build: build gdb with tui mode enabled

This was acheived by forcing gdb to use our own static libncurses

Dockerfile

@@ -5,11 +5,16 @@ RUN apt update && apt install -y \
     g++ \
     g++-aarch64-linux-gnu \
     g++-arm-linux-gnueabi \
+    g++-mips-linux-gnu \
+    g++-mipsel-linux-gnu \
     g++-powerpc-linux-gnu \
     gcc \
     gcc-aarch64-linux-gnu \
     gcc-arm-linux-gnueabi \
+    gcc-mips-linux-gnu \
+    gcc-mipsel-linux-gnu \
     gcc-powerpc-linux-gnu \
+    libncurses-dev \
     m4  \
     make \
     patch \

Makefile

@@ -1,4 +1,4 @@
-ARCHS := x86_64 arm aarch64 powerpc
+ARCHS := x86_64 arm aarch64 powerpc mips mipsel
 TARGETS := $(addprefix build-, $(ARCHS))
 PACK_TARGETS := $(addprefix pack-, $(ARCHS))
 

src/build.sh

@@ -13,7 +13,7 @@ function set_compliation_variables() {
     # Returns:
     # 0: success
     # 1: failure
-    supported_archs=("arm" "aarch64" "powerpc" "x86_64")
+    supported_archs=("arm" "aarch64" "powerpc" "x86_64" "mips" "mipsel")
 
     local target_arch="$1"
 
@@ -33,6 +33,12 @@ function set_compliation_variables() {
     elif [[ "$target_arch" == "powerpc" ]]; then
         CROSS=powerpc-linux-gnu-
         export HOST=powerpc-linux-gnu
+    elif [[ "$target_arch" == "mips" ]]; then
+        CROSS=mips-linux-gnu-
+        export HOST=mips-linux-gnu
+    elif [[ "$target_arch" == "mipsel" ]]; then
+        CROSS=mipsel-linux-gnu-
+        export HOST=mipsel-linux-gnu
     elif [[ "$target_arch" == "x86_64" ]]; then
         CROSS=""
         export HOST=x86_64-linux-gnu
@@ -45,6 +51,17 @@ function set_compliation_variables() {
     export CXXFLAGS="-O2"
 }
 
+function set_ncurses_link_variables() {
+    # Set up ncurses library link variables
+    #
+    # Parameters:
+    # $1: ncursesw build dir
+    local ncursesw_build_dir="$1"
+
+    # Allow tui mode by adding our custom built static ncursesw library to the linker search path.
+    export LDFLAGS="-L$ncursesw_build_dir/lib $LDFLAGS"
+}
+
 function build_iconv() {
     # Build libiconv.
     #
@@ -146,6 +163,51 @@ function build_libgmp() {
     popd > /dev/null
 }
 
+function build_ncurses() {
+    # Build libncursesw.
+    #
+    # Parameters:
+    # $1: libncursesw package directory
+    # $2: target architecture
+    #
+    # Echoes:
+    # The libncursesw build directory
+    #
+    # Returns:
+    # 0: success
+    # 1: failure
+    local ncurses_dir="$1"
+    local target_arch="$2"
+    local ncurses_build_dir="$(realpath "$ncurses_dir/build-$target_arch")"
+
+    echo "$ncurses_build_dir"
+    mkdir -p "$ncurses_build_dir"
+
+    if [[ -f "$ncurses_build_dir/lib/libncursesw.a" ]]; then
+        >&2 echo "Skipping build: libncursesw already built for $target_arch"
+        return 0
+    fi
+
+    pushd "$ncurses_build_dir" > /dev/null
+
+    >&2 fancy_title "Building libncursesw for $target_arch"
+
+    ../configure --enable-static "CC=$CC" "CXX=$CXX" "--host=$HOST" \
+        "CFLAGS=$CFLAGS" "CXXFLAGS=$CXXFLAGS" "--enable-widec" 1>&2
+    if [[ $? -ne 0 ]]; then
+        return 1
+    fi
+
+    make -j$(nproc) 1>&2
+    if [[ $? -ne 0 ]]; then
+        return 1
+    fi
+
+    >&2 fancy_title "Finished building libncursesw for $target_arch"
+
+    popd > /dev/null
+}
+
 function build_libmpfr() {
     # Build libmpfr.
     #
@@ -236,7 +298,7 @@ function build_gdb() {
 
     >&2 fancy_title "Building gdb for $target_arch"
 
-    ../configure --enable-static --with-static-standard-libraries --disable-tui --disable-inprocess-agent \
+    ../configure --enable-static --enable-tui --with-static-standard-libraries --disable-inprocess-agent \
                  "--with-libiconv-prefix=$libiconv_prefix" --with-libiconv-type=static \
                  "--with-gmp=$libgmp_prefix" \
                  "--with-mpfr=$libmpfr_prefix" \
@@ -361,6 +423,13 @@ function build_gdb_with_dependencies() {
         return 1
     fi
 
+    ncursesw_build_dir="$(build_ncurses "$packages_dir/ncurses" "$target_arch")"
+    if [[ $? -ne 0 ]]; then
+        return 1
+    fi
+
+    set_ncurses_link_variables "$ncursesw_build_dir"
+
     build_and_install_gdb "$packages_dir/gdb" \
                       "$iconv_build_dir/lib/.libs/" \
                       "$gmp_build_dir/.libs/" \

src/download_packages.sh

@@ -10,6 +10,7 @@ PACKAGE_URLS=(
     "https://ftp.gnu.org/pub/gnu/gmp/gmp-6.3.0.tar.xz"
     "https://ftp.gnu.org/pub/gnu/mpfr/mpfr-4.2.1.tar.xz"
     "https://ftp.gnu.org/gnu/gdb/gdb-15.2.tar.xz"
+    "https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz"
 )
 
 function unpack_tarball() {