complibs: add frontends for building to run on the build machine

In canadian-cross, we need the companion libraries running on the
build machine, to be able to build the two core gcc.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

scripts/build/companion_libs/cloog.sh

@@ -4,6 +4,7 @@
 
 do_cloog_get() { :; }
 do_cloog_extract() { :; }
+do_cloog_for_build() { :; }
 do_cloog_for_host() { :; }
 
 # Overide functions depending on configuration
@@ -33,6 +34,28 @@ do_cloog_extract() {
     fi
 }
 
+# Build CLooG/PPL for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_cloog_for_build() {
+    local -a cloog_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing CLooG/PPL for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-cloog-ppl-build-${CT_BUILD}"
+
+    cloog_opts+=( "host=${CT_BUILD}" )
+    cloog_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_cloog_backend "${cloog_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build CLooG/PPL for running on host
 do_cloog_for_host() {
     local -a cloog_opts

scripts/build/companion_libs/gmp.sh

@@ -4,6 +4,7 @@
 
 do_gmp_get() { :; }
 do_gmp_extract() { :; }
+do_gmp_for_build() { :; }
 do_gmp_for_host() { :; }
 
 # Overide functions depending on configuration
@@ -20,6 +21,28 @@ do_gmp_extract() {
     CT_Patch "gmp" "${CT_GMP_VERSION}"
 }
 
+# Build GMP for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_gmp_for_build() {
+    local -a gmp_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing GMP for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-gmp-build-${CT_BUILD}"
+
+    gmp_opts+=( "host=${CT_BUILD}" )
+    gmp_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_gmp_backend "${gmp_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build GMP for running on host
 do_gmp_for_host() {
     local -a gmp_opts

scripts/build/companion_libs/libelf.sh

@@ -2,6 +2,7 @@
 
 do_libelf_get() { :; }
 do_libelf_extract() { :; }
+do_libelf_for_build() { :; }
 do_libelf_for_host() { :; }
 do_libelf_for_target() { :; }
 
@@ -21,6 +22,28 @@ do_libelf_extract() {
 
 if [ "${CT_LIBELF}" = "y" ]; then
 
+# Build libelf for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_libelf_for_build() {
+    local -a libelf_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing libelf for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-build-${CT_BUILD}"
+
+    libelf_opts+=( "host=${CT_BUILD}" )
+    libelf_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_libelf_backend "${libelf_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build libelf for running on host
 do_libelf_for_host() {
     local -a libelf_opts

scripts/build/companion_libs/mpc.sh

@@ -4,6 +4,7 @@
 
 do_mpc_get() { :; }
 do_mpc_extract() { :; }
+do_mpc_for_build() { :; }
 do_mpc_for_host() { :; }
 
 # Overide functions depending on configuration
@@ -21,6 +22,28 @@ do_mpc_extract() {
     CT_Patch "mpc" "${CT_MPC_VERSION}"
 }
 
+# Build MPC for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_mpc_for_build() {
+    local -a mpc_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing MPC for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-mpc-build-${CT_BUILD}"
+
+    mpc_opts+=( "host=${CT_BUILD}" )
+    mpc_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_mpc_backend "${mpc_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build MPC for running on host
 do_mpc_for_host() {
     local -a mpc_opts

scripts/build/companion_libs/mpfr.sh

@@ -4,6 +4,7 @@
 
 do_mpfr_get() { :; }
 do_mpfr_extract() { :; }
+do_mpfr_for_build() { :; }
 do_mpfr_for_host() { :; }
 
 # Overide function depending on configuration
@@ -63,6 +64,28 @@ do_mpfr_extract() {
     esac
 }
 
+# Build MPFR for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_mpfr_for_build() {
+    local -a mpfr_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing MPFR for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-mpfr-build-${CT_BUILD}"
+
+    mpfr_opts+=( "host=${CT_BUILD}" )
+    mpfr_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_mpfr_backend "${mpfr_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build MPFR for running on host
 do_mpfr_for_host() {
     local -a mpfr_opts

scripts/build/companion_libs/ppl.sh

@@ -4,6 +4,7 @@
 
 do_ppl_get() { :; }
 do_ppl_extract() { :; }
+do_ppl_for_build() { :; }
 do_ppl_for_host() { :; }
 
 # Overide functions depending on configuration
@@ -23,6 +24,28 @@ do_ppl_extract() {
     CT_Patch "ppl" "${CT_PPL_VERSION}"
 }
 
+# Build PPL for running on build
+# - always build statically
+# - we do not have build-specific CFLAGS
+# - install in build-tools prefix
+do_ppl_for_build() {
+    local -a ppl_opts
+
+    case "${CT_TOOLCHAIN_TYPE}" in
+        native|cross)   return 0;;
+    esac
+
+    CT_DoStep INFO "Installing PPL for build"
+    CT_mkdir_pushd "${CT_BUILD_DIR}/build-ppl-build-${CT_BUILD}"
+
+    ppl_opts+=( "host=${CT_BUILD}" )
+    ppl_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
+    do_ppl_backend "${ppl_opts[@]}"
+
+    CT_Popd
+    CT_EndStep
+}
+
 # Build PPL for running on host
 do_ppl_for_host() {
     local -a ppl_opts