From 03f5acb3915d87c3e57eb187ac2405a981020073 Mon Sep 17 00:00:00 2001
From: Shengwen Cheng <shengwen1997.tw@gmail.com>
Date: Sun, 16 Jun 2024 15:44:43 +0800
Subject: [PATCH] Build DirectFB2

---
 patches/riscv-directfb2.patch | 12 ++++++++++++
 scripts/build-image.sh        | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 patches/riscv-directfb2.patch

diff --git a/patches/riscv-directfb2.patch b/patches/riscv-directfb2.patch
new file mode 100644
index 0000000..805bcf8
--- /dev/null
+++ b/patches/riscv-directfb2.patch
@@ -0,0 +1,12 @@
+diff --git a/lib/direct/os/linux/system.c b/lib/direct/os/linux/system.c
+index fffc495b2..9d871da74 100644
+--- a/lib/direct/os/linux/system.c
++++ b/lib/direct/os/linux/system.c
+@@ -1,3 +1,6 @@
++#ifndef __NR_futex
++#define __NR_futex __NR_futex_time64
++#endif
+ /*
+    This file is part of DirectFB.
+ 
+ 
\ No newline at end of file
diff --git a/scripts/build-image.sh b/scripts/build-image.sh
index 5e5c82c..748d4d9 100755
--- a/scripts/build-image.sh
+++ b/scripts/build-image.sh
@@ -38,16 +38,49 @@ function do_buildroot
 function do_linux
 {
     ASSERT git clone https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git -b linux-6.1.y --depth=1
+    mkdir -p linux/out
     cp -f configs/linux.config linux/.config
     export PATH="$PWD/buildroot/output/host/bin:$PATH"
     export CROSS_COMPILE=riscv32-buildroot-linux-gnu-
     export ARCH=riscv
+    export INSTALL_MOD_PATH="out"
     pushd linux
     ASSERT make olddefconfig
     ASSERT make $PARALLEL
+    ASSERT make modules_install
     cp -f arch/riscv/boot/Image ../Image
     popd
 }
 
+function do_directfb
+{
+    mkdir -p directfb
+    ASSERT git clone https://github.com/directfb2/DirectFB2.git
+    export PATH=$PATH:$PWD/buildroot/output/host/bin
+    export BUILDROOT_OUT=$PWD/buildroot/output/
+    pushd DirectFB2
+    git apply ../patches/riscv-directfb2.patch
+    ASSERT wget https://gist.githubusercontent.com/shengwen-tw/098da8c41ba7fbb9162ddaa4ff62b29e/raw/5ab962990d19a8bd1a8f378ef9b0b0ef1c5fb36a/riscv-cross-file
+    ASSERT meson --cross-file riscv-cross-file build/riscv
+    ASSERT meson compile -C build/riscv
+    DESTDIR=$BUILDROOT_OUT/host/riscv32-buildroot-linux-gnu/sysroot meson install -C build/riscv
+    DESTDIR=../../../directfb meson install -C build/riscv
+    popd
+}
+
+function do_directfb_examples
+{
+    ASSERT git clone https://github.com/directfb2/DirectFB-examples.git
+    export PATH=$PATH:$PWD/buildroot/output/host/bin
+    pushd DirectFB-examples/
+    ASSERT wget https://gist.githubusercontent.com/shengwen-tw/098da8c41ba7fbb9162ddaa4ff62b29e/raw/5ab962990d19a8bd1a8f378ef9b0b0ef1c5fb36a/riscv-cross-file
+    ASSERT meson --cross-file riscv-cross-file build/riscv
+    ASSERT meson compile -C build/riscv
+    DESTDIR=../../../directfb meson install -C build/riscv
+    popd
+}
+
 do_buildroot && OK
 do_linux && OK
+do_directfb && OK
+do_directfb_examples && OK