Set some CFLAGS, to make binaries more portable and lower size.

build-linux.sh

@@ -2,10 +2,15 @@
 set -e
 
 # Working Directories
-SRCDIR="$(pwd)/sources"
 BINDIR="$(pwd)/binaries"
+PCHDIR="$(pwd)/patches"
+SRCDIR="$(pwd)/sources"
 WRKDIR="$(pwd)"
 
+# Compiler Flags
+CFLAGS="-march=x86-64 -mtune=generic -O2 -s -pipe"
+CXXFLAGS="${CFLAGS}"
+
 # Binutils Settings
 BINUTILSDIR="${SRCDIR}/binutils"
 BINUTILSTAG="binutils-2_35"
@@ -36,9 +41,34 @@ ARCHS="i686 x86_64"
 GENERIC="generic-w64-mingw32"
 
 
+apply_patches()
+{
+    local PACKAGE="${1}"
+    local VERSION="${2}"
+    if [ -d "${PCHDIR}/${PACKAGE}/${VERSION}" ]; then
+        PATCHES="$(find ${PCHDIR}/${PACKAGE}/${VERSION} -name '*.diff' -o -name '*.patch' | sort -n)"
+        echo ">>> Applying custom patches ..."
+        for PATCH in ${PATCHES}; do
+            if [ -f "${PATCH}" ] && [ -r "${PATCH}" ]; then
+                for PREFIX in {0..5}; do
+                    if patch -i${PATCH} -p${PREFIX} --silent --dry-run >/dev/null; then
+                        patch -i${PATCH} -p${PREFIX} --silent
+                        echo ">>> Patch ${PATCH} applied ..."
+                        break;
+                    elif [ ${PREFIX} -ge 5 ]; then
+                        echo "Patch ${PATCH} does not fit. Failed applying patch ..."
+                        return 1
+                    fi
+                done
+            fi
+        done
+    fi
+}
+
 binutils_build()
 {
     for ARCH in ${ARCHS}; do
+        echo ">>> Building BINUTILS for ${ARCH} ..."
         [ -z ${CLEAN} ] || rm -rf ${BINUTILSDIR}/build-${ARCH}
         mkdir -p ${BINUTILSDIR}/build-${ARCH}
         cd ${BINUTILSDIR}/build-${ARCH}
@@ -50,6 +80,7 @@ binutils_build()
             --disable-multilib \
             --disable-nls \
             --disable-werror \
+            --enable-gold \
             --enable-lto \
             --enable-plugins
         make -j${CORES}
@@ -61,15 +92,18 @@ binutils_build()
 binutils_fetch()
 {
     if [ ! -d ${BINUTILSDIR} ]; then
+        echo ">>> Downloading BINUTILS ..."
         git clone ${BINUTILSVCS} ${BINUTILSDIR}
         cd ${BINUTILSDIR}
         git checkout tags/${BINUTILSTAG}
+        apply_patches ${BINUTILSDIR##*/} ${BINUTILSTAG}
         cd ${WRKDIR}
     fi
 }
 
 cmake_build()
 {
+    echo ">>> Building CMAKE ..."
     [ -z ${CLEAN} ] || rm -rf ${CMAKEDIR}/build-${GENERIC}
     mkdir -p ${CMAKEDIR}/build-${GENERIC}
     cd ${CMAKEDIR}/build-${GENERIC}
@@ -85,9 +119,11 @@ cmake_build()
 cmake_fetch()
 {
     if [ ! -d ${CMAKEDIR} ]; then
+        echo ">>> Downloading CMAKE ..."
         git clone ${CMAKEVCS} ${CMAKEDIR}
         cd ${CMAKEDIR}
         git checkout tags/${CMAKETAG}
+        apply_patches ${CMAKEDIR##*/} ${CMAKETAG}
         cd ${WRKDIR}
     fi
 }
@@ -95,6 +131,7 @@ cmake_fetch()
 gcc_build_phase1()
 {
     for ARCH in ${ARCHS}; do
+        echo ">>> Building GCC (phase1) for ${ARCH} ..."
         [ -z ${CLEAN} ] || rm -rf ${GCCDIR}/build-${ARCH}
         mkdir -p ${GCCDIR}/build-${ARCH}
         cd ${GCCDIR}/build-${ARCH}
@@ -125,6 +162,7 @@ gcc_build_phase1()
 gcc_build_phase2()
 {
     for ARCH in ${ARCHS}; do
+        echo ">>> Building GCC (phase2) for ${ARCH} ..."
         cd ${GCCDIR}/build-${ARCH}
         make -j${CORES}
         make install
@@ -135,9 +173,11 @@ gcc_build_phase2()
 gcc_fetch()
 {
     if [ ! -d ${GCCDIR} ]; then
+        echo ">>> Downloading GCC ..."
         git clone ${GCCVCS} ${GCCDIR}
         cd ${GCCDIR}
         git checkout tags/${GCCTAG}
+        apply_patches ${GCCDIR##*/} ${GCCTAG##*/}
         ./contrib/download_prerequisites
         cd ${WRKDIR}
     fi
@@ -146,6 +186,7 @@ gcc_fetch()
 mingw_build_crt()
 {
     for ARCH in ${ARCHS}; do
+        echo ">>> Building Mingw-w64 (CRT) for ${ARCH} ..."
         [ -z ${CLEAN} ] || rm -rf ${MINGWDIR}/mingw-w64-crt/build-${ARCH}
         mkdir -p ${MINGWDIR}/mingw-w64-crt/build-${ARCH}
         cd ${MINGWDIR}/mingw-w64-crt/build-${ARCH}
@@ -174,6 +215,7 @@ mingw_build_crt()
 
