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enable cross-compilation of glibc on Darwin (build=Darwin, host=Linux)
* increase ulimit for open files: macOS default of 256 is too low for glibc build system
* use host version of ar, which is given by environment variable
* build system uses stamp.os and stamp.oS files, which only differ in case;
this fails on macOS, so replace .oS with .o_S
--- glibc-2.32/Makefile.in 2018-02-01 17:17:18.000000000 +0100
+++ glibc-2.32/Makefile.in 2020-12-27 18:21:30.000000000 +0100
@@ -6,9 +6,11 @@
.PHONY: all install bench
all .DEFAULT:
- $(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
+ ulimit -n 1024; \
+ $(MAKE) -r AR=$$AR PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
install:
+ ulimit -n 1024; \
LC_ALL=C; export LC_ALL; \
$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
--- glibc-2.32/Makerules 2018-02-01 17:17:18.000000000 +0100
+++ glibc-2.32/Makerules 2020-12-27 18:21:30.000000000 +0100
@@ -847,8 +847,8 @@
ifndef objects
# Create the stamp$o files to keep the parent makefile happy.
-subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o)
-$(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o):
+subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$(subst .oS,.o_S,$o))
+$(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$(subst .oS,.o_S,$o)):
$(make-target-directory)
rm -f $@; > $@
else
@@ -859,7 +859,7 @@
# The parent will then actually add them all to the archive in the
# archive rule, below.
define o-iterator-doit
-$(objpfx)stamp$o: $(o-objects); $$(do-stamp)
+$(objpfx)stamp$(subst .oS,.o_S,$o): $(o-objects); $$(do-stamp)
endef
define do-stamp
$(make-target-directory)
@@ -875,14 +875,14 @@
# on the stamp files built above.
define o-iterator-doit
$(common-objpfx)$(patsubst %,$(libtype$o),c): \
- $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib)
+ $(subdirs-stamp-o) $(common-objpfx)stamp$(subst .oS,.o_S,$o); $$(do-makelib)
endef
define do-makelib
cd $(common-objdir) && \
$(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)`
endef
subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%)
-subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps))
+subdirs-stamp-o = $(subst %,$(subst .oS,.o_S,$o),$(subdirs-stamps))
ifndef subdir
$(subdirs-stamps): subdir_lib;
endif
@@ -893,7 +893,7 @@
# This makes all the object files.
.PHONY: objects objs libobjs extra-objs
objects objs: libobjs extra-objs
-libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o)
+libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$(subst .oS,.o_S,$o))
extra-objs: $(addprefix $(objpfx),$(extra-objs))
# Canned sequence for building an extra library archive.
@@ -1499,7 +1499,7 @@
$(rmobjs)
define rmobjs
$(foreach o,$(object-suffixes-for-libc),
--rm -f $(objpfx)stamp$o $(o-objects))
+-rm -f $(objpfx)stamp$(subst .oS,.o_S,$o) $(o-objects))
endef
# Also remove the dependencies and generated source files.
|