[llvm] [Bazel] Make LLVM config headers configurable (PR #126729)
Aaron Siddhartha Mondal via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 11 10:29:21 PST 2025
================
@@ -2,118 +2,331 @@
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-"""Defines variables that use selects to configure LLVM based on platform."""
+"""Substitutions for use in templates related to the LLVM configuration."""
+load("@bazel_skylib//lib:selects.bzl", "selects")
load(
"//:vars.bzl",
"LLVM_VERSION_MAJOR",
"LLVM_VERSION_MINOR",
"LLVM_VERSION_PATCH",
"PACKAGE_VERSION",
)
+load("//llvm:targets.bzl", "llvm_targets")
+load(
+ ":cmakehelpers.bzl",
+ "cmakedefine",
+ "cmakedefine01",
+ "cmakedefine01_off",
+ "cmakedefine01_on",
+ "cmakedefine_set",
+ "cmakedefine_string",
+ "cmakedefine_unset",
+)
-def native_arch_defines(arch, triple):
- return [
- r'LLVM_NATIVE_ARCH=\"{}\"'.format(arch),
- "LLVM_NATIVE_ASMPARSER=LLVMInitialize{}AsmParser".format(arch),
- "LLVM_NATIVE_ASMPRINTER=LLVMInitialize{}AsmPrinter".format(arch),
- "LLVM_NATIVE_DISASSEMBLER=LLVMInitialize{}Disassembler".format(arch),
- "LLVM_NATIVE_TARGET=LLVMInitialize{}Target".format(arch),
- "LLVM_NATIVE_TARGETINFO=LLVMInitialize{}TargetInfo".format(arch),
- "LLVM_NATIVE_TARGETMC=LLVMInitialize{}TargetMC".format(arch),
- "LLVM_NATIVE_TARGETMCA=LLVMInitialize{}TargetMCA".format(arch),
- r'LLVM_HOST_TRIPLE=\"{}\"'.format(triple),
- r'LLVM_DEFAULT_TARGET_TRIPLE=\"{}\"'.format(triple),
- ]
-
-posix_defines = [
- "LLVM_ON_UNIX=1",
- "HAVE_BACKTRACE=1",
- "BACKTRACE_HEADER=<execinfo.h>",
- r'LTDL_SHLIB_EXT=\".so\"',
- r'LLVM_PLUGIN_EXT=\".so\"',
- "LLVM_ENABLE_THREADS=1",
- "HAVE_DEREGISTER_FRAME=1",
- "HAVE_LIBPTHREAD=1",
- "HAVE_PTHREAD_GETNAME_NP=1",
- "HAVE_PTHREAD_H=1",
- "HAVE_PTHREAD_SETNAME_NP=1",
- "HAVE_REGISTER_FRAME=1",
- "HAVE_SETENV_R=1",
- "HAVE_STRERROR_R=1",
- "HAVE_SYSEXITS_H=1",
- "HAVE_UNISTD_H=1",
-]
-
-linux_defines = posix_defines + [
- "_GNU_SOURCE",
- "HAVE_MALLINFO=1",
- "HAVE_SBRK=1",
- "HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC=1",
-]
-
-macos_defines = posix_defines + [
- "HAVE_MACH_MACH_H=1",
- "HAVE_MALLOC_MALLOC_H=1",
- "HAVE_MALLOC_ZONE_STATISTICS=1",
- "HAVE_PROC_PID_RUSAGE=1",
- "HAVE_UNW_ADD_DYNAMIC_FDE=1",
-]
-
-win32_defines = [
- # Windows system library specific defines.
