$VAR_LIBC"
+  OPENJDK_BUILD_ABI="$VAR_ABI"
   AC_SUBST(OPENJDK_BUILD_OS)
   AC_SUBST(OPENJDK_BUILD_OS_TYPE)
   AC_SUBST(OPENJDK_BUILD_OS_ENV)
   AC_SUBST(OPENJDK_BUILD_CPU)
   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
   AC_SUBST(OPENJDK_BUILD_CPU_BITS)
   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
+  AC_SUBST(OPENJDK_BUILD_CPU_AUTOCONF)
   AC_SUBST(OPENJDK_BUILD_LIBC)
+  AC_SUBST(OPENJDK_BUILD_ABI)
 
   AC_MSG_CHECKING([openjdk-build os-cpu])
   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
@@ -297,6 +329,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
   PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
   PLATFORM_EXTRACT_VARS_FROM_LIBC($host_os)
+  PLATFORM_EXTRACT_VARS_FROM_ABI($host_os)
   # ... and setup our own variables. (Do this explicitly to facilitate searching)
   OPENJDK_TARGET_OS="$VAR_OS"
   if test "x$VAR_OS_TYPE" != x; then
@@ -313,8 +346,10 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
+  OPENJDK_TARGET_CPU_AUTOCONF="$host_cpu"
   OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
   OPENJDK_TARGET_LIBC="$VAR_LIBC"
+  OPENJDK_TARGET_ABI="$VAR_ABI"
 
   AC_SUBST(OPENJDK_TARGET_OS)
   AC_SUBST(OPENJDK_TARGET_OS_TYPE)
@@ -324,7 +359,9 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
   AC_SUBST(OPENJDK_TARGET_CPU_BITS)
   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
+  AC_SUBST(OPENJDK_TARGET_CPU_AUTOCONF)
   AC_SUBST(OPENJDK_TARGET_LIBC)
+  AC_SUBST(OPENJDK_TARGET_ABI)
 
   AC_MSG_CHECKING([openjdk-target os-cpu])
   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])