Improve build script

build.sh

@@ -69,18 +69,19 @@ export BUILD_MACHINE_TRIPLET=$(gcc -dumpmachine)
 export TARGET_MACHINE_TRIPLET=$LFS_TGT
 
 # Create the target directory
-mkdir -p "$LFS"
 export STEPS_DIR="$LFS/../steps/"
-mkdir -vp "$STEPS_DIR"
+export LFS_BUILD="$LFS/../build/"
-
 export LFS_TOOLS="$LFS/tools"
+
+mkdir -p "$LFS"
+mkdir -vp "$STEPS_DIR"
 mkdir -vp "$LFS_TOOLS"
+mkdir -vp "$LFS_BUILD"
 
 export PATH="$LFS_TOOLS/bin/:$PATH"
 
-export LFS_BUILD="$LFS/../"
-
 unset CFLAGS
+unset LDFLAGS
 
 # Create a directory layout
 if [ ! -d "$LFS/etc" ]; then
@@ -90,9 +91,9 @@ if [ ! -d "$LFS/etc" ]; then
         ln -sv usr/$i $LFS/$i
     done
 
-    case $ARCH in
+    #case $ARCH in
-        x86_64) mkdir -pv $LFS/lib64 ;;
+    #    x86_64) mkdir -pv $LFS/lib64 ;;
-    esac
+    #esac
 fi
 
 # Build binutils
@@ -146,9 +147,12 @@ if [ ! -f "$STEPS_DIR/linux-headers" ]; then
     touch "$STEPS_DIR/linux-headers"
 fi
 
+export CFLAGS="$CFLAGS -static "
+export LDFLAGS="$LDFLAGS -Bstatic "
+
 # Build gcc
 if [ ! -f "$STEPS_DIR/gcc-step1" ]; then
-    bash unpack-gcc.sh
+    bash unpack-gcc.sh "$LFS_BUILD/"
     cd "$LFS_BUILD/gcc/"
 
 #    # On x86_64 hosts, set the default directory name for 64-bit libraries to “lib”
@@ -159,8 +163,8 @@ if [ ! -f "$STEPS_DIR/gcc-step1" ]; then
 #    ;;
 #    esac
 
-    mkdir -vp build
+    mkdir -vp build-step1
-    cd        build
+    cd        build-step1
 
     "../configure"                       \
         --target=$LFS_TGT                \
@@ -207,9 +211,10 @@ export AR="$LFS_TGT-ar"
 export RANLIB="$LFS_TGT-ranlib"
 export STRIP="$LFS_TGT-strip"
 export OBJDUMP="$LFS_TGT-objdump"
+export LDFLAGS=" -Bstatic "
 # remove hardening options for building libraries
-export CFLAGS="-U_FORTIFY_SOURCE -O2"
+export CFLAGS="-U_FORTIFY_SOURCE -O2 -static"
-export CPPFLAGS="-U_FORTIFY_SOURCE -O2"
+export CPPFLAGS="-U_FORTIFY_SOURCE -O2 -static"
 export LD_LIBRARY_PATH_old="$LD_LIBRARY_PATH"
 unset LD_LIBRARY_PATH
 
@@ -303,17 +308,15 @@ unset RANLIB
 unset STRIP
 unset OBJDUMP
 export LD_LIBRARY_PATH="$LD_LIBRARY_PATH_old"
+export CFLAGS="-static "
+export LDFLAGS="-Bstatic "
 
 if [ ! -f "$STEPS_DIR/gcc-step2" ]; then
-    #if [ ! -d "$LFS_BUILD/gcc/build" ]; then
+    bash unpack-gcc.sh "$LFS_BUILD/"
-    #    echo "'$LFS_BUILD/gcc/build' directory is supposed to exist. Error."
-    #    exit 1
-    #fi
-    #cd "$LFS_BUILD/gcc/build"
     cd "$LFS_BUILD/gcc"
 
-    mkdir -vp build
+    mkdir -vp build-step2
-    cd  build
+    cd        build-step2
 
     # ../configure is already done
     "../configure"                       \
@@ -360,6 +363,8 @@ fi
 #export CPPFLAGS="-U_FORTIFY_SOURCE -O2"
 #export LD_LIBRARY_PATH_old="$LD_LIBRARY_PATH"
 #unset LD_LIBRARY_PATH
+unset CFLAGS
+unset LDFLAGS
 
 if [ ! -f "$STEPS_DIR/glibc-step2" ]; then
     if [ ! -d "$LFS_BUILD/glibc/build" ]; then
@@ -389,14 +394,16 @@ fi
 #unset RANLIB
 #unset OBJDUMP
 #export LD_LIBRARY_PATH="$LD_LIBRARY_PATH_old"
+export CFLAGS="-static "
+export LDFLAGS="-Bstatic "
 
 # build the rest of gcc
 if [ ! -f "$STEPS_DIR/gcc-step3" ]; then
-    if [ ! -d "$LFS_BUILD/gcc/build" ]; then
+    bash unpack-gcc.sh "$LFS_BUILD/"
-        echo "'$LFS_BUILD/gcc/build' directory is supposed to exist. Error."
+    cd "$LFS_BUILD/gcc/"
-        exit 1
+    
-    fi
+    mkdir -vp build-step3
-    cd "$LFS_BUILD/gcc/build"
+    cd        build-step3
 
     "../configure"                       \
         --target=$LFS_TGT                \

unpack-gcc.sh

@@ -1,18 +1,35 @@
-if [ ! -d "$LFS_BUILD/gcc" ]; then
+export GCC_SOURCE_DIR=$1
+
+if [ ! -d "$GCC_SOURCE_DIR/gcc" ]; then
     tar -xzf "$BASE_DIR/sources/gcc-14.2.0.tar.gz"
-    mv "gcc-14.2.0" "$LFS_BUILD/gcc"
+    mv "gcc-14.2.0" "$GCC_SOURCE_DIR/gcc"
 fi
-cd "$LFS_BUILD/gcc/"
+cd "$GCC_SOURCE_DIR/gcc/"
+
+if [ ! -d "mpfr" ]; then
     tar -xf "$BASE_DIR/sources/mpfr-4.2.1.tar.xz"
     mv -v mpfr-4.2.1 mpfr
+fi
+
+if [ ! -d "gmp" ]; then
     tar -xf "$BASE_DIR/sources/gmp-6.3.0.tar.xz"
     mv -v gmp-6.3.0 gmp
+fi
+
+if [ ! -d "mpc" ]; then
     tar -xf "$BASE_DIR/sources/mpc-1.3.1.tar.gz"
     mv -v mpc-1.3.1 mpc
+fi
+
+if [ ! -d "isl" ]; then
     tar -xf "$BASE_DIR/sources/isl-0.27.tar.gz"
     mv -v isl-0.27 isl
+fi
+
+if [ ! -d "cloog" ]; then
     tar -xf "$BASE_DIR/sources/cloog-0.18.4.tar.gz"
     mv -v cloog-0.18.4 cloog
+fi
 
 # On x86_64 hosts, set the default directory name for 64-bit libraries to “lib”
 #case $(uname -m) in
@@ -21,5 +38,3 @@ mv -v cloog-0.18.4 cloog
 #        -i.orig gcc/config/i386/t-linux64
 #;;
 #esac
-
-cd "$BASE_DIR"