 mingw_build_headers()
 {
+    echo ">>> Building Mingw-w64 (headers) ..."
     [ -z ${CLEAN} ] || rm -rf ${MINGWDIR}/mingw-w64-headers/build-${GENERIC}
     mkdir -p ${MINGWDIR}/mingw-w64-headers/build-${GENERIC}
     cd ${MINGWDIR}/mingw-w64-headers/build-${GENERIC}
@@ -200,6 +242,7 @@ mingw_build_headers()
 mingw_build_libs()
 {
     for LIB in libmangle winstorecompat; do
+        echo ">>> Building Mingw-w64 (libs) for ${ARCH} ..."
         for ARCH in ${ARCHS}; do
             [ -z ${CLEAN} ] || rm -rf ${MINGWDIR}/mingw-w64-libraries/${LIB}/build-${ARCH}
             mkdir -p ${MINGWDIR}/mingw-w64-libraries/${LIB}/build-${ARCH}
@@ -222,6 +265,7 @@ mingw_build_tools()
 {
     for TOOL in gendef genidl genlib genpeimg widl; do
         for ARCH in ${ARCHS}; do
+            echo ">>> Building Mingw-w64 (tools) for ${ARCH} ..."
             [ -z ${CLEAN} ] || rm -rf ${MINGWDIR}/mingw-w64-tools/${TOOL}/build-${ARCH}
             mkdir -p ${MINGWDIR}/mingw-w64-tools/${TOOL}/build-${ARCH}
             cd ${MINGWDIR}/mingw-w64-tools/${TOOL}/build-${ARCH}
@@ -241,15 +285,18 @@ mingw_build_tools()
 mingw_fetch()
 {
     if [ ! -d ${MINGWDIR} ]; then
+        echo ">>> Downloading Mingw-w64 ..."
         git clone ${MINGWVCS} ${MINGWDIR}
         cd ${MINGWDIR}
         git checkout tags/${MINGWTAG}
+        apply_patches ${MINGWDIR##*/} ${MINGWTAG}
         cd ${WRKDIR}
     fi
 }
 
 ninja_build()
 {
+    echo ">>> Building NINJA ..."
     [ -z ${CLEAN} ] || rm -rf ${NINJADIR}/build-${GENERIC}
     mkdir -p ${NINJADIR}/build-${GENERIC}
     cd ${NINJADIR}/build-${GENERIC}
@@ -261,9 +308,11 @@ ninja_build()
 ninja_fetch()
 {
     if [ ! -d ${NINJADIR} ]; then
+        echo ">>> Downloading NINJA ..."
         git clone ${NINJAVCS} ${NINJADIR}
         cd ${NINJADIR}
         git checkout tags/${NINJATAG}
+        apply_patches ${NINJADIR##*/} ${NINJATAG}
         cd ${WRKDIR}
     fi
 }
@@ -283,6 +332,10 @@ fi
 mkdir -p ${BINDIR}
 mkdir -p ${SRCDIR}
 
+# Export compiler flags
+export CFLAGS
+export CXXFLAGS
+
 # Download Mingw-W64
 mingw_fetch
 
@@ -326,11 +379,11 @@ ninja_fetch
 ninja_build
 
 # Remove unneeded files to save disk space
-echo "Removing unneeded files to save disk space..."
+echo ">>> Removing unneeded files to save disk space ..."
 rm -rf ${BINDIR}/{doc,include,mingw,share/{bash-completion,emacs,gcc*,info,man,vim}}
 
 # Copy all scripts
-echo "Copying scripts..."
+echo ">>> Copying scripts ..."
 cp -apf ${WRKDIR}/scripts/* ${BINDIR}/
 
 # Save FBE version
@@ -340,5 +393,5 @@ cd ${WRKDIR}
 echo "${FBEVER}" > ${BINDIR}/Version
 
 # Prepare archive
-echo "Creating toolchain archive..."
-tar -I 'zstd -19' -cf fbe-${FBEVER}-linux.tar.zst -C ${BINDIR} .
+echo ">>> Creating toolchain archive ..."
+tar -I 'zstd -19' -cpf fbe-${FBEVER}-linux.tar.zst -C ${BINDIR} .

