Re-enable linux ARM builds for CPython and numpy

.github/workflows/cpython.yml

@@ -21,10 +21,10 @@ jobs:
 #    runs-on: ubuntu-20.04
 #    steps:
 #      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
-#  linux-arm64:
-#    runs-on: ubuntu-20.04
-#    steps:
-#      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
+  linux-arm64:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
 #  linux-ppc64le:
 #    runs-on: ubuntu-20.04
 #    steps:
@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: bytedeco/javacpp-presets/.github/actions/deploy-windows@actions
   redeploy:
-    needs: [linux-x86_64, macosx-x86_64, windows-x86_64]
+    needs: [linux-arm64, linux-x86_64, macosx-x86_64, windows-x86_64]
 #    needs: [linux-armhf, linux-arm64, linux-ppc64le, linux-x86, linux-x86_64, macosx-x86_64, windows-x86, windows-x86_64]
     runs-on: ubuntu-20.04
     steps:

.github/workflows/numpy.yml

@@ -22,10 +22,10 @@ jobs:
 #    runs-on: ubuntu-20.04
 #    steps:
 #      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
-#  linux-arm64:
-#    runs-on: ubuntu-20.04
-#    steps:
-#      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
+  linux-arm64:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: bytedeco/javacpp-presets/.github/actions/deploy-ubuntu@actions
 #  linux-ppc64le:
 #    runs-on: ubuntu-20.04
 #    steps:
@@ -51,7 +51,7 @@ jobs:
     steps:
       - uses: bytedeco/javacpp-presets/.github/actions/deploy-windows@actions
   redeploy:
-    needs: [linux-x86_64, macosx-x86_64, windows-x86_64]
+    needs: [linux-arm64, linux-x86_64, macosx-x86_64, windows-x86_64]
 #    needs: [linux-armhf, linux-arm64, linux-ppc64le, linux-x86, linux-x86_64, macosx-x86_64, windows-x86, windows-x86_64]
     runs-on: ubuntu-20.04
     steps:

CHANGELOG.md

@@ -1,4 +1,5 @@
 
+ * Reenable `linux-arm64` builds for CPython and NumPy ([pull #1386](https://github.com/bytedeco/javacpp-presets/pull/1386)
  * Enable Vulkan GPU acceleration for FFmpeg ([pull #1460](https://github.com/bytedeco/javacpp-presets/pull/1460))
  * Include `timeapi.h` for system API of Windows ([pull #1447](https://github.com/bytedeco/javacpp-presets/pull/1447))
  * Add Android and Windows builds to presets for DepthAI ([pull #1441](https://github.com/bytedeco/javacpp-presets/pull/1441))

