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for msvc abi builds, add support for using sqlite from a vcpkg installation if available

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This commit is contained in:
Jim McGrath
2017-05-27 22:35:46 -05:00
parent cd824aeaee
commit 0dd10f85ba
3 changed files with 51 additions and 13 deletions
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15
libsqlite3-sys/Cargo.toml
View File

@@ -13,15 +13,16 @@ categories = ["database", "external-ffi-bindings"]
[features]
default = ["min_sqlite_version_3_6_8"]
bundled = ["gcc"]
buildtime_bindgen = ["bindgen", "pkg-config"]
min_sqlite_version_3_6_8 = ["pkg-config"]
min_sqlite_version_3_6_11 = ["pkg-config"]
min_sqlite_version_3_6_23 = ["pkg-config"]
min_sqlite_version_3_7_3 = ["pkg-config"]
min_sqlite_version_3_7_4 = ["pkg-config"]
min_sqlite_version_3_7_16 = ["pkg-config"]
buildtime_bindgen = ["bindgen", "pkg-config", "vcpkg"]
min_sqlite_version_3_6_8 = ["pkg-config", "vcpkg"]
min_sqlite_version_3_6_11 = ["pkg-config", "vcpkg"]
min_sqlite_version_3_6_23 = ["pkg-config", "vcpkg"]
min_sqlite_version_3_7_3 = ["pkg-config", "vcpkg"]
min_sqlite_version_3_7_4 = ["pkg-config", "vcpkg"]
min_sqlite_version_3_7_16 = ["pkg-config", "vcpkg"]
[build-dependencies]
bindgen = { version = "0.21", optional = true }
pkg-config = { version = "0.3", optional = true }
gcc = { version = "0.3", optional = true }
vcpkg = { version = "0.2", optional = true }

24
libsqlite3-sys/build.rs
View File

@@ -42,6 +42,9 @@ mod build {
mod build {
extern crate pkg_config;
#[cfg(feature = "vcpkg")]
extern crate vcpkg;
use std::env;
pub enum HeaderLocation {
@@ -79,6 +82,10 @@ mod build {
return HeaderLocation::FromEnvironment;
}
if let Some(header) = try_vcpkg() {
return header;
}
// See if pkg-config can do everything for us.
match pkg_config::Config::new().print_system_libs(false).probe("sqlite3") {
Ok(mut lib) => {
@@ -100,6 +107,23 @@ mod build {
}
}
#[cfg(feature = "vcpkg")]
fn try_vcpkg() -> Option<HeaderLocation> {
// See if vcpkg can find it.
if let Ok(mut lib) = vcpkg::Config::new().probe("sqlite3") {
if let Some(mut header) = lib.include_paths.pop() {
header.push("sqlite3.h");
return Some(HeaderLocation::FromPath(header.to_string_lossy().into()));
}
}
None
}
#[cfg(not(feature = "vcpkg"))]
fn try_vcpkg() -> Option<HeaderLocation> {
None
}
#[cfg(not(feature = "buildtime_bindgen"))]
mod bindings {
use super::HeaderLocation;