From e98a7504f2d9d2be76de83008ad21d6fe294bbcd Mon Sep 17 00:00:00 2001
From: Dmitri Makarov <dmakarov@alumni.stanford.edu>
Date: Thu, 24 Jun 2021 16:34:45 -0700
Subject: [PATCH] Bump bpf-tools version to 1.12

---
 programs/bpf/c/src/float/float.c | 6 ++++++
 sdk/bpf/scripts/install.sh       | 2 +-
 sdk/cargo-build-bpf/src/main.rs  | 2 +-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/programs/bpf/c/src/float/float.c b/programs/bpf/c/src/float/float.c
index a270cfe31..58d11b0f4 100644
--- a/programs/bpf/c/src/float/float.c
+++ b/programs/bpf/c/src/float/float.c
@@ -5,6 +5,8 @@
  */
 #include <solana_sdk.h>
 
+extern double log2(double arg);
+
 extern uint64_t entrypoint(const uint8_t *input) {
   SolAccountInfo ka[1];
   SolParameters params = (SolParameters) { .ka = ka };
@@ -23,5 +25,9 @@ extern uint64_t entrypoint(const uint8_t *input) {
   value /= -2.0;
   sol_assert(value < 0.0);
 
+  /* test that standard math functions are available */
+  value = *data + 1.0;
+  sol_assert(log2(value) == 1.0);
+
   return SUCCESS;
 }
diff --git a/sdk/bpf/scripts/install.sh b/sdk/bpf/scripts/install.sh
index 4e97ad08a..6e88c1c46 100755
--- a/sdk/bpf/scripts/install.sh
+++ b/sdk/bpf/scripts/install.sh
@@ -92,7 +92,7 @@ if [[ ! -e criterion-$version.md || ! -e criterion ]]; then
 fi
 
 # Install Rust-BPF
-version=v1.11
+version=v1.12
 if [[ ! -e bpf-tools-$version.md || ! -e bpf-tools ]]; then
   (
     set -e
diff --git a/sdk/cargo-build-bpf/src/main.rs b/sdk/cargo-build-bpf/src/main.rs
index 207eb9e78..ac9e7f754 100644
--- a/sdk/cargo-build-bpf/src/main.rs
+++ b/sdk/cargo-build-bpf/src/main.rs
@@ -414,7 +414,7 @@ fn build_bpf_package(config: &Config, target_directory: &Path, package: &cargo_m
     install_if_missing(
         config,
         "bpf-tools",
-        "v1.11",
+        "v1.12",
         "https://github.com/solana-labs/bpf-tools/releases/download",
         &PathBuf::from(bpf_tools_filename),
     )