samsung-s6500d: use gcc8 (!86)
It finally compiles with GCC8 and modernized prepare() Signed-off-by: Piotr Halama <skrzynka@halamix2.pl>
This commit is contained in:
Piotr Halama
Oliver Smith
parent
242ab9ac7a
commit
aaf1fbe17a
4 changed files with 14 additions and 95 deletions
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@ -8,18 +8,13 @@ arch="armhf"
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_carch="arm"
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_flavor="samsung-s6500d"
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url="https://github.com/Shadowofleaf/android_kernel_samsung_msm7x27a/"
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license="GPL2"
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license="GPL-2.0-only"
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options="!strip !check !tracedeps"
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makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
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makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev"
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# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
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# request if you find out that it is booting working with newer GCCs as
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# well. See <https://postmarketos.org/vendorkernel> for instructions.
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if [ "${CC:0:5}" != "gcc6-" ]; then
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CC="gcc6-$CC"
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HOSTCC="gcc6-gcc"
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CROSS_COMPILE="gcc6-$CROSS_COMPILE"
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fi
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# Compiler: latest GCC from Alpine
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HOSTCC="${CC:-gcc}"
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HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
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# Source
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_repository="android_kernel_samsung_msm7x27a"
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@ -28,27 +23,17 @@ _config="config-${_flavor}.${arch}"
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source="
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$pkgname-$_commit.tar.gz::https://github.com/Shadowofleaf/${_repository}/archive/${_commit}.tar.gz
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$_config
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compiler-gcc6.h
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00_return_address.patch
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02_gpu-msm-fix-gcc5-compile.patch
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gcc7-give-up-on-ilog2-const-optimizations.patch
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gcc8-fix-put-user.patch
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"
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builddir="$srcdir/${_repository}-${_commit}"
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prepare() {
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default_prepare
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# gcc6 support
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cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"
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# Remove -Werror from all makefiles
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find . -type f -name Makefile -print0 | \
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xargs -0 sed -i 's/-Werror-/-W/g'
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find . -type f -name Makefile -print0 | \
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xargs -0 sed -i 's/-Werror//g'
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# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
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cp "$srcdir"/$_config "$builddir"/.config
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yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
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downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
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}
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build() {
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@ -79,6 +64,7 @@ package() {
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sha512sums="a46d52f79597fc3a8ded036fbdcc4cdbb96ba1582fb1349002183c1e23598da10da2faede1a251f55705ae6e8e54232797866f4c03acc2b1ace1664b315dd216 linux-samsung-s6500d-d70eebdb55d7011c82ce64fe5eae2fdcbfd4e425.tar.gz
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41f5709398318f4d26b82ea7c5a58bce2b733d92cfc88838926658be602ff379567f41690f27ce47830983efd9508ccc149c8c80583de5a366d6d3d6cab36cd7 config-samsung-s6500d.armhf
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d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc compiler-gcc6.h
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c40eaa11547f5bc2b1ff965506bdfe3015ff16e4b5ad9ccb3b8134ceafd1d32407c4ef2b213e02e036ce1e9bdcbfe768dff7d4b054bec77705a176c1f783b6f5 00_return_address.patch
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7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881 02_gpu-msm-fix-gcc5-compile.patch"
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7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881 02_gpu-msm-fix-gcc5-compile.patch
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77eba606a71eafb36c32e9c5fe5e77f5e4746caac292440d9fb720763d766074a964db1c12bc76fe583c5d1a5c864219c59941f5e53adad182dbc70bf2bc14a7 gcc7-give-up-on-ilog2-const-optimizations.patch
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197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967 gcc8-fix-put-user.patch"
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@ -1,69 +0,0 @@
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// SOURCE:
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// https://github.com/NextThingCo/CHIP-u-boot/issues/10#issuecomment-287515505
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#ifndef __LINUX_COMPILER_H
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#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> instead."
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#endif
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#define __used __attribute__((__used__))
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#define __must_check __attribute__((warn_unused_result))
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#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
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/* Mark functions as cold. gcc will assume any path leading to a call
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to them will be unlikely. This means a lot of manual unlikely()s
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are unnecessary now for any paths leading to the usual suspects
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like BUG(), printk(), panic() etc. [but let's keep them for now for
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older compilers]
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Early snapshots of gcc 4.3 don't support this and we can't detect this
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in the preprocessor, but we can live with this because they're unreleased.
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Maketime probing would be overkill here.
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gcc also has a __attribute__((__hot__)) to move hot functions into
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a special section, but I don't see any sense in this right now in
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the kernel context */
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#define __cold __attribute__((__cold__))
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#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
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#ifndef __CHECKER__
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# define __compiletime_warning(message) __attribute__((warning(message)))
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# define __compiletime_error(message) __attribute__((error(message)))
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#endif /* __CHECKER__ */
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/*
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* Mark a position in code as unreachable. This can be used to
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* suppress control flow warnings after asm blocks that transfer
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* control elsewhere.
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*
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* Early snapshots of gcc 4.5 don't support this and we can't detect
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* this in the preprocessor, but we can live with this because they're
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* unreleased. Really, we need to have autoconf for the kernel.
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*/
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#define unreachable() __builtin_unreachable()
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/* Mark a function definition as prohibited from being cloned. */
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#define __noclone __attribute__((__noclone__))
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/*
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* Tell the optimizer that something else uses this function or variable.
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*/
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#define __visible __attribute__((externally_visible))
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/*
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* GCC 'asm goto' miscompiles certain code sequences:
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*
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* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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*
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* Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
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*
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* (asm goto is automatically volatile - the naming reflects this.)
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*/
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#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
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#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
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#define __HAVE_BUILTIN_BSWAP32__
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#define __HAVE_BUILTIN_BSWAP64__
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#define __HAVE_BUILTIN_BSWAP16__
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#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
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@ -0,0 +1 @@
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../../.shared-patches/linux/gcc7-give-up-on-ilog2-const-optimizations.patch
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1
device/linux-samsung-s6500d/gcc8-fix-put-user.patch
Symbolic link
1
device/linux-samsung-s6500d/gcc8-fix-put-user.patch
Symbolic link
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@ -0,0 +1 @@
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../../.shared-patches/linux/gcc8-fix-put-user.patch
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