- "_CRT_SECURE_NO_DEPRECATE",
- "_CRT_SECURE_NO_WARNINGS",
- "_CRT_NONSTDC_NO_DEPRECATE",
- "_CRT_NONSTDC_NO_WARNINGS",
- "_SCL_SECURE_NO_DEPRECATE",
- "_SCL_SECURE_NO_WARNINGS",
- "UNICODE",
- "_UNICODE",
+CONFIG_H_SUBSTITUTIONS = (
+ {"${BUG_REPORT_URL}": "https://github.com/llvm/llvm-project/issues/"} |
+ cmakedefine01(
+ "ENABLE_BACKTRACES",
+ disable = "//llvm/config:LLVM_ENABLE_BACKTRACES_disabled",
+ ) |
+ cmakedefine01(
+ "ENABLE_CRASH_OVERRIDES",
+ disable = "//llvm/config:LLVM_ENABLE_CRASH_OVERRIDES_disabled",
+ ) |
+ cmakedefine01(
+ "LLVM_ENABLE_CRASH_DUMPS",
+ enable = "//llvm/config:LLVM_ENABLE_CRASH_DUMPS_enabled",
+ ) |
+ cmakedefine01(
+ "ENABLE_DEBUGLOC_COVERAGE_TRACKING",
+ enable = "//llvm/config:LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING_coverage",
+ ) |
+ cmakedefine01(
+ "LLVM_WINDOWS_PREFER_FORWARD_SLASH",
+ enable = (
+ "@bazel_tools//tools/cpp:mingw",
+ "//llvm/config:LLVM_WINDOWS_PREFER_FORWARD_SLASH_enabled",
+ ),
+ disable = (
+ "//llvm/config:LLVM_WINDOWS_PREFER_FORWARD_SLASH_disabled",
+ "//conditions:default",
+ ),
+ ) |
+ cmakedefine("HAVE_BACKTRACE", enable = "//llvm/config:posix") |
+ {"${BACKTRACE_HEADER}": "execinfo.h"} |
+ {
+ "#cmakedefine HAVE_CRASHREPORTERCLIENT_H": "/* #undef HAVE_CRASHREPORTERCLIENT_H */",
+ } |
+ cmakedefine01_off("HAVE_CRASHREPORTER_INFO") |
+ cmakedefine01_off("HAVE_DECL_ARC4RANDOM") |
+ cmakedefine01_on("HAVE_DECL_FE_ALL_EXCEPT") |
+ cmakedefine01_on("HAVE_DECL_FE_INEXACT") |
+ cmakedefine01_off("HAVE_DECL_STRERROR_S") |
+ cmakedefine_set("HAVE_DLOPEN") |
+ cmakedefine("HAVE_REGISTER_FRAME", enable = "//llvm/config:posix") |
+ cmakedefine("HAVE_DEREGISTER_FRAME", enable = "//llvm/config:posix") |
+ cmakedefine("HAVE_UNW_ADD_DYNAMIC_FDE", enable = "@platforms//os:macos") |
+ cmakedefine_unset("HAVE_FFI_CALL") |
+ cmakedefine_unset("HAVE_FFI_FFI_H") |
+ cmakedefine_unset("HAVE_FFI_H") |
+ cmakedefine_set("HAVE_FUTIMENS") |
+ cmakedefine_set("HAVE_FUTIMES") |
+ cmakedefine_set("HAVE_GETPAGESIZE") |
+ cmakedefine_set("HAVE_GETRUSAGE") |
+ {"#cmakedefine HAVE_ISATTY 1": "#define HAVE_ISATTY 1"} |
+ cmakedefine_unset("HAVE_LIBEDIT") |
+ # TODO: Wire this up Exegesis and remove custom logic.
+ cmakedefine_unset("HAVE_LIBPFM") |
+ cmakedefine_unset("LIBPFM_HAS_FIELD_CYCLES") |
+ cmakedefine_unset("HAVE_LIBPSAPI") |
+ cmakedefine("HAVE_LIBPTHREAD", enable = "//llvm/config:posix") |
+ cmakedefine("HAVE_PTHREAD_GETNAME_NP", enable = "//llvm/config:posix") |
+ cmakedefine("HAVE_PTHREAD_SETNAME_NP", enable = "//llvm/config:posix") |
+ cmakedefine_unset("HAVE_PTHREAD_GET_NAME_NP") | # TODO: Likely wrong?
+ cmakedefine_unset("HAVE_PTHREAD_SET_NAME_NP") | # TODO: Likely wrong?
+ cmakedefine("HAVE_MACH_MACH_H", enable = "@platforms//os:macos") |
+ cmakedefine_unset("HAVE_MALLCTL") |
+ cmakedefine("HAVE_MALLINFO", enable = "@platforms//os:linux") |
+ # TODO(aaronmondal): Make configurable and enable by default.
