diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1c4ec43..ed55ecd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,9 @@ jobs:
 
     name: Recompiling ido ${{ matrix.ido }} for ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       # Ubuntu
       - name: Install dependencies (Ubuntu)
diff --git a/Makefile b/Makefile
index d520a47..bd48c4c 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,18 @@ else
   $(error Unsupported host OS for Makefile)
 endif
 
+# check if in a git repository
+ifeq ($(shell git rev-parse --is-inside-work-tree >/dev/null 2>/dev/null; echo $$?),0)
+  PACKAGE_VERSION := $(shell LC_ALL=C git --git-dir .git describe --tags --always --dirty)
+endif
+
+# Get the current date and time in ISO 8601 format
+DATETIME := $(shell date +'%F %T UTC%z')
+
+$(info Package version $(PACKAGE_VERSION))
+$(info Build date $(DATETIME))
+
+
 RABBITIZER := tools/rabbitizer
 RABBITIZER_LIB := $(RABBITIZER)/build/librabbitizerpp.a
 
@@ -110,9 +122,11 @@ LIBS            := $(foreach lib,$(IDO_LIBS),$(BUILT_BIN)/$(lib))
 
 RECOMP_ELF      := $(BUILD_BASE)/recomp.elf
 LIBC_IMPL       := libc_impl
+VERSION_INFO    := version_info
 
 TARGET_BINARIES := $(foreach binary,$(IDO_TC),$(BUILT_BIN)/$(binary))
-O_FILES         := $(foreach binary,$(IDO_TC),$(BUILD_DIR)/$(binary).o)
+# NCC is filtered out since it isn't an actual program, but a symlink to cc
+O_FILES         := $(foreach binary,$(filter-out NCC, $(IDO_TC)),$(BUILD_DIR)/$(binary).o)
 C_FILES         := $(O_FILES:.o=.c)
 
 # Automatic dependency files
@@ -138,6 +152,8 @@ ifeq ($(DETECTED_OS),linux)
 $(RECOMP_ELF): LDFLAGS   += -Wl,-export-dynamic
 endif
 
+CFLAGS    += -DPACKAGE_VERSION="\"$(PACKAGE_VERSION)\"" -DDATETIME="\"$(DATETIME)\""
+
 %/$(LIBC_IMPL).o: WARNINGS += -Wno-unused-parameter -Wno-deprecated-declarations
 %/$(LIBC_IMPL)_53.o: WARNINGS += -Wno-unused-parameter -Wno-deprecated-declarations
 
@@ -220,25 +236,26 @@ $(BUILT_BIN)/%: $(BUILD_DIR)/arm64-apple-macos11/% $(BUILD_DIR)/x86_64-apple-mac
 
 ### Built programs ###
 
-$(BUILD_DIR)/arm64-apple-macos11/%: $(BUILD_DIR)/arm64-apple-macos11/%.o $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL).o | $(ERR_STRS)
+$(BUILD_DIR)/arm64-apple-macos11/%: $(BUILD_DIR)/arm64-apple-macos11/%.o $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL).o $(BUILD_DIR)/arm64-apple-macos11/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -target arm64-apple-macos11 -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
-$(BUILD_DIR)/x86_64-apple-macos10.14/%: $(BUILD_DIR)/x86_64-apple-macos10.14/%.o $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL).o | $(ERR_STRS)
+$(BUILD_DIR)/x86_64-apple-macos10.14/%: $(BUILD_DIR)/x86_64-apple-macos10.14/%.o $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL).o $(BUILD_DIR)/x86_64-apple-macos10.14/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -target x86_64-apple-macos10.14 -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
+# NCC 7.1 is just a renamed cc
 $(BUILD_BASE)/7.1/arm64-apple-macos11/NCC: $(BUILD_BASE)/7.1/arm64-apple-macos11/cc
 	cp $^ $@
 
 $(BUILD_BASE)/7.1/x86_64-apple-macos10.14/NCC: $(BUILD_BASE)/7.1/x86_64-apple-macos10.14/cc
 	cp $^ $@
 
