write configuration .pri files from build.rs and use them

build.rs

@@ -2,7 +2,7 @@ use std::collections::HashMap;
 use std::env;
 use std::error::Error;
 use std::fs;
-use std::io::{BufRead, BufReader};
+use std::io::{BufRead, BufReader, Write};
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use std::thread;
@@ -51,6 +51,33 @@ fn check_version(
     Ok(())
 }
 
+fn write_cpp_conf_pri(path: &Path) -> Result<(), Box<dyn Error>> {
+    let mut f = fs::File::create(path)?;
+
+    write!(&mut f, "\n")?;
+
+    Ok(())
+}
+
+fn write_postbuild_conf_pri(
+    path: &Path,
+    bin_dir: &str,
+    lib_dir: &str,
+    config_dir: &str,
+    run_dir: &str,
+    log_dir: &str,
+) -> Result<(), Box<dyn Error>> {
+    let mut f = fs::File::create(path)?;
+
+    write!(&mut f, "BINDIR = {}\n", bin_dir)?;
+    write!(&mut f, "LIBDIR = {}\n", lib_dir)?;
+    write!(&mut f, "CONFIGDIR = {}\n", config_dir)?;
+    write!(&mut f, "RUNDIR = {}\n", run_dir)?;
+    write!(&mut f, "LOGDIR = {}\n", log_dir)?;
+
+    Ok(())
+}
+
 fn main() -> Result<(), Box<dyn Error>> {
     let qt_host_bins = {
         let pkg = "Qt5Core";
@@ -97,7 +124,14 @@ fn main() -> Result<(), Box<dyn Error>> {
         let f = fs::File::open("conf.pri")?;
         let reader = BufReader::new(f);
 
-        const CONF_VARS: &[&str] = &["CONFIGDIR", "LIBDIR", "MAKETOOL"];
+        const CONF_VARS: &[&str] = &[
+            "BINDIR",
+            "CONFIGDIR",
+            "LIBDIR",
+            "LOGDIR",
+            "RUNDIR",
+            "MAKETOOL",
+        ];
 
         for line in reader.lines() {
             let line = line?;
@@ -116,8 +150,11 @@ fn main() -> Result<(), Box<dyn Error>> {
         conf
     };
 
+    let bin_dir = conf.get("BINDIR").unwrap();
     let config_dir = conf.get("CONFIGDIR").unwrap();
     let lib_dir = conf.get("LIBDIR").unwrap();
+    let log_dir = conf.get("LOGDIR").unwrap();
+    let run_dir = conf.get("RUNDIR").unwrap();
     let maketool = fs::canonicalize(conf.get("MAKETOOL").unwrap())?;
 
     let root_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR")?);
@@ -128,6 +165,17 @@ fn main() -> Result<(), Box<dyn Error>> {
         fs::create_dir_all(cpp_lib_dir.join(Path::new(dir)))?;
     }
 
+    write_cpp_conf_pri(&cpp_lib_dir.join(Path::new("conf.pri")))?;
+
+    write_postbuild_conf_pri(
+        &Path::new("target").join(Path::new("postbuild_conf.pri")),
+        bin_dir,
+        lib_dir,
+        config_dir,
+        run_dir,
+        log_dir,
+    )?;
+
     if !cpp_src_dir.join("Makefile").try_exists()? {
         assert!(Command::new(&qmake_path)
             .args(["-o", "Makefile", "cpp.pro"])

postbuild/postbuild.pro

@@ -1,7 +1,7 @@
 TEMPLATE = aux
 CONFIG -= debug_and_release debug
 
-include($$OUT_PWD/../conf.pri)
+include($$OUT_PWD/../target/postbuild_conf.pri)
 
 root_dir = $$PWD/..
 bin_dir = $$root_dir/bin

src/cpp/cpp/cpp.pro

@@ -1,6 +1,6 @@
 TEMPLATE = lib
 CONFIG -= app_bundle
-CONFIG += staticlib
+CONFIG += staticlib c++11
 QT -= gui
 QT += network
 TARGET = pushpin-cpp
@@ -11,5 +11,5 @@ cpp_build_dir = $$OUT_PWD/../../../target/cpp
 MOC_DIR = $$cpp_build_dir/moc
 OBJECTS_DIR = $$cpp_build_dir/obj
 
-include($$OUT_PWD/../../../conf.pri)
+include($$OUT_PWD/../../../target/cpp/conf.pri)
 include(cpp.pri)

src/cpp/tests/tests.pro

@@ -1,6 +1,6 @@
 TEMPLATE = lib
 CONFIG -= app_bundle
-CONFIG += staticlib
+CONFIG += staticlib c++11
 QT -= gui
 QT *= network testlib
 TARGET = pushpin-cpptest
@@ -15,7 +15,7 @@ SRC_DIR = $$PWD/..
 QZMQ_DIR = $$SRC_DIR/qzmq
 RUST_DIR = $$SRC_DIR/../rust
 
-include($$PWD/../../../conf.pri)
+include($$PWD/../../../target/cpp/conf.pri)
 
 INCLUDEPATH += $$SRC_DIR
 INCLUDEPATH += $$SRC_DIR/proxy

src/rust/rust.pro

@@ -1,8 +1,6 @@
 TEMPLATE = aux
 CONFIG -= debug_and_release debug
 
-include($$OUT_PWD/../../conf.pri)
-
 root_dir = $$PWD/../..
 
 CONFIG(debug, debug|release) {