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hostapd: replace "argument list too long" fix with a simpler version 

Less convoluted and more robust

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2024-04-04 13:06:29 +02:00
parent 6e391325af
commit 7b9996d107
2 changed files with 23 additions and 27 deletions
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23
package/network/services/hostapd/patches/210-build-de-duplicate-_DIRS-before-calling-mkdir.patch Normal file
View File

@ -0,0 +1,23 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 4 Apr 2024 12:59:41 +0200
Subject: [PATCH] build: de-duplicate _DIRS before calling mkdir
If the build path is long, the contents of the _DIRS variable can be very long,
since it repeats the same directories very often.
In some cases, this has triggered an "Argument list too long" build error.
Suggested-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/src/build.rules
+++ b/src/build.rules
@@ -80,7 +80,7 @@ endif
_DIRS := $(BUILDDIR)/$(PROJ)
.PHONY: _make_dirs
_make_dirs:
- @mkdir -p $(_DIRS)
+ @mkdir -p $(sort $(_DIRS))
$(BUILDDIR)/$(PROJ)/src/%.o: $(ROOTDIR)src/%.c $(CONFIG_FILE) | _make_dirs
$(Q)$(CC) -c -o $@ $(CFLAGS) $<

27
package/network/services/hostapd/patches/999-build-make-_make_dirs-robust-against-too-long-argume.patch
View File

@ -1,27 +0,0 @@
From beeef79701082a82b2581a674e702ea60a358ce7 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Sun, 24 Mar 2024 20:47:06 +0100
Subject: [PATCH] build: make _make_dirs robust against too long argument error
_make_dirs currently can fail as _DIRS can be really long and thus go over
the MAX_ARG_STRLEN limit so it will fail with:
/bin/sh: Argument list too long
Lets avoid this by stripping the $(BUILDDIR) prefix and then restoring it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
src/build.rules | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/src/build.rules
+++ b/src/build.rules
@@ -80,7 +80,7 @@ endif
_DIRS := $(BUILDDIR)/$(PROJ)
.PHONY: _make_dirs
_make_dirs:
- @mkdir -p $(_DIRS)
+ @printf '$(BUILDDIR)/%s ' $(patsubst $(BUILDDIR)/%,%,$(_DIRS)) | xargs mkdir -p
$(BUILDDIR)/$(PROJ)/src/%.o: $(ROOTDIR)src/%.c $(CONFIG_FILE) | _make_dirs
$(Q)$(CC) -c -o $@ $(CFLAGS) $<