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Factor out the include-file exclude list into a variable.

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This also starts categorizing these headers into groups and adding
comments explaining their purpose.
This commit is contained in:
Dan Gohman 2019-04-29 05:50:54 -07:00
parent 447ea829a9
commit 1f40984219
1 changed files with 79 additions and 89 deletions
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168
Makefile
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@ -233,6 +233,83 @@ override MUSL_PRINTSCAN_LONG_DOUBLE_OBJS = $(patsubst %.o,%.long-double.o,$(MUSL
override MUSL_PRINTSCAN_NO_FLOATING_POINT_OBJS = $(patsubst %.o,%.no-floating-point.o,$(MUSL_PRINTSCAN_OBJS))
override LIBWASI_EMULATED_MMAN_OBJS = $(call objs,$(LIBWASI_EMULATED_MMAN_SOURCES))
# Files from musl's include directory that we don't want to install in the
# sysroot's include directory.
override MUSL_OMIT_HEADERS :=
# Remove files which aren't headers (we generate alltypes.h below).
override MUSL_OMIT_HEADERS += \
"bits/syscall.h.in" \
"bits/alltypes.h.in" \
"alltypes.h.in"
# Use the WASI errno definitions.
override MUSL_OMIT_HEADERS += \
"bits/errno.h"
# Remove headers that aren't supported yet or that aren't relevant for WASI.
override MUSL_OMIT_HEADERS += \
"sys/procfs.h" \
"sys/user.h" \
"sys/kd.h" "sys/vt.h" "sys/soundcard.h" "sys/sem.h" \
"sys/shm.h" "sys/msg.h" "sys/ipc.h" "sys/ptrace.h" \
"sys/statfs.h" \
"bits/kd.h" "bits/vt.h" "bits/soundcard.h" "bits/sem.h" \
"bits/shm.h" "bits/msg.h" "bits/ipc.h" "bits/ptrace.h" \
"bits/statfs.h" \
"sys/vfs.h" \
"sys/statvfs.h" \
"syslog.h" "sys/syslog.h" \
"wait.h" "sys/wait.h" \
"ucontext.h" "sys/ucontext.h" \
"paths.h" \
"utmp.h" "utmpx.h" \
"lastlog.h" \
"sys/acct.h" \
"sys/cachectl.h" \
"sys/epoll.h" "sys/reboot.h" "sys/swap.h" \
"sys/sendfile.h" "sys/inotify.h" \
"sys/quota.h" \
"sys/klog.h" \
"sys/fsuid.h" \
"sys/io.h" \
"sys/prctl.h" \
"sys/mtio.h" \
"sys/mount.h" \
"sys/fanotify.h" \
"sys/personality.h" \
"elf.h" "link.h" "bits/link.h" \
"scsi/scsi.h" "scsi/scsi_ioctl.h" "scsi/sg.h" \
"sys/auxv.h" \
"pwd.h" "shadow.h" "grp.h" \
"mntent.h" \
"netdb.h" \
"resolv.h" \
"pty.h" \
"dlfcn.h" \
"setjmp.h" \
"ulimit.h" \
"sys/xattr.h" \
"wordexp.h" \
"spawn.h" \
"sys/membarrier.h" \
"sys/signalfd.h" \
"termios.h" \
"sys/termios.h" \
"bits/termios.h" \
"net/if.h" \
"net/if_arp.h" \
"net/ethernet.h" \
"net/route.h" \
"netinet/if_ether.h" \
"netinet/ether.h" \
"sys/timerfd.h"
ifeq ($(THREAD_MODEL), single)
# Remove headers not supported in single-threaded mode.
override MUSL_OMIT_HEADERS += "aio.h" "pthread.h"
endif
default: check
$(SYSROOT_LIB)/libc.a: $(LIBC_OBJS)
@ -323,95 +400,8 @@ include_dirs:
cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/generic/bits/* "$(SYSROOT_INC)/bits"
cp -r "$(LIBC_TOP_HALF_MUSL_DIR)"/arch/wasm32/bits/* "$(SYSROOT_INC)/bits"
