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authorManuel Novoa III <mjn3@codepoet.org>2003-11-30 20:21:47 +0000
committerManuel Novoa III <mjn3@codepoet.org>2003-11-30 20:21:47 +0000
commitc09a799cf60364155de39f75c03eaee24a34fe6f (patch)
tree30547d1921c3bbde5b76022d6c06c0c101f94a1f
parent5c0bbc61773b0c88c6435f825c6bd4fb9798079a (diff)
downloadbuildroot-novena-c09a799cf60364155de39f75c03eaee24a34fe6f.tar.gz
buildroot-novena-c09a799cf60364155de39f75c03eaee24a34fe6f.zip
Remove the USE_UCLIBC_TOOLCHAIN config option, since that's all we support.
Add some comments in Makefile about support for various archs. Disable buildroot large file for cris, since uClibc currently disables it.
-rw-r--r--Makefile37
-rw-r--r--make/uclibc.mk10
2 files changed, 23 insertions, 24 deletions
diff --git a/Makefile b/Makefile
index 45e2f2f96..583dd112a 100644
--- a/Makefile
+++ b/Makefile
@@ -33,22 +33,25 @@ ARCH:=i386
#ARCH:=arm
#ARCH:=mips
#ARCH:=mipsel
+# Possible issues remaining with powerpc and soft float.
#ARCH:=powerpc
#ARCH:=sh4
+# Busybox link failing due to needing libgcc functions that are statics.
#ARCH:=cris
+
+# The following currently fail to build since no shared lib support.
+#ARCH:=sh64
#ARCH:=m68k
#ARCH:=v850
#ARCH:=sparc
-#ARCH:=sh64
#ARCH:=whatever
-# enable to build a native gcc toolchain with uclibc support
-USE_UCLIBC_TOOLCHAIN:=true
-
# If you are building a native gcc toolchain, do you want to
# build the old gcc-2.95 based toolchain, or would you prefer
-# a nice and shiny new gcc-3.2.1 toolchain?
+# a nice and shiny new gcc-3.3.2 toolchain?
+# WARNING -- 2.95 currently does not build.
GCC_2_95_TOOLCHAIN:=false
+# WARNING -- 2.95 currently does not build.
# Enable this to use the uClibc daily snapshot instead of a released
# version. Daily snapshots may contain new features and bugfixes. Or
@@ -85,24 +88,26 @@ OPTIMIZE_FOR_CPU=$(ARCH)
# The uClibc built will support _only_ applications compiled with the
# -msoft-float flag. To avoid CFLAGS problems, you may want to use
# scripts similar to those in the build*/staging_dir/bin directory.
-# Uncomment the next 2 lines to build a soft-float toolchain and rootfs.
+# (Un)comment the appropriate line below.
+#SOFT_FLOAT:=true
SOFT_FLOAT:=false
TARGET_OPTIMIZATION=-Os
TARGET_DEBUGGING= #-g
# Any additional gcc options you may want to include....
-EXTRA_GCC_CONFIG_OPTIONS=
+EXTRA_GCC_CONFIG_OPTIONS:=
# Enable the following if you want locale/gettext/i18n support.
+# NOTE! Currently the pregnerated locale stuff only works for x86!
#ENABLE_LOCALE:=true
ENABLE_LOCALE:=false
# If you want multilib enabled, enable this...
MULTILIB:=--enable-multilib
-#Install libstdc++?
-INSTALL_LIBSTDCPP=true
+# Build/install c++ compiler and libstdc++?
+INSTALL_LIBSTDCPP:=true
# For SMP machines some stuff can be run in parallel
#JLEVEL=-j3
@@ -113,17 +118,12 @@ INSTALL_LIBSTDCPP=true
#
#############################################################
TARGETS:=host-sed
-# The toolchain comes next if we are building one
-ifeq ($(USE_UCLIBC_TOOLCHAIN),true)
+
ifeq ($(GCC_2_95_TOOLCHAIN),true)
-TARGETS+=binutils uclibc-configured gcc2_95
+TARGETS+=uclibc-configured binutils gcc2_95
else
-#TARGETS+=binutils uclibc-configured gcc3_3
TARGETS+=uclibc-configured binutils gcc3_3
endif
-else
-TARGETS+=uclibc
-endif
# Do you want user mode Linux (x86 only), or are you building a
# your own kernel that will run on its own? Perhaps you have a
@@ -214,6 +214,11 @@ ifeq ($(ENABLE_LOCALE),true)
EXTRA_GCC_CONFIG_OPTIONS += --enable-clocale=gnu
endif
+# WARNING -- uClibc currently disables large file support on cris.
+ifeq ("$(strip $(ARCH))","cris")
+BUILD_WITH_LARGEFILE:=false
+endif
+
ifneq ($(BUILD_WITH_LARGEFILE),true)
DISABLE_LARGEFILE= --disable-largefile
endif
diff --git a/make/uclibc.mk b/make/uclibc.mk
index ed56446b9..9024baacf 100644
--- a/make/uclibc.mk
+++ b/make/uclibc.mk
@@ -55,11 +55,9 @@ endif
$(SED) 's,^SHARED_LIB_LOADER_PREFIX=.*,SHARED_LIB_LOADER_PREFIX=\"/lib\",g' \
$(UCLIBC_DIR)/.config
ifeq ($(strip $(BUILD_WITH_LARGEFILE)),true)
- $(SED) "s/^.*UCLIBC_HAS_LFS.*/UCLIBC_HAS_LFS=y/;" \
- $(UCLIBC_DIR)/.config
+ $(SED) 's,^.*UCLIBC_HAS_LFS.*,UCLIBC_HAS_LFS=y,g' $(UCLIBC_DIR)/.config
else
- $(SED) "s/^.*UCLIBC_HAS_LFS.*/UCLIBC_HAS_LFS=n/;" \
- $(UCLIBC_DIR)/.config
+ $(SED) 's,^.*UCLIBC_HAS_LFS.*,UCLIBC_HAS_LFS=n,g' $(UCLIBC_DIR)/.config
endif
$(SED) 's,.*UCLIBC_HAS_WCHAR.*,UCLIBC_HAS_WCHAR=y,g' $(UCLIBC_DIR)/.config
if [ -n "$(strip $(TARGET_SOFT_FLOAT))" ] ; then \
@@ -148,15 +146,11 @@ $(TARGET_DIR)/usr/lib/libc.a: $(STAGING_DIR)/lib/libc.a
ln -fs /lib/libthread_db.so.1 libthread_db.so; \
)
-ifeq ($(USE_UCLIBC_TOOLCHAIN),true)
ifeq ($(GCC_2_95_TOOLCHAIN),true)
uclibc_target: gcc2_95 uclibc $(TARGET_DIR)/usr/lib/libc.a
else
uclibc_target: gcc3_3 uclibc $(TARGET_DIR)/usr/lib/libc.a
endif
-else
-uclibc_target: uclibc $(TARGET_DIR)/usr/lib/libc.a
-endif
uclibc_target-clean:
rm -f $(TARGET_DIR)/include