diff options
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/SConstruct b/SConstruct index 1fec033881..615ca447f9 100644 --- a/SConstruct +++ b/SConstruct @@ -61,8 +61,14 @@ elif platform_arg == "javascript": # Use generic POSIX build toolchain for Emscripten. custom_tools = ["cc", "c++", "ar", "link", "textfile", "zip"] -# Construct the environment using the user's host env variables. -env_base = Environment(ENV=os.environ, tools=custom_tools) +# We let SCons build its default ENV as it includes OS-specific things which we don't +# want to have to pull in manually. +# Then we prepend PATH to make it take precedence, while preserving SCons' own entries. +env_base = Environment(tools=custom_tools) +env_base.PrependENVPath("PATH", os.getenv("PATH")) +env_base.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH")) +if "TERM" in os.environ: # Used for colored output. + env_base["ENV"]["TERM"] = os.environ["TERM"] env_base.disabled_modules = [] env_base.module_version_string = "" @@ -240,13 +246,16 @@ for path in module_search_paths: # Built-in modules don't have nested modules, # so save the time it takes to parse directories. modules = methods.detect_modules(path, recursive=False) - else: # External. + else: # Custom. modules = methods.detect_modules(path, env_base["custom_modules_recursive"]) + # Provide default include path for both the custom module search `path` + # and the base directory containing custom modules, as it may be different + # from the built-in "modules" name (e.g. "custom_modules/summator/summator.h"), + # so it can be referenced simply as `#include "summator/summator.h"` + # independently of where a module is located on user's filesystem. + env_base.Prepend(CPPPATH=[path, os.path.dirname(path)]) # Note: custom modules can override built-in ones. modules_detected.update(modules) - include_path = os.path.dirname(path) - if include_path: - env_base.Prepend(CPPPATH=[include_path]) # Add module options. for name, path in modules_detected.items(): @@ -379,7 +388,7 @@ if selected_platform in platform_list: if not (f[0] in ARGUMENTS): # allow command line to override platform flags env[f[0]] = f[1] - # Must happen after the flags definition, so that they can be used by platform detect + # Must happen after the flags' definition, so that they can be used by platform detect detect.configure(env) # Set our C and C++ standard requirements. |