diff --git a/slinky/src/file_info.rs b/slinky/src/file_info.rs
index 1456491..0ab10ca 100644
--- a/slinky/src/file_info.rs
+++ b/slinky/src/file_info.rs
@@ -28,6 +28,31 @@ pub struct FileInfo {
     // Used for groups
     pub files: Vec<FileInfo>,
     pub dir: PathBuf,
+
+    pub include_if_any: Vec<(String, String)>,
+    pub include_if_all: Vec<(String, String)>,
+    pub exclude_if_any: Vec<(String, String)>,
+    pub exclude_if_all: Vec<(String, String)>,
+}
+
+impl FileInfo {
+    pub fn new_object(p: PathBuf) -> Self {
+        Self {
+            path: p,
+            kind: FileKind::Object,
+            subfile: "".into(),
+            pad_amount: 0,
+            section: "".into(),
+            linker_offset_name: "".into(),
+            section_order: HashMap::new(),
+            files: Vec::new(),
+            dir: PathBuf::new(),
+            include_if_any: Vec::new(),
+            include_if_all: Vec::new(),
+            exclude_if_any: Vec::new(),
+            exclude_if_all: Vec::new(),
+        }
+    }
 }
 
 #[derive(Deserialize, PartialEq, Debug)]
@@ -57,6 +82,15 @@ pub(crate) struct FileInfoSerial {
     pub files: AbsentNullable<Vec<FileInfoSerial>>,
     #[serde(default)]
     pub dir: AbsentNullable<PathBuf>,
+
+    #[serde(default)]
+    pub include_if_any: AbsentNullable<Vec<(String, String)>>,
+    #[serde(default)]
+    pub include_if_all: AbsentNullable<Vec<(String, String)>>,
+    #[serde(default)]
+    pub exclude_if_any: AbsentNullable<Vec<(String, String)>>,
+    #[serde(default)]
+    pub exclude_if_all: AbsentNullable<Vec<(String, String)>>,
 }
 
 impl FileInfoSerial {
@@ -203,6 +237,19 @@ impl FileInfoSerial {
             FileKind::Group => self.dir.get_non_null("dir", PathBuf::default)?,
         };
 
+        let include_if_any = self
+            .include_if_any
+            .get_non_null("include_if_any", Vec::new)?;
+        let include_if_all = self
+            .include_if_all
+            .get_non_null("include_if_all", Vec::new)?;
+        let exclude_if_any = self
+            .exclude_if_any
+            .get_non_null("exclude_if_any", Vec::new)?;
+        let exclude_if_all = self
+            .exclude_if_all
+            .get_non_null("exclude_if_all", Vec::new)?;
+
         Ok(FileInfo {
             path,
             kind,
@@ -213,6 +260,10 @@ impl FileInfoSerial {
             section_order,
             files,
             dir,
+            include_if_any,
+            include_if_all,
+            exclude_if_any,
+            exclude_if_all,
         })
     }
 }
diff --git a/slinky/src/linker_writer.rs b/slinky/src/linker_writer.rs
index 0e57771..6a7abca 100644
--- a/slinky/src/linker_writer.rs
+++ b/slinky/src/linker_writer.rs
@@ -620,6 +620,43 @@ impl LinkerWriter<'_> {
         section: &str,
         base_path: &Path,
     ) -> Result<(), SlinkyError> {
+        if file
+            .exclude_if_any
+            .iter()
+            .any(|(key, value)| self.d.custom_options.get(key) == Some(value))
+        {
+            return Ok(());
+        }
+        if !file.exclude_if_all.is_empty()
+            && file
+                .exclude_if_all
+                .iter()
+                .all(|(key, value)| self.d.custom_options.get(key) == Some(value))
+        {
+            return Ok(());
+        }
+
+        if !file.include_if_any.is_empty() || !file.include_if_all.is_empty() {
+            // If neither include fields match the options then we do not emit this entry
+
+            let mut exit = false;
+            if !file.include_if_any.is_empty() {
+                exit = !file
+                    .include_if_any
+                    .iter()
+                    .any(|(key, value)| self.d.custom_options.get(key) == Some(value));
+            }
+            if (exit || file.include_if_any.is_empty()) && !file.include_if_all.is_empty() {
+                exit = !file
+                    .include_if_all
+                    .iter()
+                    .all(|(key, value)| self.d.custom_options.get(key) == Some(value));
+            }
+            if exit {
+                return Ok(());
+            }
+        }
+
         let style = &self.d.settings.linker_symbols_style;
 