-$(BUILD_DIR)/arm64-apple-macos11/edgcpfe: $(BUILD_DIR)/arm64-apple-macos11/edgcpfe.o $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL)_53.o | $(ERR_STRS)
+$(BUILD_DIR)/arm64-apple-macos11/edgcpfe: $(BUILD_DIR)/arm64-apple-macos11/edgcpfe.o $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL)_53.o $(BUILD_DIR)/arm64-apple-macos11/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -target arm64-apple-macos11 -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
-$(BUILD_DIR)/x86_64-apple-macos10.14/edgcpfe: $(BUILD_DIR)/x86_64-apple-macos10.14/edgcpfe.o $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL)_53.o | $(ERR_STRS)
+$(BUILD_DIR)/x86_64-apple-macos10.14/edgcpfe: $(BUILD_DIR)/x86_64-apple-macos10.14/edgcpfe.o $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL)_53.o $(BUILD_DIR)/x86_64-apple-macos10.14/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -target x86_64-apple-macos10.14 -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
@@ -264,10 +281,17 @@ $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL)_53.o: $(LIBC_IMPL).c
 $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL)_53.o: $(LIBC_IMPL).c
 	$(CC) -c $(CSTD) $(OPTFLAGS) $(CFLAGS) -DIDO53 $(WARNINGS) -target x86_64-apple-macos10.14 -o $@ $<
 
+# $(VERSION_INFO).o is set to depend on every other .o file to ensure the version information is always up to date
+$(BUILD_DIR)/arm64-apple-macos11/$(VERSION_INFO).o: $(VERSION_INFO).c $(O_FILES) $(BUILD_DIR)/arm64-apple-macos11/$(LIBC_IMPL).o
+	$(CC) -c $(CSTD) $(OPTFLAGS) $(CFLAGS) -D$(IDO_VERSION) $(WARNINGS) -target arm64-apple-macos11 -o $@ $<
+
+$(BUILD_DIR)/x86_64-apple-macos10.14/$(VERSION_INFO).o: $(VERSION_INFO).c $(O_FILES) $(BUILD_DIR)/x86_64-apple-macos10.14/$(LIBC_IMPL).o
+	$(CC) -c $(CSTD) $(OPTFLAGS) $(CFLAGS) -D$(IDO_VERSION) $(WARNINGS) -target x86_64-apple-macos10.14 -o $@ $<
+
 else
 ### Built programs ###
 
-$(BUILT_BIN)/%: $(BUILD_DIR)/%.o $(BUILD_DIR)/$(LIBC_IMPL).o | $(ERR_STRS)
+$(BUILT_BIN)/%: $(BUILD_DIR)/%.o $(BUILD_DIR)/$(LIBC_IMPL).o $(BUILD_DIR)/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
@@ -276,7 +300,7 @@ $(BUILD_BASE)/7.1/out/NCC: $(BUILD_BASE)/7.1/out/cc
 	cp $^ $@
 
 # edgcpfe 7.1 uses libc 5.3, so we need to hack a way to link a libc_impl file with the 5.3 stuff
-$(BUILT_BIN)/edgcpfe: $(BUILD_DIR)/edgcpfe.o $(BUILD_DIR)/$(LIBC_IMPL)_53.o | $(ERR_STRS)
+$(BUILT_BIN)/edgcpfe: $(BUILD_DIR)/edgcpfe.o $(BUILD_DIR)/$(LIBC_IMPL)_53.o $(BUILD_DIR)/$(VERSION_INFO).o | $(ERR_STRS)
 	$(CC) $(CSTD) $(OPTFLAGS) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 	$(STRIP) $@
 
@@ -292,6 +316,10 @@ $(BUILD_DIR)/$(LIBC_IMPL).o: $(LIBC_IMPL).c
 
 $(BUILD_DIR)/$(LIBC_IMPL)_53.o: $(LIBC_IMPL).c
 	$(CC) -c $(CSTD) $(OPTFLAGS) $(CFLAGS) -DIDO53 $(WARNINGS) -o $@ $<
+
+# $(VERSION_INFO).o is set to depend on every other .o file to ensure the version information is always up to date
+$(BUILD_DIR)/$(VERSION_INFO).o: $(VERSION_INFO).c $(O_FILES) $(BUILD_DIR)/$(LIBC_IMPL).o $(BUILD_DIR)/$(LIBC_IMPL)_53.o
+	$(CC) -c $(CSTD) $(OPTFLAGS) $(CFLAGS) -D$(IDO_VERSION) $(WARNINGS) -o $@ $<
 endif
 