+ cmakedefine_unset("HAVE_MALLINFO2") |
+ cmakedefine("HAVE_MALLOC_MALLOC_H", enable = "@platforms//os:macos") |
+ cmakedefine(
+ "HAVE_MALLOC_ZONE_STATISTICS",
+ enable = "@platforms//os:macos",
+ ) |
+ cmakedefine_set("HAVE_POSIX_SPAWN") |
+ cmakedefine_set("HAVE_PREAD") |
+ cmakedefine("HAVE_PTHREAD_H", enable = "//llvm/config:posix") |
+ cmakedefine_set("HAVE_PTHREAD_MUTEX_LOCK") |
+ cmakedefine_set("HAVE_PTHREAD_RWLOCK_INIT") |
+ cmakedefine("HAVE_SBRK", enable = "@platforms//os:linux") |
+ cmakedefine("HAVE_SETENV", enable = "//llvm/config:posix") |
+ cmakedefine_set("HAVE_SIGALTSTACK") |
+ cmakedefine("HAVE_STRERROR_R", enable = "//llvm/config:posix") |
+ cmakedefine_set("HAVE_SYSCONF") |
+ cmakedefine_set("HAVE_SYS_MMAN_H") |
+ cmakedefine_unset("HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC") |
+ cmakedefine(
+ "HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC",
+ enable = "@platforms//os:linux",
+ ) |
+ cmakedefine("HAVE_UNISTD_H", enable = "//llvm/config:posix") |
+ cmakedefine_unset("HAVE_VALGRIND_VALGRIND_H") |
+ cmakedefine_unset("HAVE__ALLOCA") |
+ cmakedefine_unset("HAVE__CHSIZE_S") |
+ cmakedefine_set("HAVE__UNWIND_BACKTRACE") |
+ cmakedefine_unset("HAVE___ALLOCA") |
+ cmakedefine_unset("HAVE___ASHLDI3") |
+ cmakedefine_unset("HAVE___ASHRDI3") |
+ cmakedefine_unset("HAVE___CHKSTK") |
+ cmakedefine_unset("HAVE___CHKSTK_MS") |
+ cmakedefine_unset("HAVE___CMPDI2") |
+ cmakedefine_unset("HAVE___DIVDI3") |
+ cmakedefine_unset("HAVE___FIXDFDI") |
+ cmakedefine_unset("HAVE___FIXSFDI") |
+ cmakedefine_unset("HAVE___FLOATDIDF") |
+ cmakedefine_unset("HAVE___LSHRDI3") |
+ cmakedefine_unset("HAVE___MAIN") |
+ cmakedefine_unset("HAVE___MODDI3") |
+ cmakedefine_unset("HAVE___UDIVDI3") |
+ cmakedefine_unset("HAVE___UMODDI3") |
+ cmakedefine_unset("HAVE____CHKSTK") |
+ cmakedefine_unset("HAVE____CHKSTK_MS") |
+ {
+ '#cmakedefine HOST_LINK_VERSION "${HOST_LINK_VERSION}"': "/* #undef HOST_LINK_VERSION */",
+ '#cmakedefine LLVM_TARGET_TRIPLE_ENV "${LLVM_TARGET_TRIPLE_ENV}"': "/* #undef LLVM_TARGET_TRIPLE_ENV */",
+ } |
+ cmakedefine01_on("LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO") |
+ cmakedefine01_on("LLVM_VERSION_PRINTER_SHOW_BUILD_CONFIG") |
+ cmakedefine_unset("LLVM_ENABLE_LIBXML2") |
+ select({
+ "@platforms//os:windows": cmakedefine_string("LTDL_SHLIB_EXT", ".dll"),
+ "@platforms//os:macos": cmakedefine_string("LTDL_SHLIB_EXT", ".dylib"),
----------------
aaronmondal wrote:
FYI @keith Previously this and `LLVM_PLUGIN_EXT` were set to `.so` on macos which didn't match CMake.
https://github.com/llvm/llvm-project/pull/126729
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