mirror of
https://github.com/janet-lang/janet
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105 lines
2.8 KiB
Plaintext
105 lines
2.8 KiB
Plaintext
# Library to help build janet natives and other
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# build artifacts.
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# Windows is the OS outlier
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(def- is-win (= (os/which) :windows))
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(defn- shell
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"Do a shell command"
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[& args]
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(print ;args)
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(def res (os/shell (string ;args)))
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(unless (zero? res)
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(print "Error executing command: " ;args)
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(os/exit res)))
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(defn- mkdir
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"Make a directory. Not safe for user code."
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[path]
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(if is-win
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(shell "mkdir " path)
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(shell "mkdir -p " path)))
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(defn- rm
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"Remove a directory. Not safe for user code."
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[path]
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(if is-win
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(shell "rmdir " path " /s")
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(shell "rm -rf " path)))
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(defn- object-name
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"Rename a source file so it can be built in a flat source tree."
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[path]
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(if is-win
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(->> path
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(string/replace-all "\\" "___")
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(string/replace-all ".c" ".obj")
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(string "build\\")))
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(->> path
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(string/replace-all "/" "___")
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(string/replace-all ".c" ".o")
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(string "build/")))
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(defn- lib-name
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"Generate name for dynamic library."
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[name]
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(if is-win
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(string "build\\" name ".dll")
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(string "build/" name ".so")))
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# Defaults
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(def OPTIMIZE 2)
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(def CC (if is-win "cl" "cc"))
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(def LD (if is-win "link" (string CC " -shared")))
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(def CFLAGS (string (if is-win "/0" "-std=c99 -Wall -Wextra -fpic -O") OPTIMIZE))
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(defn- compile-c
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"Compile a C file into an object file."
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[opts src dest]
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(def cc (or opts:compiler CC))
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(def cflags (or opts:cflags CFLAGS))
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(if is-win
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(shell cc " /nologo /c " cflags " /Fo" dest " " src)
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(shell cc " " cflags " -o " dest " -c " src)))
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(defn- link-c
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"Link a number of object files together."
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[opts target & objects]
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(def ld (or opts:linker LD))
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(def cflags (or opts:cflags CFLAGS))
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(def olist (string/join objects " "))
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(if is-win
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(shell ld "/out:" target " " olist)
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(shell ld " " cflags " -o " target " " olist)))
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# Public
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(defn make-native
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"Build a native binary. This is a shared library that can be loaded
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dynamically by a janet runtime."
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[& opts]
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(def opt-table (table ;opts))
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(mkdir "build")
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(loop [src :in opt-table:source]
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(compile-c opt-table src (object-name src)))
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(link-c opt-table (lib-name opt-table:name) ;(map object-name opt-table:source)))
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(defn clean
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"Remove all built artifacts."
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[]
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(rm "build"))
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(defn make-archive
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"Build a janet archive. This is a file that bundles together many janet
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scripts into a janet form. This file can the be moved to any machine with
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a janet vm and the required dependencies and run there."
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[& opts]
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(error "Not Yet Implemented."))
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(defn make-binary
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"Make a binary executable that can be run on the current platform. This function
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generates a self contained binary that can be run of the same architecture as the
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build machine, as the current janet vm will be packaged with the output binary."
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[& opts]
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(error "Not Yet Implemented."))
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