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ports: Add llvm port

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This can be compiled before mesa to make mesa use llvmpipe instead of
softpipe. llvmpipe is at least 10x faster :D
This commit is contained in:
Bananymous
2025-08-05 02:55:19 +03:00
parent 45ad6082bc
commit b586917930
2 changed files with 141 additions and 0 deletions
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107
ports/llvm/patches/0001-add-banan_os-support.patch Normal file
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@@ -0,0 +1,107 @@
diff -ruN llvm-project-20.1.8.src/llvm/include/llvm/ADT/bit.h llvm-project-20.1.8.src-banan_os/llvm/include/llvm/ADT/bit.h
--- llvm-project-20.1.8.src/llvm/include/llvm/ADT/bit.h 2025-07-09 02:06:32.000000000 +0300
+++ llvm-project-20.1.8.src-banan_os/llvm/include/llvm/ADT/bit.h 2025-08-03 17:05:07.723852159 +0300
@@ -29,7 +29,7 @@
#if defined(__linux__) || defined(__GNU__) || defined(__HAIKU__) || \
defined(__Fuchsia__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__) || \
- defined(__OpenBSD__) || defined(__DragonFly__)
+ defined(__OpenBSD__) || defined(__DragonFly__) || defined(__banan_os__)
#include <endian.h>
#elif defined(_AIX)
#include <sys/machine.h>
diff -ruN llvm-project-20.1.8.src/llvm/include/llvm/Support/ExitCodes.h llvm-project-20.1.8.src-banan_os/llvm/include/llvm/Support/ExitCodes.h
--- llvm-project-20.1.8.src/llvm/include/llvm/Support/ExitCodes.h 2025-07-09 02:06:32.000000000 +0300
+++ llvm-project-20.1.8.src-banan_os/llvm/include/llvm/Support/ExitCodes.h 2025-08-03 17:05:35.659696821 +0300
@@ -20,6 +20,8 @@
#if HAVE_SYSEXITS_H
#include <sysexits.h>
+#elif defined(__banan_os__)
+#define EX_IOERR 69
#elif __MVS__ || defined(_WIN32)
// <sysexits.h> does not exist on z/OS and Windows. The only value used in LLVM
// is EX_IOERR, which is used to signal a special error condition (broken pipe).
diff -ruN llvm-project-20.1.8.src/llvm/lib/Support/Unix/Path.inc llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Path.inc
--- llvm-project-20.1.8.src/llvm/lib/Support/Unix/Path.inc 2025-07-09 02:06:32.000000000 +0300
+++ llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Path.inc 2025-08-03 17:06:42.941322766 +0300
@@ -107,7 +107,7 @@
#endif
#if defined(__NetBSD__) || defined(__DragonFly__) || defined(__GNU__) || \
- defined(__MVS__)
+ defined(__MVS__) || defined(__banan_os__)
#define STATVFS_F_FLAG(vfs) (vfs).f_flag
#else
#define STATVFS_F_FLAG(vfs) (vfs).f_flags
@@ -317,6 +317,9 @@
return std::string(real_path);
break; // Found entry, but realpath failed.
}
+#elif defined(__banan_os__)
+ fprintf(stddbg, "TODO: getMainExecutable\n");
+ return "";
#elif defined(HAVE_DLOPEN)
// Use dladdr to get executable path if available.
Dl_info DLInfo;
@@ -506,6 +509,9 @@
#elif defined(__HAIKU__)
// Haiku doesn't expose this information.
return false;
+#elif defined(__banan_os__)
+ // banan-os doesn't currently support remote filesystem mounts.
+ return true;
#elif defined(__sun)
// statvfs::f_basetype contains a null-terminated FSType name of the mounted
// target
diff -ruN llvm-project-20.1.8.src/llvm/lib/Support/Unix/Program.inc llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Program.inc
--- llvm-project-20.1.8.src/llvm/lib/Support/Unix/Program.inc 2025-07-09 02:06:32.000000000 +0300
+++ llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Program.inc 2025-08-03 17:04:50.500947936 +0300
@@ -342,7 +342,7 @@
namespace llvm {
namespace sys {
-#if defined(_AIX)
+#if defined(_AIX) || defined(__banan_os__)
static pid_t(wait4)(pid_t pid, int *status, int options, struct rusage *usage);
#elif !defined(__Fuchsia__)
using ::wait4;
@@ -383,6 +383,17 @@
// would cause the call here to fail with ECHILD).
return ::wait4(pid, status, options & ~WNOHANG, usage);
}
+#elif defined(__banan_os__)
+
+#ifndef _ALL_SOURCE
+extern "C" pid_t(wait4)(pid_t pid, int *status, int options,
+ struct rusage *usage);
+#endif
+pid_t(llvm::sys::wait4)(pid_t pid, int *status, int options,
+ struct rusage *usage) {
+ memset(usage, 0, sizeof(struct rusage));
+ return waitpid(pid, status, options);
+}
#endif
ProcessInfo llvm::sys::Wait(const ProcessInfo &PI,
@@ -468,7 +479,7 @@
std::chrono::microseconds UserT = toDuration(Info.ru_utime);
std::chrono::microseconds KernelT = toDuration(Info.ru_stime);
uint64_t PeakMemory = 0;
-#if !defined(__HAIKU__) && !defined(__MVS__)
+#if !defined(__HAIKU__) && !defined(__MVS__) && !defined(__banan_os__)
PeakMemory = static_cast<uint64_t>(Info.ru_maxrss);
#endif
*ProcStat = ProcessStatistics{UserT + KernelT, UserT, PeakMemory};
diff -ruN llvm-project-20.1.8.src/llvm/lib/Support/Unix/Signals.inc llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Signals.inc
--- llvm-project-20.1.8.src/llvm/lib/Support/Unix/Signals.inc 2025-07-09 02:06:32.000000000 +0300
+++ llvm-project-20.1.8.src-banan_os/llvm/lib/Support/Unix/Signals.inc 2025-08-03 17:03:20.739447219 +0300
@@ -817,7 +817,7 @@
OS << "Stack dump without symbol names (ensure you have llvm-symbolizer in "
"your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point "
"to it):\n";
-#if HAVE_DLOPEN && !defined(_AIX)
+#if HAVE_DLOPEN && !defined(_AIX) && !defined(__banan_os__)
int width = 0;
for (int i = 0; i < depth; ++i) {
Dl_info dlinfo;