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libc/glibc: only install start files for NPTL

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Building the start files requires a shared-capable compiler, which we do
not have when the threading implementation is LinuxThreads.

So, only build the start files when the threading implementations is NPTL.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN" 2011-02-21 19:20:19 +01:00
parent b93e67f07c
commit 43e89c8ddd
1 changed files with 18 additions and 16 deletions
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34
scripts/build/libc/glibc-eglibc.sh-common
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@ -86,24 +86,26 @@ do_libc_start_files() {
[ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
fi
CT_DoLog EXTRA "Installing C library start files"
if [ "${CT_THREADS}" = "nptl" ]; then
CT_DoLog EXTRA "Installing C library start files"
# there are a few object files needed to link shared libraries,
# which we build and install by hand
CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
CT_DoExecLog ALL make ${JOBSFLAGS} csu/subdir_lib
CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
"${CT_SYSROOT_DIR}/usr/lib"
# there are a few object files needed to link shared libraries,
# which we build and install by hand
CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
CT_DoExecLog ALL make ${JOBSFLAGS} csu/subdir_lib
CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
"${CT_SYSROOT_DIR}/usr/lib"
# Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
# However, since we will never actually execute its code,
# it doesn't matter what it contains. So, treating '/dev/null'
# as a C source file, we produce a dummy 'libc.so' in one step
CT_DoExecLog ALL "${cross_cc}" -nostdlib \
-nostartfiles \
-shared \
-x c /dev/null \
-o "${CT_SYSROOT_DIR}/usr/lib/libc.so"
# Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
# However, since we will never actually execute its code,
# it doesn't matter what it contains. So, treating '/dev/null'
# as a C source file, we produce a dummy 'libc.so' in one step
CT_DoExecLog ALL "${cross_cc}" -nostdlib \
-nostartfiles \
-shared \
-x c /dev/null \
-o "${CT_SYSROOT_DIR}/usr/lib/libc.so"
fi # threads == nptl
CT_EndStep
}