[Buildroot] [PATCH v3] toolchain: generate check-headers program under $(BUILD_DIR)
From: unixmania at gmail.com <hidden>
Date: 2019-09-24 11:46:11
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Carlos Santos <redacted> Some installations mount /tmp with the 'noexec' option, which prevents running the program generated there to check the kernel headers. Avoid the problem by generating the program under $(BUILD_DIR), passed as the first argument to check-kernel-headers.sh. We could globally export a TMPDIR environment variable with some path under $(BUILD_DIR) but such solution would be too intrusive, depriving the user from the freedom to set TMPDIR at his will (or needs). Fixes: https://bugs.busybox.net/show_bug.cgi?id=12241 Signed-off-by: Carlos Santos <redacted> --- CC: Cerem Cem ASLAN <redacted> CC: Thomas Petazzoni <thomas.petazzoni@bootlin.com> --- Changes v1->v2: - Move the change that introduces a trap to remove the temporary file to a separate patch. - Improve the commit message. Changes v2->v3: - Move the SOB line above the cut line. --- package/linux-headers/linux-headers.mk | 1 + support/scripts/check-kernel-headers.sh | 7 ++++--- toolchain/helpers.mk | 9 ++++----- toolchain/toolchain-external/pkg-toolchain-external.mk | 1 + 4 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/package/linux-headers/linux-headers.mk b/package/linux-headers/linux-headers.mk
index 46f270a0e1..676c8c44ea 100644
--- a/package/linux-headers/linux-headers.mk
+++ b/package/linux-headers/linux-headers.mk@@ -133,6 +133,7 @@ endef ifeq ($(BR2_KERNEL_HEADERS_VERSION)$(BR2_KERNEL_HEADERS_AS_KERNEL)$(BR2_KERNEL_HEADERS_CUSTOM_TARBALL)$(BR2_KERNEL_HEADERS_CUSTOM_GIT),y) define LINUX_HEADERS_CHECK_VERSION $(call check_kernel_headers_version,\ + $(BUILD_DIR),\ $(STAGING_DIR),\ $(call qstrip,$(BR2_TOOLCHAIN_HEADERS_AT_LEAST))) endef
diff --git a/support/scripts/check-kernel-headers.sh b/support/scripts/check-kernel-headers.sh
index a8cca78b27..a8b94f6a02 100755
--- a/support/scripts/check-kernel-headers.sh
+++ b/support/scripts/check-kernel-headers.sh@@ -1,14 +1,15 @@ #!/bin/sh -SYSROOT="${1}" +BUILDDIR="${1}" +SYSROOT="${2}" # Make sure we have enough version components -HDR_VER="${2}.0.0" +HDR_VER="${3}.0.0" HDR_M="${HDR_VER%%.*}" HDR_V="${HDR_VER#*.}" HDR_m="${HDR_V%%.*}" -EXEC="$(mktemp -t check-headers.XXXXXX)" +EXEC="$(mktemp -p "${BUILDDIR}" -t .check-headers.XXXXXX)" # We do not want to account for the patch-level, since headers are # not supposed to change for different patchlevels, so we mask it out.
diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk
index 86d945a5b1..6a4f7223c8 100644
--- a/toolchain/helpers.mk
+++ b/toolchain/helpers.mk@@ -158,13 +158,12 @@ copy_toolchain_sysroot = \ # Check the specified kernel headers version actually matches the # version in the toolchain. # -# $1: sysroot directory -# $2: kernel version string, in the form: X.Y +# $1: build directory +# $2: sysroot directory +# $3: kernel version string, in the form: X.Y # check_kernel_headers_version = \ - if ! support/scripts/check-kernel-headers.sh $(1) $(2); then \ - exit 1; \ - fi + support/scripts/check-kernel-headers.sh $(1) $(2) $(3) # # Check the specific gcc version actually matches the version in the
diff --git a/toolchain/toolchain-external/pkg-toolchain-external.mk b/toolchain/toolchain-external/pkg-toolchain-external.mk
index c3ddff263f..c00211d59c 100644
--- a/toolchain/toolchain-external/pkg-toolchain-external.mk
+++ b/toolchain/toolchain-external/pkg-toolchain-external.mk@@ -531,6 +531,7 @@ define $(2)_CONFIGURE_CMDS $$(Q)$$(call check_unusable_toolchain,$$(TOOLCHAIN_EXTERNAL_CC)) $$(Q)SYSROOT_DIR="$$(call toolchain_find_sysroot,$$(TOOLCHAIN_EXTERNAL_CC))" ; \ $$(call check_kernel_headers_version,\ + $$(BUILD_DIR)\ $$(call toolchain_find_sysroot,$$(TOOLCHAIN_EXTERNAL_CC)),\ $$(call qstrip,$$(BR2_TOOLCHAIN_HEADERS_AT_LEAST))); \ $$(call check_gcc_version,$$(TOOLCHAIN_EXTERNAL_CC),\
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2.18.1