# Remove files that aren't headers or that aren't supported yet or that aren't relevant for wasm.
$(RM) "$(SYSROOT_INC)/bits/syscall.h.in" \
"$(SYSROOT_INC)/bits/alltypes.h.in" \
"$(SYSROOT_INC)/alltypes.h.in" \
"$(SYSROOT_INC)/sys/procfs.h" \
"$(SYSROOT_INC)/sys/user.h" \
"$(SYSROOT_INC)/sys/kd.h" \
"$(SYSROOT_INC)/bits/kd.h" \
"$(SYSROOT_INC)/sys/vt.h" \
"$(SYSROOT_INC)/bits/vt.h" \
"$(SYSROOT_INC)/sys/soundcard.h" \
"$(SYSROOT_INC)/bits/soundcard.h" \
"$(SYSROOT_INC)/sys/sem.h" \
"$(SYSROOT_INC)/bits/sem.h" \
"$(SYSROOT_INC)/sys/statfs.h" \
"$(SYSROOT_INC)/sys/vfs.h" \
"$(SYSROOT_INC)/bits/statfs.h" \
"$(SYSROOT_INC)/sys/statvfs.h" \
"$(SYSROOT_INC)/sys/shm.h" \
"$(SYSROOT_INC)/bits/shm.h" \
"$(SYSROOT_INC)/sys/msg.h" \
"$(SYSROOT_INC)/bits/msg.h" \
"$(SYSROOT_INC)/sys/ipc.h" \
"$(SYSROOT_INC)/bits/ipc.h" \
"$(SYSROOT_INC)/syslog.h" \
"$(SYSROOT_INC)/sys/syslog.h" \
"$(SYSROOT_INC)/paths.h" \
"$(SYSROOT_INC)/utmp.h" \
"$(SYSROOT_INC)/utmpx.h" \
"$(SYSROOT_INC)/lastlog.h" \
"$(SYSROOT_INC)/sys/acct.h" \
"$(SYSROOT_INC)/sys/cachectl.h" \
"$(SYSROOT_INC)/sys/epoll.h" \
"$(SYSROOT_INC)/sys/ptrace.h" \
"$(SYSROOT_INC)/bits/ptrace.h" \
"$(SYSROOT_INC)/sys/reboot.h" \
"$(SYSROOT_INC)/sys/swap.h" \
"$(SYSROOT_INC)/sys/sendfile.h" \
"$(SYSROOT_INC)/sys/quota.h" \
"$(SYSROOT_INC)/sys/inotify.h" \
"$(SYSROOT_INC)/sys/klog.h" \
"$(SYSROOT_INC)/sys/fsuid.h" \
"$(SYSROOT_INC)/sys/io.h" \
"$(SYSROOT_INC)/sys/prctl.h" \
"$(SYSROOT_INC)/sys/mtio.h" \
"$(SYSROOT_INC)/sys/mount.h" \
"$(SYSROOT_INC)/sys/fanotify.h" \
"$(SYSROOT_INC)/sys/personality.h" \
"$(SYSROOT_INC)/sys/wait.h" \
"$(SYSROOT_INC)/wait.h" \
"$(SYSROOT_INC)/bits/errno.h" \
"$(SYSROOT_INC)/bits/link.h" \
"$(SYSROOT_INC)/link.h" \
"$(SYSROOT_INC)/elf.h" \
"$(SYSROOT_INC)/scsi/scsi.h" \
"$(SYSROOT_INC)/scsi/scsi_ioctl.h" \
"$(SYSROOT_INC)/scsi/sg.h" \
"$(SYSROOT_INC)/sys/auxv.h" \
"$(SYSROOT_INC)/setjmp.h" \
"$(SYSROOT_INC)/pwd.h" \
"$(SYSROOT_INC)/shadow.h" \
"$(SYSROOT_INC)/grp.h" \
"$(SYSROOT_INC)/mntent.h" \
"$(SYSROOT_INC)/netdb.h" \
"$(SYSROOT_INC)/resolv.h" \
"$(SYSROOT_INC)/pty.h" \
"$(SYSROOT_INC)/dlfcn.h" \
"$(SYSROOT_INC)/ulimit.h" \
"$(SYSROOT_INC)/sys/xattr.h" \
"$(SYSROOT_INC)/wordexp.h" \
"$(SYSROOT_INC)/spawn.h" \
"$(SYSROOT_INC)/ucontext.h" \
"$(SYSROOT_INC)/sys/ucontext.h" \
"$(SYSROOT_INC)/sys/membarrier.h" \
"$(SYSROOT_INC)/sys/signalfd.h" \
"$(SYSROOT_INC)/termios.h" \
"$(SYSROOT_INC)/sys/termios.h" \
"$(SYSROOT_INC)/bits/termios.h" \
"$(SYSROOT_INC)/net/if.h" \
"$(SYSROOT_INC)/net/if_arp.h" \
"$(SYSROOT_INC)/net/ethernet.h" \
"$(SYSROOT_INC)/net/route.h" \
"$(SYSROOT_INC)/netinet/if_ether.h" \
"$(SYSROOT_INC)/netinet/ether.h" \
"$(SYSROOT_INC)/sys/timerfd.h"
ifeq ($(THREAD_MODEL), single)
$(RM) "$(SYSROOT_INC)/aio.h" \
"$(SYSROOT_INC)/pthread.h"
endif
# Remove selected header files.
$(RM) $(patsubst %,$(SYSROOT_INC)/%,$(MUSL_OMIT_HEADERS))
ifeq ($(BUILD_LIBC_BOTTOM_HALF),no)
override CRT_SOURCES = $(BASICS_CRT_SOURCES)