NetCube-Systems-Austria/kumquat-buildroot
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toolchain-external: conditionalize the installation of libraries

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The external toolchain code makes the assumption that all C libraries
have a ld*.so, libc.so, libcrypt.so, libdl.so, libgcc_s.so, libm.so,
libnsl.so, libresolv.so, libutil.so, and when thread support is
enabled, libpthread.so, etc.

However, this is not the case with the musl C library, which
integrates all the functionalities in a single libc.so file. In
preparation of the support of the musl library, we make the current
value of LIB_EXTERNAL_LIBS conditional to glibc or uClibc.

The addition of additional libraries through
BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS is kept outside the condition, at
the end.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2013-10-08 20:17:05 +02:00 committed by Peter Korsgaard
parent 9c5efee81d
commit 36ef1b4494
1 changed files with 11 additions and 8 deletions
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19
toolchain/toolchain-external/toolchain-external.mk
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@ -54,8 +54,16 @@
# $(HOST_DIR)/usr/bin like for the internal toolchains, and the rest
# of Buildroot is handled identical for the 2 toolchain types.
LIB_EXTERNAL_LIBS=ld*.so libc.so libcrypt.so libdl.so libgcc_s.so libm.so libnsl.so libresolv.so librt.so libutil.so
LIB_EXTERNAL_LIBS+=$(call qstrip,$(BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS))
ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
LIB_EXTERNAL_LIBS+=ld*.so libc.so libcrypt.so libdl.so libgcc_s.so libm.so libnsl.so libresolv.so librt.so libutil.so
ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
LIB_EXTERNAL_LIBS+=libpthread.so
ifneq ($(BR2_PACKAGE_GDB_SERVER)$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY),)
LIB_EXTERNAL_LIBS+=libthread_db.so
endif # gdbserver
endif # ! no threads
endif
ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC),y)
LIB_EXTERNAL_LIBS+=libnss_files.so libnss_dns.so
endif
@ -64,12 +72,7 @@ ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
USR_LIB_EXTERNAL_LIBS+=libstdc++.so
endif
ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
LIB_EXTERNAL_LIBS+=libpthread.so
ifneq ($(BR2_PACKAGE_GDB_SERVER)$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY),)
LIB_EXTERNAL_LIBS+=libthread_db.so
endif # gdbserver
endif # ! no threads
LIB_EXTERNAL_LIBS+=$(call qstrip,$(BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS))
# Details about sysroot directory selection.
#