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| 9 | export QNXSDK_TARGETPATH="target/qnx" # relative location in QNXSDK_PATH of the tree containing the QNX8 system header files |
9 | export QNXSDK_TARGETPATH="target/qnx" # relative location in QNXSDK_PATH of the tree containing the QNX8 system header files |
| 10 | 10 | ||
| 11 | export BUILD_DIR_NAME="llvm-build" # name of the directory on the build host's desktop where the LLVM sources will be built |
11 | export BUILD_DIR_NAME="llvm-build" # name of the directory on the build host's desktop where the LLVM sources will be built |
| 12 | export BUILD_TARGET_ARCH="x86_64" # CPU architecture to build LLVM for, either "x86_64" or "aarch64" |
12 | export BUILD_TARGET_ARCH="x86_64" # CPU architecture to build LLVM for, either "x86_64" or "aarch64" |
| 13 | 13 | ||
| 14 | export LLVM_VERSION=" |
14 | export LLVM_VERSION="17.0.6" # version of LLVM that will be built |
| 15 | export LLVM_SOURCES_FILE="llvmorg-${LLVM_VERSION}.tar.gz" # name of the file containing LLVM version LLVM_VERSION sources |
15 | export LLVM_SOURCES_FILE="llvmorg-${LLVM_VERSION}.tar.gz" # name of the file containing LLVM version LLVM_VERSION sources |
| 16 | export LLVM_SOURCES_URL="https://github.com/llvm/llvm-project/archive/refs/tags/${LLVM_SOURCES_FILE}" # download URL of LLVM_SOURCES_FILE |
16 | export LLVM_SOURCES_URL="https://github.com/llvm/llvm-project/archive/refs/tags/${LLVM_SOURCES_FILE}" # download URL of LLVM_SOURCES_FILE |
| 17 | export LLVM_SOURCES_DIR="llvm-project-llvmorg-${LLVM_VERSION}" # name of directory created when extracting LLVM_SOURCES_FILE |
17 | export LLVM_SOURCES_DIR="llvm-project-llvmorg-${LLVM_VERSION}" # name of directory created when extracting LLVM_SOURCES_FILE |
| 18 | 18 | ||
| 19 | # see where we are |
19 | # see where we are |
| Line 95... | Line 95... | ||
| 95 | # setup the environment |
95 | # setup the environment |
| 96 | export QNX_HOST="/tmp/qnxsdk/${QNXSDK_HOSTPATH}" |
96 | export QNX_HOST="/tmp/qnxsdk/${QNXSDK_HOSTPATH}" |
| 97 | export QNX_TARGET="/tmp/qnxsdk/${QNXSDK_TARGETPATH}" |
97 | export QNX_TARGET="/tmp/qnxsdk/${QNXSDK_TARGETPATH}" |
| 98 | export MAKEFLAGS="-I${QNX_TARGET}/usr/include" |
98 | export MAKEFLAGS="-I${QNX_TARGET}/usr/include" |
| 99 | export PATH="${QNX_HOST}/usr/bin:${PATH}" |
99 | export PATH="${QNX_HOST}/usr/bin:${PATH}" |
| - | 100 | ||
| - | 101 | # download the involved source packages and unpack them if not done yet |
|
| - | 102 | download_and_unpack_if_necessary() |
|
| - | 103 | { |
|
| - | 104 | # helper function that downloads a sources tarball, extracts it and patches it if necessary |
|
| - | 105 | # args: <sources dirname> <sources filename> <download URL> <patchset URL or empty string> |
|
| - | 106 | if [ ! -d "${1}" ]; then |
|
| - | 107 | if [ ! -f "${CURRENT_DIR}/${2}" ]; then |
|
| - | 108 | echo "Downloading ${1} sources from ${3}..." |
|
| - | 109 | wget -O "${CURRENT_DIR}/${2}" "${3}" || exit 1 |
|
| - | 110 | fi |
|
| - | 111 | echo "Extracting ${1} sources..." |
|
| - | 112 | cd "$(dirname "${1}")" |
|
| - | 113 | if echo "${2}"|grep -q "\.tar\.bz2$"; then |
|
| - | 114 | tar xjf "${CURRENT_DIR}/${2}" || exit 1 |
|
| - | 115 | elif echo "${2}"|grep -q "\.tar\.xz$"; then |
|
| - | 116 | tar xJf "${CURRENT_DIR}/${2}" || exit 1 |
|
| - | 117 | elif echo "${2}"|grep -q "\.tar\.gz$"; then |
|
| - | 118 | tar xzf "${CURRENT_DIR}/${2}" || exit 1 |
|
| - | 119 | else |
|
| - | 120 | echo "Error: unsupported file extension. Please improve the download_and_unpack_if_necessary() shell function to support it." |