 # Remove built-in rules, to improve performance
diff --git a/libc_impl.c b/libc_impl.c
index a0837bb..363115c 100644
--- a/libc_impl.c
+++ b/libc_impl.c
@@ -42,8 +42,8 @@
 #define STRING(param)                                       \
     size_t param##_len = wrapper_strlen(mem, param##_addr); \
     char param[param##_len + 1];                            \
-    for (size_t i = 0; i <= param##_len; i++) {             \
-        param[i] = MEM_S8(param##_addr + i);                \
+    for (size_t __i = 0; __i <= param##_len; __i++) {       \
+        param[__i] = MEM_S8(param##_addr + __i);            \
     }
 
 #if !defined(IDO53) && !defined(IDO71) && !defined(IDO72)
@@ -399,7 +399,7 @@ static void destroy_global_args(void) {
 static char** make_argv_from_mem(uint8_t* mem, int argc, uint32_t argv_addr) {
     char** argv = malloc((argc + 1) * sizeof(char*));
 
-    for (uint32_t i = 0; i < argc; i++) {
+    for (int i = 0; i < argc; i++) {
         uint32_t str_addr = MEM_U32(argv_addr + i * sizeof(uint32_t));
         uint32_t len = wrapper_strlen(mem, str_addr) + 1;
 
@@ -417,7 +417,7 @@ static char** make_argv_from_mem(uint8_t* mem, int argc, uint32_t argv_addr) {
 }
 
 static void free_argv(int argc, char** argv) {
-    for (uint32_t i = 0; i < argc; i++) {
+    for (int i = 0; i < argc; i++) {
         free(argv[i]);
     }
 
@@ -432,12 +432,20 @@ void final_cleanup(uint8_t* mem) {
     destroy_global_args();
 }
 
+void print_version_info(void);
 const char* progname;
 
 int main(int argc, char* argv[]) {
     int ret;
     progname = argv[0];
 
+    for (int i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "--version") == 0) {
+            print_version_info();
+            return 0;
+        }
+    }
+
     init_redirect_paths();
 #ifdef RUNTIME_PAGESIZE
     g_Pagesize = sysconf(_SC_PAGESIZE);
diff --git a/version_info.c b/version_info.c
new file mode 100644
index 0000000..b811b4c
--- /dev/null
+++ b/version_info.c
@@ -0,0 +1,64 @@
+/**
+ * Function that prints version info. This file should be compiled with the following defined:
+ * - PACKAGE_VERSION, e.g. with `-DPACKAGE_VERSION="\"$(LC_ALL=C git --git-dir .git describe --tags --dirty)\""`
+ * - DATETIME, e.g. with `-DDATETIME="\"$(date +'%F %T UTC%z')\""`
+ *
+ * The code in this file is mostly taken from 
+ * - CPython: https://github.com/python/cpython/, licensed under the PSF, available here: https://docs.python.org/3/license.html
+ * - The Ocarina of Time practice rom, gz: https://github.com/glankk/gz/
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libgen.h>
+
+#if defined(IDO53)
+#define IDO_VERSION "IDO 5.3"
+#elif defined(IDO71)
+#define IDO_VERSION "IDO 7.1"
+#else
+#define IDO_VERSION ""
+#endif
+
+#ifndef COMPILER
+
+// Note the __clang__ conditional has to come before the __GNUC__ one because
+// clang pretends to be GCC.
+#if defined(__clang__)
+#define COMPILER "Clang " __clang_version__
+#elif defined(__GNUC__)
+#define COMPILER "GCC " __VERSION__
+// Generic fallbacks.
+#elif defined(__cplusplus)
+#define COMPILER "C++"
+#else
+#define COMPILER "C"
+#endif
+
+#endif /* !COMPILER */
+
+/* git */
+#ifndef PACKAGE_VERSION
+#define PACKAGE_VERSION "Unknown version"
+#endif
+
+/* Date and time */
+#ifndef DATETIME
+#define DATETIME "Unknown date"
+#endif
+
+extern char* progname;
+
+void print_version_info(void) {
+    char* buf = malloc(strlen(progname) + 1);
+    strcpy(buf, progname);
+    char* name = basename(buf);
+
+    printf("%s `%s` static recompilation, Decompals version\n", IDO_VERSION, name);
+    printf("Source:     https://github.com/decompals/ido-static-recomp\n");
+    printf("Version:    %s\n", PACKAGE_VERSION);
+    printf("Build date: %s\n", DATETIME);
+    printf("Compiler:   %s\n", COMPILER);
+
+    free(buf);
+}