Run 32 bit CI builds

5 files changed, 35 insertions, 12 deletions

diff --git a/nix-test/Cargo.toml b/nix-test/Cargo.toml
index 0082e0e4..e62a8e52 100644
--- a/nix-test/Cargo.toml
+++ b/nix-test/Cargo.toml
@@ -10,3 +10,6 @@ license     = "MIT"
 
 [dependencies]
 libc = "*"
+
+[build-dependencies]
+gcc = "0.3.8"
diff --git a/nix-test/Makefile b/nix-test/Makefile
deleted file mode 100644
index 67674529..00000000
--- a/nix-test/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-OUT    = libnixtest.a
-CFLAGS = -fPIC -D$(OS)
-OBJS   = const.o \
-		 sizes.o
-
-$(OUT): $(OBJS)
-	ar -rcs $@ $^
-
-clean:
-	rm -f $(OBJS)
-	rm -f $(OUT)
diff --git a/nix-test/build.rs b/nix-test/build.rs
index b9421014..6717b48c 100644
--- a/nix-test/build.rs
+++ b/nix-test/build.rs
@@ -1,3 +1,30 @@
+extern crate gcc;
+
+use std::env;
+
+pub fn main() {
+    let target = env::var("TARGET").unwrap();
+
+    let os = if target.contains("linux") {
+        "LINUX"
+    } else if target.contains("darwin") {
+        "DARWIN"
+    } else {
+        "UNKNOWN"
+    };
+
+    let mut config = gcc::Config::new();
+
+    for file in &["src/const.c", "src/sizes.c"] {
+        config.file(file);
+    }
+
+    config.define(os, None);
+
+    config.compile("libnixtest.a");
+}
+
+/*
 use std::env;
 use std::process::Command;
 
@@ -28,3 +55,4 @@ pub fn main() {
 
     println!("cargo:rustc-flags=-L {}/", out);
 }
+*/
diff --git a/nix-test/src/const.c b/nix-test/src/const.c
index 87f6ae5c..42030833 100644
--- a/nix-test/src/const.c
+++ b/nix-test/src/const.c
@@ -275,8 +275,8 @@ get_int_const(const char* err) {
     // GET_CONST(SO_PEEK_OFF);
     GET_CONST(SO_PEERCRED);
     GET_CONST(SO_SNDBUFFORCE);
+#endif
 
     return -1;
 
-#endif
 }
diff --git a/nix-test/src/sizes.c b/nix-test/src/sizes.c
index 8cf30d20..97a9b4a3 100644
--- a/nix-test/src/sizes.c
+++ b/nix-test/src/sizes.c
@@ -17,6 +17,9 @@
 
 size_t
 size_of(const char* type) {
+    // Builtin
+    SIZE_OF_T(long);
+
     // sys/socket
     SIZE_OF_S(sockaddr_storage);