|
| - | 121 | exit 1 |
|
| - | 122 | fi |
|
| - | 123 | if [ ! -d "${1}" ]; then |
|
| - | 124 | echo "Error: couldn't find ${1} in extracted sources." |
|
| - | 125 | exit 1 |
|
| - | 126 | fi |
|
| - | 127 | if [ -n "${4}" ]; then |
|
| - | 128 | echo "Downloading ${1} patchset from ${4}..." |
|
| - | 129 | wget -O "${CURRENT_DIR}/${2}.patchset" "${4}" || exit 1 |
|
| - | 130 | echo "Applying patchset..." |
|
| - | 131 | OLDDIR="$(pwd)" |
|
| - | 132 | cd "${1}" |
|
| - | 133 | patch -N -Z -p1 < "${CURRENT_DIR}/${2}.patchset" || exit 1 |
|
| - | 134 | cd "${OLDDIR}" |
|
| - | 135 | unset OLDDIR |
|
| - | 136 | fi |
|
| - | 137 | fi |
|
| - | 138 | return 0 |
|
| - | 139 | } |
|
| - | 140 | download_and_unpack_if_necessary "${LLVM_SOURCES_DIR}" "${LLVM_SOURCES_FILE}" "${LLVM_SOURCES_URL}" || exit 1 |
|
| 100 | 141 | ||
| 101 | # download the LLVM source package and unpack it if not done yet |
142 | # download the LLVM source package and unpack it if not done yet |
| 102 | if [ ! -d "${LLVM_SOURCES_DIR}" ]; then |
143 | if [ ! -d "${LLVM_SOURCES_DIR}" ]; then |
| 103 | if [ ! -f "${CURRENT_DIR}/${LLVM_SOURCES_FILE}" ]; then |
144 | if [ ! -f "${CURRENT_DIR}/${LLVM_SOURCES_FILE}" ]; then |
| 104 | echo "Downloading LLVM ${LLVM_VERSION} sources from LLVM GitHub..." |
145 | echo "Downloading LLVM ${LLVM_VERSION} sources from LLVM GitHub..." |
| Line 162... | Line 203... | ||
| 162 | SET(CMAKE_RANLIB "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-ranlib") |
203 | SET(CMAKE_RANLIB "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-ranlib") |
| 163 | 204 | ||
| 164 | SET(CMAKE_NM "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-nm") |
205 | SET(CMAKE_NM "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-nm") |
| 165 | 206 | ||
| 166 | SET(CMAKE_AR "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-ar") |
207 | SET(CMAKE_AR "${QNX_HOST}/usr/bin/'${TARGET_TRIPLE}'-ar") |
| 167 | 208 | ||
| 168 | SET(CMAKE_FIND_ROOT_PATH "${QNX_TARGET}") |
209 | SET(CMAKE_FIND_ROOT_PATH "${QNX_TARGET}") |
| 169 | SET(CMAKE_FIND_ROOT_PATH_HOST_PROGRAM NEVER) |
210 | SET(CMAKE_FIND_ROOT_PATH_HOST_PROGRAM NEVER) |
| 170 | SET(CMAKE_FIND_ROOT_PATH_HOST_LIBRARY ONLY) |
211 | SET(CMAKE_FIND_ROOT_PATH_HOST_LIBRARY ONLY) |
| 171 | SET(CMAKE_FIND_ROOT_PATH_HOST_INCLUDE ONLY) |
212 | SET(CMAKE_FIND_ROOT_PATH_HOST_INCLUDE ONLY) |
| 172 | ' > "${TARGET_TRIPLE}.cmake" |
213 | ' > "${TARGET_TRIPLE}.cmake" |
| Line 178... | Line 219... | ||
| 178 | # test if already patched |
219 | # test if already patched |
| 179 | grep -q "${2}" "../${LLVM_SOURCES_DIR}/${1}" && return |
220 | grep -q "${2}" "../${LLVM_SOURCES_DIR}/${1}" && return |
| 180 | # tell what we're about to do |
221 | # tell what we're about to do |
| 181 | echo "Patching ${1}..." |
222 | echo "Patching ${1}..." |
| 182 | # have a backup first |
223 | # have a backup first |
| 183 | test -f "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" || cp "../${LLVM_SOURCES_DIR}/${1}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" |
224 | test -f "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" || cp "../${LLVM_SOURCES_DIR}/${1}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" || exit 1 |
| 184 | # perform the patch |
225 | # perform the patch |
| 185 | sed -E "${3}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" > "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [PATCHED]" |
