libfloat is a component by itself, not a sup-part of the C library.

1 files changed, 73 insertions, 0 deletions

diff --git a/scripts/build/libfloat.sh b/scripts/build/libfloat.sh
new file mode 100644
index 0000000..70b95c2
--- /dev/null
+++ b/scripts/build/libfloat.sh
@@ -0,0 +1,73 @@
+# This file adds functions to build libfloat
+# Copyright 2007 Yann E. MORIN
+# Licensed under the GPL v2. See COPYING in the root of this package
+
+# Define libfloat functions depending on wether it is selected or not
+if [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ]; then
+
+# Download libfloat
+do_libfloat_get() {
+    # Please note: because the file we download, and the file we store on the
+    # file system don't have the same name, CT_GetFile will always try to
+    # download the file over and over.
+    # To avoid this, we check that the file we want already exists in the
+    # tarball directory first. This is an ugly hack that overrides the standard
+    # CT_GetFile behavior... Sight...
+    lib_float_url="ftp://ftp.de.debian.org/debian/pool/main/libf/libfloat/"
+    ext=`CT_GetFileExtension "${CT_LIBFLOAT_FILE}"`
+    if [ -z "${ext}" ]; then
+        CT_GetFile libfloat_990616.orig "${lib_float_url}"
+        ext=`CT_GetFileExtension "libfloat_990616.orig"`
+        # Hack: remove the .orig extension, and change _ to -
+        mv -v "${CT_TARBALLS_DIR}/libfloat_990616.orig${ext}" \
+              "${CT_TARBALLS_DIR}/libfloat-990616${ext}"      2>&1 |CT_DoLog DEBUG
+    fi
+}
+
+# Extract libfloat
+do_libfloat_extract() {
+    [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] && CT_ExtractAndPatch "${CT_LIBFLOAT_FILE}"
+}
+
+# Build libfloat
+do_libfloat() {
+    # Here we build and install libfloat for the target, so that the C library
+    # builds OK with those versions of gcc that have severed softfloat support
+    # code
+    [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] || return 0
+	CT_DoStep INFO "Installing software floating point emulation library libfloat"
+
+    CT_Pushd "${CT_BUILD_DIR}"
+    CT_DoLog EXTRA "Copying sources to build dir"
+    mkdir build-libfloat
+    cd build-libfloat
+    ( cd "${CT_SRC_DIR}/${CT_LIBFLOAT_FILE}"; tar cf - . ) |tar xvf - |CT_DoLog ALL
+
+    CT_DoLog EXTRA "Cleaning library"
+    make clean 2>&1 |CT_DoLog ALL
+
+    CT_DoLog EXTRA "Building library"
+    make CROSS_COMPILE="${CT_CC_CORE_PREFIX_DIR}/bin/${CT_TARGET}-" 2>&1 |CT_DoLog ALL
+
+    CT_DoLog EXTRA "Installing library"
+    make CROSS_COMPILE="${CT_CC_CORE_PREFIX_DIR}/bin/${CT_TARGET}-" \
+         DESTDIR="${CT_SYSROOT_DIR}" install                       2>&1 |CT_DoLog ALL
+
+    CT_Popd
+
+    CT_EndStep
+}
+
+else # "${CT_ARCH_FLOAT_SW_LIBFLOAT}" != "y"
+
+do_libfloat_get() {
+    true
+}
+do_libfloat_extract() {
+    true
+}
+do_libfloat() {
+    true
+}
+
+fi