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System File Chooser: Linux: cross-compile native library for ARM64 on x86_64 Linux

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This commit is contained in:
Karl Tauber
2025-01-19 16:11:42 +01:00
parent 0a4c01cd40
commit d524536575
8 changed files with 96 additions and 4 deletions
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10
flatlaf-natives/flatlaf-natives-linux/README.md
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@@ -43,6 +43,16 @@ Only on x86_64 Linux for cross-compiling for arm64 architecture:
sudo apt install g++-aarch64-linux-gnu
~~~
Download `libgtk-3.so` for arm64 architecture:
~~~
cd flatlaf-natives/flatlaf-natives-linux/lib/aarch64
wget --no-verbose https://ports.ubuntu.com/pool/main/g/gtk%2b3.0/libgtk-3-0_3.24.18-1ubuntu1_arm64.deb
ar -x libgtk-3-0_3.24.18-1ubuntu1_arm64.deb data.tar.xz
tar -xvf data.tar.xz --wildcards --to-stdout "./usr/lib/aarch64-linux-gnu/libgtk-3.so.0.*" > libgtk-3.so
rm libgtk-3-0_3.24.18-1ubuntu1_arm64.deb data.tar.xz
~~~
### Fedora

17
flatlaf-natives/flatlaf-natives-linux/build.gradle.kts
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@@ -149,7 +149,20 @@ tasks {
"-I", "${javaHome}/include/linux",
"-I", "$include",
// for GTK
"-I", "/usr/include/gtk-3.0",
"-I", "/usr/include/glib-2.0",
"-I", "/usr/lib/x86_64-linux-gnu/glib-2.0/include",
"-I", "/usr/include/gdk-pixbuf-2.0",
"-I", "/usr/include/atk-1.0",
"-I", "/usr/include/cairo",
"-I", "/usr/include/pango-1.0",
"-I", "/usr/include/harfbuzz",
"$src/ApiVersion.cpp",
"$src/GtkFileChooser.cpp",
"$src/GtkMessageDialog.cpp",
"$src/JNIUtils.cpp",
"$src/X11WmUtils.cpp",
)
}
@@ -173,10 +186,14 @@ tasks {
"-o", "$outDir/$libraryName",
"$objDir/ApiVersion.o",
"$objDir/GtkFileChooser.o",
"$objDir/GtkMessageDialog.o",
"$objDir/JNIUtils.o",
"$objDir/X11WmUtils.o",
"-L${layout.projectDirectory}/lib/aarch64",
"-ljawt",
"-lgtk-3",
)
doLast {

17
flatlaf-natives/flatlaf-natives-linux/src/main/cpp/JNIUtils.cpp
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@@ -17,6 +17,7 @@
// avoid inlining of printf()
#define _NO_CRT_STDIO_INLINE
#include <dlfcn.h>
#include "JNIUtils.h"
/**
@@ -35,3 +36,19 @@ AutoReleaseStringUTF8::~AutoReleaseStringUTF8() {
if( chars != NULL )
env->ReleaseStringUTFChars( javaString, chars );
}
//---- JNI methods ------------------------------------------------------------
extern "C"
JNIEXPORT jboolean JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_isLibAvailable
( JNIEnv* env, jclass cls, jstring libname )
{
AutoReleaseStringUTF8 clibname( env, libname );
void* lib = dlopen( clibname, RTLD_LAZY );
if( lib == NULL )
return false;
dlclose( lib );
return true;
}

8
flatlaf-natives/flatlaf-natives-linux/src/main/headers/com_formdev_flatlaf_ui_FlatNativeLinuxLibrary.h
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@@ -37,6 +37,14 @@ JNIEXPORT jboolean JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_xM
JNIEXPORT jboolean JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_xShowWindowMenu
(JNIEnv *, jclass, jobject, jint, jint);
/*
* Class: com_formdev_flatlaf_ui_FlatNativeLinuxLibrary
* Method: isLibAvailable
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_isLibAvailable
(JNIEnv *, jclass, jstring);
/*
* Class: com_formdev_flatlaf_ui_FlatNativeLinuxLibrary
* Method: showFileChooser