cpython/cppbuild.sh

@@ -24,6 +24,9 @@ patch -Np1 --binary < ../../../cpython-windows.patch
 
 case $PLATFORM in
     linux-armhf)
+        # armhf builds are no longer guaranteed to succeed.
+        # If they are needed, look at the configure command for arm64
+        # and try any options that are missing from here
         HOST_ARCH="$(uname -m)"
         CROSSCOMPILE=1
         if [[ $HOST_ARCH == *"arm"* ]]
@@ -49,12 +52,16 @@ case $PLATFORM in
         make install_sw
         make distclean
         cd ../Python-$CPYTHON_VERSION
-        ./configure --prefix=$INSTALL_PATH/host --with-system-ffi --with-openssl=$INSTALL_PATH/host
+        # ac_cv_buggy_getaddrinfo=no disables the runtime ./configure checks for ipv6 support
+        # Without it, the build fails because it can't detect ipv6 on the host. Needed on both host and cross-compiled builds
+        ./configure --prefix=$INSTALL_PATH/host --with-system-ffi --with-openssl=$INSTALL_PATH/host ac_cv_buggy_getaddrinfo=no
         make -j $MAKEJ
         make install
         make distclean
         export PATH=$INSTALL_PATH/host/bin/:$PATH
-        CC="arm-linux-gnueabihf-gcc -std=c99" ./configure --prefix=$INSTALL_PATH --host=arm-linux-gnueabihf --build=$(uname -m)-pc-linux-gnu --enable-shared --with-system-ffi --with-openssl=$INSTALL_PATH LDFLAGS='-s -Wl,-rpath,\$$ORIGIN/,-rpath,\$$ORIGIN/../,-rpath,\$$ORIGIN/../lib/' --with-build-python=$INSTALL_PATH/host/bin/python3 $INSTALL_PATH/host ac_cv_working_openssl_hashlib=yes ac_cv_working_openssl_ssl=yes
+        # ac_cv_file__dev_ptmx=yes and ac_cv_file__dev_ptc=no are required for cross-compilation as stated by the configure script,
+        # but little information is known about them
+        CC="arm-linux-gnueabihf-gcc -std=c99" ./configure --prefix=$INSTALL_PATH --host=arm-linux-gnueabihf --build=$(uname -m)-pc-linux-gnu --enable-shared --with-system-ffi --with-openssl=$INSTALL_PATH LDFLAGS='-s -Wl,-rpath,\$$ORIGIN/,-rpath,\$$ORIGIN/../,-rpath,\$$ORIGIN/../lib/' --with-build-python=$INSTALL_PATH/host/bin/python3 $INSTALL_PATH/host ac_cv_working_openssl_hashlib=yes ac_cv_working_openssl_ssl=yes ac_cv_buggy_getaddrinfo=no ac_cv_file__dev_ptmx=yes ac_cv_file__dev_ptc=no
         make -j $MAKEJ
         make install
         ;;
@@ -70,12 +77,22 @@ case $PLATFORM in
         make install_sw
         make distclean
         cd ../Python-$CPYTHON_VERSION
-        ./configure --prefix=$INSTALL_PATH/host --with-system-ffi --with-openssl=$INSTALL_PATH/host
+        # ac_cv_buggy_getaddrinfo=no disables the runtime ./configure checks for ipv6 support
+        # Without it, the build fails because it can't detect ipv6 on the host. Needed on both host and cross-compiled builds
+        ./configure --prefix=$INSTALL_PATH/host --with-system-ffi --with-openssl=$INSTALL_PATH/host ac_cv_buggy_getaddrinfo=no
         make -j $MAKEJ
         make install
         make distclean
         export PATH=$INSTALL_PATH/host/bin/:$PATH
-        CC="aarch64-linux-gnu-gcc -mabi=lp64 $CFLAGS" ./configure --prefix=$INSTALL_PATH --host=aarch64-linux-gnu --build=$(uname -m)-pc-linux-gnu --enable-shared --with-system-ffi --with-openssl=$INSTALL_PATH LDFLAGS='-s -Wl,-rpath,\$$ORIGIN/,-rpath,\$$ORIGIN/../,-rpath,\$$ORIGIN/../lib/' --with-build-python=$INSTALL_PATH/host/bin/python3 ac_cv_working_openssl_hashlib=yes ac_cv_working_openssl_ssl=yes
+        # ac_cv_file__dev_ptmx=yes and ac_cv_file__dev_ptc=no are required for cross-compilation as stated by the configure script,
+        # but little information is known about them.
+        # /dev/ptmx is the pseudoterminal master file, reading from it generates a new file descriptor
+        # to use with a corresponding /dev/pts/ pseudoterminal
+        # See man 4 ptmx
+        # No information on /dev/ptc could be found.
+        # The above configure options specify whether the corresponding device files
+        # are expected to be found on the target machine.
+        CC="aarch64-linux-gnu-gcc -mabi=lp64 $CFLAGS" ./configure --prefix=$INSTALL_PATH --host=aarch64-linux-gnu --build=$(uname -m)-pc-linux-gnu --enable-shared --with-system-ffi --with-openssl=$INSTALL_PATH LDFLAGS='-s -Wl,-rpath,\$$ORIGIN/,-rpath,\$$ORIGIN/../,-rpath,\$$ORIGIN/../lib/' --with-build-python=$INSTALL_PATH/host/bin/python3 ac_cv_working_openssl_hashlib=yes ac_cv_working_openssl_ssl=yes ac_cv_buggy_getaddrinfo=no ac_cv_file__dev_ptmx=yes ac_cv_file__dev_ptc=no
         make -j $MAKEJ
         make install
         ;;

