[RLIBM_32] Add builder (#3560)

R/RLIBM_32/build_tarballs.jl

@@ -0,0 +1,37 @@
+# Note that this script can accept some limited command-line arguments, run
+# `julia build_tarballs.jl --help` to see a usage message.
+using BinaryBuilder
+
+name = "RLIBM_32"
+version = v"0.0.1"
+
+# Collection of sources required to complete build
+sources = [
+    GitSource("https://github.com/rutgers-apl/rlibm-32.git",
+              "44560acbd2ee22242989bdac259ad3665fa85d06"),
+    DirectorySource("./bundled")
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir/rlibm-32*
+make -f ../Makefile -j${nproc}
+make -f ../Makefile install
+install_license LICENSE
+"""
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = supported_platforms(; experimental=true)
+
+# The products that we will ensure are always built
+products = [
+    LibraryProduct("floatMathLib", :floatMathLib)
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = Dependency[
+]
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies; julia_compat="1.6")

R/RLIBM_32/bundled/Makefile

@@ -0,0 +1,31 @@
+CC := gcc
+CFLAGS := -std=c11 -O3 -fPIC
+
+floatFNames = log log2 log10 exp exp2 exp10 sinh cosh sinpi cospi log2_8 log10_8
+
+floatSrcDir = source/float
+floatObjDir = obj/float
+libDir = lib
+
+floatSrc = $(patsubst %, $(floatSrcDir)/%.c, $(floatFNames))
+floatObj = $(patsubst %, $(floatObjDir)/%.o, $(floatFNames))
+
+all: floatmlib
+
+$(floatObjDir)/%.o: $(floatSrcDir)/%.c
+	@mkdir -p $(floatObjDir)
+	$(CC) $(CFLAGS) -c $^ -Iinclude/ -o $@
+
+$(libDir)/floatMathLib.$(dlext): $(floatObj)
+	@mkdir -p $(libDir)
+	$(CC) -shared $^ -o $@
+
+install: all
+	install -Dm755 $(libDir)/floatMathLib.$(dlext) $(libdir)/floatMathLib.$(dlext)
+
+floatmlib: $(libDir)/floatMathLib.$(dlext)
+
+clean:
+	rm -rf obj lib *.dSYM
+
+.PHONY: all clean floatmlib install