made a discovery of some kind of fuckup

justfile

@@ -1,33 +1,51 @@
-CC := "zig cc"
+CC := "cc"
 CFLAGS := "-pedantic -Wall -Wextra -Wno-override-init -O0 -g -fno-omit-frame-pointer -fno-inline"
-LDFLAGS := "-lcriterion"
+LDFLAGS := if os() == "macos" {
+    "$(pkg-config --libs --cflags criterion)"
+} else {
+    "-lcriterion"
+}
 TESTBIN := "/tmp/all_tests"
 
 set shell := ["bash", "-cu"]
 
 FOOBAR := "foobar"
+FOOBAR_SOURCE := FOOBAR+".c"
+FOOBAR_EXPANDED := FOOBAR+"-expanded.c"
 
 run_foobar: build_foobar
     ./{{FOOBAR}}
 
-build_foobar:
-    {{CC}} ./foobar.c -o {{FOOBAR}} {{CFLAGS}}
+build_foobar: foobar_expanded
+    {{CC}} {{FOOBAR_EXPANDED}} -o {{FOOBAR}} {{CFLAGS}}
+
+foobar_expanded:
+    {{CC}} -P -E {{FOOBAR_SOURCE}} -o {{FOOBAR_EXPANDED}}
+    clang-format -i {{FOOBAR_EXPANDED}}
 
 clean_foobar:
     rm {{FOOBAR}}
 
+[default]
 test: build
-	{{TESTBIN}}
+    {{TESTBIN}}
 
 test_memcheck: build
-	valgrind --leak-check=full \
-	          --show-leak-kinds=all \
-	          --trace-children=yes \
-	          --error-exitcode=1 \
-	          {{TESTBIN}}
+    valgrind --leak-check=full \
+              --show-leak-kinds=all \
+              --trace-children=yes \
+              --error-exitcode=1 \
+              {{TESTBIN}}
 
 build:
-	find "$PWD" -type f -name 'test*.c' | xargs -r {{CC}} {{CFLAGS}} _allocator_impl.c -o {{TESTBIN}} {{LDFLAGS}}
+    find . -type f -name 'test*.c' | xargs -r {{CC}} {{CFLAGS}} {{LDFLAGS}} _allocator_impl.c -o {{TESTBIN}}
+
+DEPENDENCY_HEADERS := if os() == "macos" {
+    "$(pkg-config --cflags-only-I criterion | sed 's/-I//g')"
+} else {
+    "TODO"
+}
 
 tag:
-	find "$PWD" -type f \( -name '*.c' -o -name '*.h' \) | xargs ctags
+    echo "Making tags from project and headers in {{DEPENDENCY_HEADERS}}"
+    ctags --languages=c --langmap=c:.c.h -R {{DEPENDENCY_HEADERS}} .