cpython/platform/pom.xml

@@ -36,12 +36,12 @@
 <!--      <version>${project.version}</version>-->
 <!--      <classifier>${javacpp.platform.linux-armhf}</classifier>-->
 <!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>${project.groupId}</groupId>-->
-<!--      <artifactId>${javacpp.moduleId}</artifactId>-->
-<!--      <version>${project.version}</version>-->
-<!--      <classifier>${javacpp.platform.linux-arm64}</classifier>-->
-<!--    </dependency>-->
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>${javacpp.moduleId}</artifactId>
+      <version>${project.version}</version>
+      <classifier>${javacpp.platform.linux-arm64}</classifier>
+    </dependency>
 <!--    <dependency>-->
 <!--      <groupId>${project.groupId}</groupId>-->
 <!--      <artifactId>${javacpp.moduleId}</artifactId>-->
@@ -136,7 +136,7 @@
                   <moduleInfoSource>
                     module org.bytedeco.${javacpp.moduleId}.platform {
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.armhf;
-//                      requires static org.bytedeco.${javacpp.moduleId}.linux.arm64;
+                      requires static org.bytedeco.${javacpp.moduleId}.linux.arm64;
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.ppc64le;
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.x86;
                       requires static org.bytedeco.${javacpp.moduleId}.linux.x86_64;

numpy/cppbuild.sh

@@ -102,6 +102,9 @@ if ! $PYTHON_BIN_PATH -m pip install --target=$PYTHON_LIB_PATH $TOOLS; then
     echo "extra_link_args = -lgfortran"           >> site.cfg
     chmod +x "$CPYTHON_HOST_PATH/bin/python3.12"
     export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$CPYTHON_HOST_PATH/lib/:$CPYTHON_HOST_PATH"
+
+    # crossenv 1.4 for python 3.11+ support.
+    # See https://github.com/bytedeco/javacpp-presets/issues/1381
     "$CPYTHON_HOST_PATH/bin/python3.12" -m pip install --target="$CPYTHON_HOST_PATH/lib/python3.12/" crossenv==1.4 $TOOLS
     "$CPYTHON_HOST_PATH/bin/python3.12" -m crossenv "$PYTHON_BIN_PATH" crossenv
     source crossenv/bin/activate
@@ -117,6 +120,8 @@ case $PLATFORM in
         arm-linux-gnueabihf-strip $(find ../ -iname *.so)
         ;;
     linux-arm64)
+        rm -f meson.build pyproject.toml
+        mv pyproject.toml.setuppy pyproject.toml
         ATLAS=None CC="aarch64-linux-gnu-gcc -mabi=lp64" CFLAGS="-O2" "$PYTHON_BIN_PATH" -m pip install . --prefix $INSTALL_PATH
         aarch64-linux-gnu-strip $(find ../ -iname *.so)
         ;;

numpy/platform/pom.xml

@@ -41,12 +41,12 @@
 <!--      <version>${project.version}</version>-->
 <!--      <classifier>${javacpp.platform.linux-armhf}</classifier>-->
 <!--    </dependency>-->
-<!--    <dependency>-->
-<!--      <groupId>${project.groupId}</groupId>-->
-<!--      <artifactId>${javacpp.moduleId}</artifactId>-->
-<!--      <version>${project.version}</version>-->
-<!--      <classifier>${javacpp.platform.linux-arm64}</classifier>-->
-<!--    </dependency>-->
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>${javacpp.moduleId}</artifactId>
+      <version>${project.version}</version>
+      <classifier>${javacpp.platform.linux-arm64}</classifier>
+    </dependency>
 <!--    <dependency>-->
 <!--      <groupId>${project.groupId}</groupId>-->
 <!--      <artifactId>${javacpp.moduleId}</artifactId>-->
@@ -141,7 +141,7 @@
                   <moduleInfoSource>
                     module org.bytedeco.${javacpp.moduleId}.platform {
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.armhf;
-//                      requires static org.bytedeco.${javacpp.moduleId}.linux.arm64;
+                      requires static org.bytedeco.${javacpp.moduleId}.linux.arm64;
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.ppc64le;
 //                      requires static org.bytedeco.${javacpp.moduleId}.linux.x86;
                       requires static org.bytedeco.${javacpp.moduleId}.linux.x86_64;