new example

.github/workflows/build.yml

@@ -20,23 +20,6 @@ jobs:
       if: startsWith(matrix.os, 'ubuntu')
       run: sudo apt install libgl-dev libglu1-mesa-dev xvfb
 
-    - name: Compile
-      shell: bash
-      working-directory: ./ci
-      run: make
-
-    - name: Run CI tests (Linux)
-      if: startsWith(matrix.os, 'ubuntu')
-      shell: bash
-      working-directory: ./ci
-      run: LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH xvfb-run ./ci
-
-    - name: Run CI tests (macOS)
-      if: startsWith(matrix.os, 'macos')
-      shell: bash
-      working-directory: ./ci
-      run: ./ci 1
-
     - name: Setup environment
       run: |
         echo "OS=$(uname -s | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
@@ -60,6 +43,23 @@ jobs:
         mlkit --version
         smlpkg --version
 
+    - name: Compile
+      shell: bash
+      working-directory: ./ci
+      run: make
+
+    - name: Run CI tests (Linux)
+      if: startsWith(matrix.os, 'ubuntu')
+      shell: bash
+      working-directory: ./ci
+      run: LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH xvfb-run ./ci
+
+    - name: Run CI tests (macOS)
+      if: startsWith(matrix.os, 'macos')
+      shell: bash
+      working-directory: ./ci
+      run: ./ci 1
+
     - name: Compile SML projects
       shell: bash
       working-directory: ./sml-examples

Makefile

@@ -1,6 +1,6 @@
 
 .PHONY: prepare
-prepare:
+prepare: lib/github.com/diku-dk/sml-random
 	$(MAKE) -C src
 	$(MAKE) -C lib/github.com/diku-dk/sml-tigr/clib lib
 
@@ -20,3 +20,6 @@ clean:
 	$(MAKE) -C sml-examples/hello clean
 	$(MAKE) -C sml-examples/flags clean
 	$(MAKE) -C sml-examples/mandel clean
+
+lib/github.com/diku-dk/sml-random:
+	smlpkg sync

sml-examples/nbody/.gitignore

@@ -0,0 +1,4 @@
+*.exe
+*~
+MLB
+libtigr.so

sml-examples/nbody/Makefile

@@ -0,0 +1,27 @@
+PROGNAME=nbody
+MLKIT=mlkit
+LIBS=
+ifeq ($(OS),Windows_NT)
+	LDFLAGS += -s -lopengl32 -lgdi32
+else
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		LDFLAGS += -arch x86_64 -framework OpenGL -framework Cocoa -L. -ltigr
+	else ifeq ($(UNAME_S),Linux)
+		LDFLAGS += -L.
+		LIBS += -libs 'm,c,dl,GLU,GL,X11,tigr'
+	endif
+endif
+
+.PHONY: all
+all: $(PROGNAME).exe
+
+$(PROGNAME).exe: $(PROGNAME).mlb $(PROGNAME).sml libtigr.so
+	MLCOMP=mlkit $(MLKIT) -ldexe '$(CC) $(LDFLAGS)' $(LIBS) -o $@ $<
+
+libtigr.so: ../../lib/github.com/diku-dk/sml-tigr/clib/libtigr.so
+	cp $< $@
+
+.PHONY: clean
+clean:
+	rm -rf *~ *.exe MLB libtigr.so

sml-examples/nbody/nbody.mlb

@@ -0,0 +1,6 @@
+local $(SML_LIB)/basis/basis.mlb
+      ../../lib/github.com/diku-dk/sml-tigr/tigr.mlb
+      ../../lib/github.com/diku-dk/sml-random/random.mlb
+in
+      nbody.sml
+end