patches/binutils/binutils-2_35/001-enable-gold-on-mingw32.patch

@@ -0,0 +1,36 @@
+Though GOLD is not yet enabled for TDM-GCC, this patch will help
+
+From: J.M. Eubank <john@thesnappy.net>
+
+From
+   <https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-binutils/0001-enable-gold-on.mingw32.patch>
+---
+ 0 files changed
+
+diff --git a/configure b/configure
+index 6a9719f6..f07a3b7f 100755
+--- a/configure
++++ b/configure
+@@ -3001,6 +3001,7 @@ case "${ENABLE_GOLD}" in
+   yes|default)
+     # Check for ELF target.
+     is_elf=no
++    is_pe=no
+     case "${target}" in
+       *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
+       | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+@@ -3012,10 +3013,12 @@ case "${ENABLE_GOLD}" in
+           *)
+             is_elf=yes
+             ;;
+-        esac
++        esac;;
++      *-*-mingw*)
++        is_pe=yes;;
+     esac
+ 
+-    if test "$is_elf" = "yes"; then
++    if test "$is_elf" = "yes" -o "$is_pe" = "yes"; then
+       # Check for target supported by gold.
+       case "${target}" in
+         i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \

patches/gcc/gcc-9.3.0/001-make-gcc-relocatable.patch

@@ -0,0 +1,57 @@
+Make GCC fully relocatable, not searching any fixed paths
+
+From: J.M. Eubank <john@thesnappy.net>
+
+that aren't relative to the current installation path
+
+# HG changeset patch
+# Parent 2a1167ee4ed20c6ff3558a104218585837e9963f
+---
+ 0 files changed
+
+diff --git a/gcc/config/i386/mingw32.h b/gcc/config/i386/mingw32.h
+index 086c0e460..f0ceca42b 100644
+--- a/gcc/config/i386/mingw32.h
++++ b/gcc/config/i386/mingw32.h
+@@ -78,7 +78,7 @@ along with GCC; see the file COPYING3.  If not see
+ #endif
+ 
+ #undef NATIVE_SYSTEM_HEADER_COMPONENT
+-#define NATIVE_SYSTEM_HEADER_COMPONENT "MINGW"
++#undef NATIVE_SYSTEM_HEADER_DIR
+ 
+ #undef CPP_SPEC
+ #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
+@@ -183,17 +183,12 @@ along with GCC; see the file COPYING3.  If not see
+ 
+ /* Override startfile prefix defaults.  */
+ #ifndef STANDARD_STARTFILE_PREFIX_1
+-#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
++#define STANDARD_STARTFILE_PREFIX_1 ""
+ #endif
+ #ifndef STANDARD_STARTFILE_PREFIX_2
+ #define STANDARD_STARTFILE_PREFIX_2 ""
+ #endif
+ 
+-/* For native mingw-version we need to take care that NATIVE_SYSTEM_HEADER_DIR
+-   macro contains POSIX-style path.  See bug 52947.  */
+-#undef NATIVE_SYSTEM_HEADER_DIR
+-#define NATIVE_SYSTEM_HEADER_DIR "/mingw/include"
+-
+ /* Output STRING, a string representing a filename, to FILE.
+    We canonicalize it to be in Unix format (backslashes are replaced
+    forward slashes.  */
+diff --git a/gcc/incpath.c b/gcc/incpath.c
+index bcbe20829..c5d4453d8 100644
+--- a/gcc/incpath.c
++++ b/gcc/incpath.c
+@@ -183,8 +183,7 @@ add_standard_paths (const char *sysroot, const char *iprefix,
+ 	      str = concat (sysroot_no_trailing_dir_separator, p->fname, NULL);
+ 	      free (sysroot_no_trailing_dir_separator);
+ 	    }
+-	  else if (!p->add_sysroot && relocated
+-		   && !filename_ncmp (p->fname, cpp_PREFIX, cpp_PREFIX_len))
++	  if (relocated && !filename_ncmp (p->fname, cpp_PREFIX, cpp_PREFIX_len))
+ 	    {
+  	      static const char *relocated_prefix;
+ 	      char *ostr;

readme.md

@@ -0,0 +1,11 @@
+## FerretOS Build Environment (FBE)
+The FerretOS Build Environment (FBE) is the official build environment for compiling FerretOS.
+Currently, it is targeted at Linux only, however a Windows and FerretOS versions will be available
+in the future as well.
+
+This software includes:
+ * Binutils
+ * GCC
+ * Mingw-w64
+ * CMake
+ * Ninja

scripts/fbe.sh

@@ -34,5 +34,11 @@ export PATH="${FBEDIR}/bin:${PATH}"
 # Display banner
 version
 
-# Invoke shell
-bash --rcfile <(echo 'cd ${SRCDIR}')
+# Invoke shell with fancy prompt
+export PFMAT1="\[\033[0;1;97;44m\]"
+export PFMAT2="\[\033[0;34;104m\]"
+export PFMAT3="\[\033[0;1;97;104m\]"
+export PFMAT4="\[\033[0;94;49m\]"
+export PFMAT5="\[\033[1;38;5;74m\]"
+export PROMPT="\n${PFMAT1} FerretOS BE ${PFMAT2}${PFMAT3} \w ${PFMAT4}${PFMAT5} "
+bash --rcfile <(echo 'source ~/.bashrc && export PS1="${PROMPT}" && cd ${SRCDIR}')