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libostd
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more build cleanups

master
Daniel Kolesa 2017-05-01 17:49:27 +02:00
parent fbdcbed55e
commit 52ed8d7c08
2 changed files with 32 additions and 37 deletions
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4
README.md
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@ -36,10 +36,10 @@ It also recognizes the environment variables `CXX` (the C++ compiler used
to build, defaults to `c++`), `AS` (the assembler used to build, defaults to
`c++` as well, as Clang and GCC can compile assembly files), `AR` (the tool
to create static lib archives, `ar` by default) and `STRIP` (the tool used
to strip the library in release mode).
to strip the library in release mode, `strip` by default).
Additionally, the `CXXFLAGS`, `LDFLAGS` and `ASFLAGS` environment variables
are also used. The `CXXFLAGS` are passed when compiling C++ source files as
well as when linking (the compiler is used to link). The `LDFLAGS` are passed
additionally to `CXXFLAGS` only when linking. The `ASFLAGS` are passed to
the assembler (`CXXFLAGS` are not, even when Clang/GCC are used).
the assembler (`CXXFLAGS` are not, even when Clang/GCC is used).

65
build.cc
View File

@ -150,19 +150,40 @@ static fs::path path_with_ext(fs::path const &p, fs::path const &ext) {
return rp;
}
static void try_remove(fs::path const &path) {
static void try_remove(fs::path const &path, bool all = false) {
try {
fs::remove(path);
if (all) {
fs::remove_all(path);
} else {
fs::remove(path);
}
} catch (fs::filesystem_error const &) {}
}
static bool verbose = false;
template<typename ...A>
static void echo_q(A const &...args) {
if (!verbose) {
std::printf(args...);
}
}
static void exec_v(
std::string const &cmd, std::vector<std::string> const &args
) {
if (verbose) {
print_command(cmd, args);
}
exec_command(cmd, args);
}
int main(int argc, char **argv) {
bool build_examples = true;
bool build_testsuite = true;
bool build_static = true;
bool build_shared = false;
char const *build_cfg = "debug";
bool verbose = false;
bool clean = false;
std::string cxxflags = "-std=c++1z -I. -O2 -Wall -Wextra -Wshadow "
@ -227,58 +248,32 @@ int main(int argc, char **argv) {
add_env(ldflags, "LDFLAGS");
add_env(asflags, "ASFLAGS");
auto echo_q = [verbose](auto const &...args) {
if (!verbose) {
std::printf(args...);
}
};
auto exec_v = [verbose](
std::string const &cmd, std::vector<std::string> const &args
) {
if (verbose) {
print_command(cmd, args);
}
exec_command(cmd, args);
};
if (clean) {
std::printf("Cleaning...\n");
fs::path exp = "examples";
for (auto ex: EXAMPLES) {
auto rp = exp / ex;
auto rp = fs::path{"examples"} / ex;
try_remove(rp);
rp.replace_extension(".o");
try_remove(rp);
}
fs::path asp = ASM_SOURCE_DIR;
for (auto aso: ASM_SOURCES) {
auto rp = asp / aso;
rp.replace_extension(".o");
auto rp = path_with_ext(fs::path{ASM_SOURCE_DIR} / aso, ".o");
try_remove(rp);
std::string fname = aso;
fname += "_dyn.o";
rp.replace_filename(fname);
rp.replace_filename(std::string{aso} + "_dyn.o");
try_remove(rp);
}
fs::path csp = CXX_SOURCE_DIR;
for (auto cso: CXX_SOURCES) {
auto rp = csp / cso;
rp.replace_extension(".o");
auto rp = path_with_ext(fs::path{CXX_SOURCE_DIR} / cso, ".o");
try_remove(rp);
std::string fname = cso;
fname += "_dyn.o";
rp.replace_filename(fname);
rp.replace_filename(std::string{cso} + "_dyn.o");
try_remove(rp);
}
try_remove(OSTD_STATIC_LIB);
try_remove(OSTD_SHARED_LIB);
try_remove("test_runner.o");
try_remove("test_runner");
try {
fs::remove_all("tests");
} catch (fs::filesystem_error const &) {}
try_remove("tests", true);
return 0;
}