226 | sed -E "${3}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [ORIGINAL]" > "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [PATCHED]" |
| 186 | # verify that we did it successfully |
227 | # verify that we did it successfully |
| 187 | if ! grep -q "${2}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [PATCHED]"; then |
228 | if ! grep -q "${2}" "${CURRENT_DIR}/$(echo "${1}"|tr '/' '.') [PATCHED]"; then |
| 188 | echo "Error: the file ${1} could not be patched. Please investigate and fix manually." | fold -s -w 79; exit 1 |
229 | echo "Error: the file ${1} could not be patched. Please investigate and fix manually." | fold -s -w 79; exit 1 |
| Line 230... | Line 271... | ||
| 230 | # RATIONALE: the pthreads implementation in QNX 'steals' things from the POSIX.1 standard and hides them behind the __EXT_QNX macro, |
271 | # RATIONALE: the pthreads implementation in QNX 'steals' things from the POSIX.1 standard and hides them behind the __EXT_QNX macro, |
| 231 | # which is defined when either _QNX_SOURCE or __EXT without anything else is defined. This is not correct and low-level libraries |
272 | # which is defined when either _QNX_SOURCE or __EXT without anything else is defined. This is not correct and low-level libraries |
| 232 | # such as libunwind that do not define either of those fail to build. Also note that a FreeBSD-compatible header was added to the QNX8 |
273 | # such as libunwind that do not define either of those fail to build. Also note that a FreeBSD-compatible header was added to the QNX8 |
| 233 | # platform SDK: /usr/include/link.h, which defines Elf types as Elf64/Elf32 types depending on the architecture and adds some glue. |
274 | # platform SDK: /usr/include/link.h, which defines Elf types as Elf64/Elf32 types depending on the architecture and adds some glue. |
| 234 | backup_and_patch_if_necessary "libunwind/src/RWMutex.hpp" __QNXNTO__ 's/#include <pthread.h>/#ifdef __QNXNTO__\n#define __EXT_QNX\n#define __EXT_POSIX1_200112\n#endif\n#include <pthread.h>/g' |
275 | backup_and_patch_if_necessary "libunwind/src/RWMutex.hpp" __QNXNTO__ 's/#include <pthread.h>/#ifdef __QNXNTO__\n#define __EXT_QNX\n#define __EXT_POSIX1_200112\n#endif\n#include <pthread.h>/g' |
| - | 276 | ||
| - | 277 | # patch libunwind/src/libunwind.cpp |
|
| - | 278 | # replace [#include <libunwind.h>] with [#ifdef __QNXNTO__\n#include <sys/link.h>\n#include <link.h>\n#endif\n#include <libunwind.h>] |
|
| - | 279 | # RATIONALE: the ELF type definitions for QNX are incomplete. They renamed everything to Elf32 and Elf64, and now the original Elf type names point to nowhere. |
|
| - | 280 | # Additionally, since QNX claims to be a "FreeBSD kernel", it must expose a /usr/include/link.h file too, and the workaround for the aforementioned problem is there. |
|
| - | 281 | # Consequently, load the QNX <sys/link.h> THEN our BSD glue <link.h> headers before compiling libunwind.cpp which needs common ELF definitions (and not Elf32/Elf64). |
|
| - | 282 | backup_and_patch_if_necessary "libunwind/src/libunwind.cpp" __QNXNTO__ 's,#include <libunwind.h>,#ifdef __QNXNTO__\n#include <sys/link.h>\n#include <link.h>\n#endif\n#include <libunwind.h>,g' |
|
| 235 | 283 | ||
| 236 | # now configure LLVM -- and use ccache |
284 | # now configure LLVM -- and use ccache |
| 237 | echo "Configuring LLVM build..." |
285 | echo "Configuring LLVM build..." |
| 238 | export CCACHE_DIR="$(realpath "../${LLVM_SOURCES_DIR}/.ccache")" |
286 | export CCACHE_DIR="$(realpath "../${LLVM_SOURCES_DIR}/.ccache")" |
| 239 | cmake \ |
287 | cmake \ |