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Merge pull request #1537 from gwenn/isnan

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Isnan
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gwenn 2024-07-20 09:49:27 +02:00 committed by GitHub
commit cd6a6f4b36
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1 changed files with 5 additions and 24 deletions
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29
libsqlite3-sys/build.rs
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@ -131,12 +131,12 @@ mod build_bundled {
.flag("-DSQLITE_ENABLE_LOAD_EXTENSION=1") .flag("-DSQLITE_ENABLE_LOAD_EXTENSION=1")
.flag("-DSQLITE_ENABLE_MEMORY_MANAGEMENT") .flag("-DSQLITE_ENABLE_MEMORY_MANAGEMENT")
.flag("-DSQLITE_ENABLE_RTREE") .flag("-DSQLITE_ENABLE_RTREE")
.flag("-DSQLITE_ENABLE_STAT2")
.flag("-DSQLITE_ENABLE_STAT4") .flag("-DSQLITE_ENABLE_STAT4")
.flag("-DSQLITE_SOUNDEX") .flag("-DSQLITE_SOUNDEX")
.flag("-DSQLITE_THREADSAFE=1") .flag("-DSQLITE_THREADSAFE=1")
.flag("-DSQLITE_USE_URI") .flag("-DSQLITE_USE_URI")
.flag("-DHAVE_USLEEP=1") .flag("-DHAVE_USLEEP=1")
.flag("-DHAVE_ISNAN")
.flag("-D_POSIX_THREAD_SAFE_FUNCTIONS") // cross compile with MinGW .flag("-D_POSIX_THREAD_SAFE_FUNCTIONS") // cross compile with MinGW
.warnings(false); .warnings(false);
@ -236,25 +236,6 @@ mod build_bundled {
cfg.static_crt(true); cfg.static_crt(true);
} }
// Older versions of visual studio don't support c99 (including isnan), which
// causes a build failure when the linker fails to find the `isnan`
// function. `sqlite` provides its own implementation, using the fact
// that x != x when x is NaN.
//
// There may be other platforms that don't support `isnan`, they should be
// tested for here.
if is_compiler("msvc") {
use cc::windows_registry::{find_vs_version, VsVers};
let vs_has_nan = match find_vs_version() {
Ok(ver) => ver != VsVers::Vs12,
Err(_msg) => false,
};
if vs_has_nan {
cfg.flag("-DHAVE_ISNAN");
}
} else {
cfg.flag("-DHAVE_ISNAN");
}
if !win_target() { if !win_target() {
cfg.flag("-DHAVE_LOCALTIME_R"); cfg.flag("-DHAVE_LOCALTIME_R");
} }
@ -283,17 +264,17 @@ mod build_bundled {
} }
if let Ok(limit) = env::var("SQLITE_MAX_VARIABLE_NUMBER") { if let Ok(limit) = env::var("SQLITE_MAX_VARIABLE_NUMBER") {
cfg.flag(&format!("-DSQLITE_MAX_VARIABLE_NUMBER={limit}")); cfg.flag(format!("-DSQLITE_MAX_VARIABLE_NUMBER={limit}"));
} }
println!("cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER"); println!("cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER");
if let Ok(limit) = env::var("SQLITE_MAX_EXPR_DEPTH") { if let Ok(limit) = env::var("SQLITE_MAX_EXPR_DEPTH") {
cfg.flag(&format!("-DSQLITE_MAX_EXPR_DEPTH={limit}")); cfg.flag(format!("-DSQLITE_MAX_EXPR_DEPTH={limit}"));
} }
println!("cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH"); println!("cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH");
if let Ok(limit) = env::var("SQLITE_MAX_COLUMN") { if let Ok(limit) = env::var("SQLITE_MAX_COLUMN") {
cfg.flag(&format!("-DSQLITE_MAX_COLUMN={limit}")); cfg.flag(format!("-DSQLITE_MAX_COLUMN={limit}"));
} }
println!("cargo:rerun-if-env-changed=SQLITE_MAX_COLUMN"); println!("cargo:rerun-if-env-changed=SQLITE_MAX_COLUMN");
@ -302,7 +283,7 @@ mod build_bundled {
if extra.starts_with("-D") || extra.starts_with("-U") { if extra.starts_with("-D") || extra.starts_with("-U") {
cfg.flag(extra); cfg.flag(extra);
} else if extra.starts_with("SQLITE_") { } else if extra.starts_with("SQLITE_") {
cfg.flag(&format!("-D{extra}")); cfg.flag(format!("-D{extra}"));
} else { } else {
panic!("Don't understand {} in LIBSQLITE3_FLAGS", extra); panic!("Don't understand {} in LIBSQLITE3_FLAGS", extra);
} }