strace shows: 72102 execve("/bin/sh", ["/bin/sh", "-c", "echo ' scripts/mod/modpost -m -a -o /cc/wfg/sound-compiletest/Module.symvers -s'; scripts/ mod/modpost -m -a -o /cc/wfg/sound-compiletest/Module.symvers -s vmlinux arch/x86/crypto/ablk_helper.o arch/x86/crypto/aes-i586.o arch /x86/crypto/aesni-intel.o arch/x86/crypto/crc32-pclmul.o ... drivers/ata/sata_promise.o "...], [/* 119 vars */] <unfinished ...> 71827 wait4(-1, <unfinished ...> 72102 <... execve resumed> ) = -1 E2BIG (Argument list too long) So we re-run the shell command which produces the list and feed it into modpost -T -.
Unified · Split
| @@ -60,7 +60,8 @@ kernelsymfile := $(objtree)/Module.symvers · 59 unmodified lines | |||
| 60 | modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers | 60 | modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers |
| 61 | 61 | ||
| 62 | # Step 1), find all modules listed in $(MODVERDIR)/ | 62 | # Step 1), find all modules listed in $(MODVERDIR)/ |
| 63 | __modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod))) | 63 | MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs -r grep -h '\.ko$$' | sort -u |
| 64 | __modules := $(shell $(MODLISTCMD)) | ||
| 64 | modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) | 65 | modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) |
| 65 | 66 | ||
| 66 | # Stop after building .o files if NOFINAL is set. Makes compile tests quicker | 67 | # Stop after building .o files if NOFINAL is set. Makes compile tests quicker |
| @@ -78,12 +79,13 @@ modpost = scripts/mod/modpost \ · 11 unmodified lines | |||
| 78 | $(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \ | 79 | $(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \ |
| 79 | $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) | 80 | $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) |
| 80 | 81 | ||
| 82 | # We can go over command line length here, so be careful. | ||
| 81 | quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules | 83 | quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules |
| 82 | cmd_modpost = $(modpost) -s | 84 | cmd_modpost = $(MODLISTCMD) | sed 's/\.ko$$/.o/' | $(modpost) -s -T - |
| 83 | 85 | ||
| 84 | PHONY += __modpost | 86 | PHONY += __modpost |
| 85 | __modpost: $(modules:.ko=.o) FORCE | 87 | __modpost: $(modules:.ko=.o) FORCE |
| 86 | $(call cmd,modpost) $(wildcard vmlinux) $(filter-out FORCE,$^) | 88 | $(call cmd,modpost) $(wildcard vmlinux) |
| 87 | 89 | ||
| 88 | quiet_cmd_kernel-mod = MODPOST $@ | 90 | quiet_cmd_kernel-mod = MODPOST $@ |
| 89 | cmd_kernel-mod = $(modpost) $@ | 91 | cmd_kernel-mod = $(modpost) $@ |