         let wildcard = if segment.wildcard_sections { "*" } else { "" };
diff --git a/slinky/src/partial_linker_writer.rs b/slinky/src/partial_linker_writer.rs
index 2dc186c..1ffc158 100644
--- a/slinky/src/partial_linker_writer.rs
+++ b/slinky/src/partial_linker_writer.rs
@@ -1,12 +1,9 @@
 /* SPDX-FileCopyrightText: © 2024 decompals */
 /* SPDX-License-Identifier: MIT */
 
-use std::{
-    collections::HashMap,
-    path::{Path, PathBuf},
-};
+use std::path::{Path, PathBuf};
 
-use crate::{Document, FileInfo, FileKind, LinkerWriter, Segment, SlinkyError};
+use crate::{Document, FileInfo, LinkerWriter, Segment, SlinkyError};
 
 pub struct PartialLinkerWriter<'a> {
     main_writer: LinkerWriter<'a>,
@@ -48,17 +45,7 @@ impl<'a> PartialLinkerWriter<'a> {
             p.push(&format!("{}.o", segment.name));
 
             let mut reference_segment = segment.clone();
-            reference_segment.files = vec![FileInfo {
-                path: p,
-                kind: FileKind::Object,
-                subfile: "".into(),
-                pad_amount: 0,
-                section: "".into(),
-                linker_offset_name: "".into(),
-                section_order: HashMap::new(),
-                files: Vec::new(),
-                dir: PathBuf::new(),
-            }];
+            reference_segment.files = vec![FileInfo::new_object(p)];
             self.main_writer.add_segment(&reference_segment)?;
         }
 
diff --git a/tests/test_cases/conditional_includes.ld b/tests/test_cases/conditional_includes.ld
new file mode 100644
index 0000000..6016c05
--- /dev/null
+++ b/tests/test_cases/conditional_includes.ld
@@ -0,0 +1,213 @@
+SECTIONS
+{
+    __romPos = 0x0;
+
+    boot_ROM_START = __romPos;
+    boot_VRAM = ADDR(.boot);
+    boot_alloc_VRAM = .;
+
+    .boot 0x80000460 : AT(boot_ROM_START) SUBALIGN(16)
+    {
+        FILL(0x00000000);
+        boot_TEXT_START = .;
+        build/us/src/boot/boot_main.o(.text*);
+        build/us/src/boot/file1.o(.text*);
+        build/us/src/boot/file3.o(.text*);
+        build/us/src/boot/file4.o(.text*);
+        build/us/src/boot/file8.o(.text*);
+        build/us/src/boot/file9.o(.text*);
+        build/us/src/boot/dmadata.o(.text*);
+        build/us/src/boot/file12.o(.text*);
+        build/us/src/boot/file15.o(.text*);
+        build/us/src/boot/file16.o(.text*);
+        build/us/src/boot/file17.o(.text*);
+        build/us/src/boot/util.o(.text*);
+        build/us/src/boot/file21.o(.text*);
+        build/us/src/boot/file24.o(.text*);
+        build/us/src/boot/file28.o(.text*);
+        build/us/src/boot/file29.o(.text*);
+        . = ALIGN(., 0x10);
+        boot_TEXT_END = .;
+        boot_TEXT_SIZE = ABSOLUTE(boot_TEXT_END - boot_TEXT_START);
+
+        boot_DATA_START = .;
+        build/us/src/boot/boot_main.o(.data*);
+        build/us/src/boot/file1.o(.data*);
+        build/us/src/boot/file3.o(.data*);
+        build/us/src/boot/file4.o(.data*);
+        build/us/src/boot/file8.o(.data*);
+        build/us/src/boot/file9.o(.data*);
+        build/us/src/boot/dmadata.o(.data*);
+        build/us/src/boot/file12.o(.data*);
+        build/us/src/boot/file15.o(.data*);
+        build/us/src/boot/file16.o(.data*);
+        build/us/src/boot/file17.o(.data*);
+        build/us/src/boot/util.o(.data*);
+        build/us/src/boot/file21.o(.data*);
+        build/us/src/boot/file24.o(.data*);
+        build/us/src/boot/file28.o(.data*);
+        build/us/src/boot/file29.o(.data*);
+        . = ALIGN(., 0x10);
+        boot_DATA_END = .;
+        boot_DATA_SIZE = ABSOLUTE(boot_DATA_END - boot_DATA_START);
+
+        boot_RODATA_START = .;
+        build/us/src/boot/boot_main.o(.rodata*);
+        build/us/src/boot/file1.o(.rodata*);
+        build/us/src/boot/file3.o(.rodata*);
+        build/us/src/boot/file4.o(.rodata*);
+        build/us/src/boot/file8.o(.rodata*);
+        build/us/src/boot/file9.o(.rodata*);
+        build/us/src/boot/dmadata.o(.rodata*);
+        build/us/src/boot/file12.o(.rodata*);
+        build/us/src/boot/file15.o(.rodata*);
+        build/us/src/boot/file16.o(.rodata*);
+        build/us/src/boot/file17.o(.rodata*);
+        build/us/src/boot/util.o(.rodata*);
+        build/us/src/boot/file21.o(.rodata*);
+        build/us/src/boot/file24.o(.rodata*);
+        build/us/src/boot/file28.o(.rodata*);
+        build/us/src/boot/file29.o(.rodata*);
+        . = ALIGN(., 0x10);
+        boot_RODATA_END = .;
+        boot_RODATA_SIZE = ABSOLUTE(boot_RODATA_END - boot_RODATA_START);
+
+        boot_SDATA_START = .;
+        build/us/src/boot/boot_main.o(.sdata*);
+        build/us/src/boot/file1.o(.sdata*);
+        build/us/src/boot/file3.o(.sdata*);
+        build/us/src/boot/file4.o(.sdata*);
+        build/us/src/boot/file8.o(.sdata*);
+        build/us/src/boot/file9.o(.sdata*);
+        build/us/src/boot/dmadata.o(.sdata*);
+        build/us/src/boot/file12.o(.sdata*);
+        build/us/src/boot/file15.o(.sdata*);
+        build/us/src/boot/file16.o(.sdata*);
+        build/us/src/boot/file17.o(.sdata*);
+        build/us/src/boot/util.o(.sdata*);
+        build/us/src/boot/file21.o(.sdata*);
+        build/us/src/boot/file24.o(.sdata*);
+        build/us/src/boot/file28.o(.sdata*);
+        build/us/src/boot/file29.o(.sdata*);
+        . = ALIGN(., 0x10);
+        boot_SDATA_END = .;
+        boot_SDATA_SIZE = ABSOLUTE(boot_SDATA_END - boot_SDATA_START);
+    }
+
+    boot_alloc_VRAM_END = .;
+    boot_alloc_VRAM_SIZE = ABSOLUTE(boot_alloc_VRAM_END - boot_alloc_VRAM);
+
+    boot_noload_VRAM = .;
+
+    .boot.noload (NOLOAD) : SUBALIGN(16)
+    {
+        FILL(0x00000000);
+        boot_SBSS_START = .;
+        build/us/src/boot/boot_main.o(.sbss*);
+        build/us/src/boot/file1.o(.sbss*);
+        build/us/src/boot/file3.o(.sbss*);
+        build/us/src/boot/file4.o(.sbss*);
+        build/us/src/boot/file8.o(.sbss*);
+        build/us/src/boot/file9.o(.sbss*);
+        build/us/src/boot/dmadata.o(.sbss*);
+        build/us/src/boot/file12.o(.sbss*);
+        build/us/src/boot/file15.o(.sbss*);
+        build/us/src/boot/file16.o(.sbss*);
+        build/us/src/boot/file17.o(.sbss*);
+        build/us/src/boot/util.o(.sbss*);
+        build/us/src/boot/file21.o(.sbss*);
+        build/us/src/boot/file24.o(.sbss*);
+        build/us/src/boot/file28.o(.sbss*);
+        build/us/src/boot/file29.o(.sbss*);
+        . = ALIGN(., 0x10);
+        boot_SBSS_END = .;
+        boot_SBSS_SIZE = ABSOLUTE(boot_SBSS_END - boot_SBSS_START);
+
+        boot_SCOMMON_START = .;
+        build/us/src/boot/boot_main.o(.scommon*);
+        build/us/src/boot/file1.o(.scommon*);
+        build/us/src/boot/file3.o(.scommon*);
+        build/us/src/boot/file4.o(.scommon*);
+        build/us/src/boot/file8.o(.scommon*);
+        build/us/src/boot/file9.o(.scommon*);
+        build/us/src/boot/dmadata.o(.scommon*);
+        build/us/src/boot/file12.o(.scommon*);
+        build/us/src/boot/file15.o(.scommon*);
+        build/us/src/boot/file16.o(.scommon*);
+        build/us/src/boot/file17.o(.scommon*);
+        build/us/src/boot/util.o(.scommon*);
+        build/us/src/boot/file21.o(.scommon*);
+        build/us/src/boot/file24.o(.scommon*);
+        build/us/src/boot/file28.o(.scommon*);
+        build/us/src/boot/file29.o(.scommon*);
+        . = ALIGN(., 0x10);
+        boot_SCOMMON_END = .;
+        boot_SCOMMON_SIZE = ABSOLUTE(boot_SCOMMON_END - boot_SCOMMON_START);
+
+        boot_BSS_START = .;
+        build/us/src/boot/boot_main.o(.bss*);
+        build/us/src/boot/file1.o(.bss*);
+        build/us/src/boot/file3.o(.bss*);
+        build/us/src/boot/file4.o(.bss*);
+        build/us/src/boot/file8.o(.bss*);
+        build/us/src/boot/file9.o(.bss*);
+        build/us/src/boot/dmadata.o(.bss*);
+        build/us/src/boot/file12.o(.bss*);
+        build/us/src/boot/file15.o(.bss*);
+        build/us/src/boot/file16.o(.bss*);
+        build/us/src/boot/file17.o(.bss*);
+        build/us/src/boot/util.o(.bss*);
+        build/us/src/boot/file21.o(.bss*);
+        build/us/src/boot/file24.o(.bss*);
+        build/us/src/boot/file28.o(.bss*);
+        build/us/src/boot/file29.o(.bss*);
+        . = ALIGN(., 0x10);
+        boot_BSS_END = .;
+        boot_BSS_SIZE = ABSOLUTE(boot_BSS_END - boot_BSS_START);
+
+        bootCOMMON_START = .;
+        build/us/src/boot/boot_main.o(COMMON*);
+        build/us/src/boot/file1.o(COMMON*);
+        build/us/src/boot/file3.o(COMMON*);
+        build/us/src/boot/file4.o(COMMON*);
+        build/us/src/boot/file8.o(COMMON*);
+        build/us/src/boot/file9.o(COMMON*);
+        build/us/src/boot/dmadata.o(COMMON*);
+        build/us/src/boot/file12.o(COMMON*);
+        build/us/src/boot/file15.o(COMMON*);
+        build/us/src/boot/file16.o(COMMON*);
+        build/us/src/boot/file17.o(COMMON*);
+        build/us/src/boot/util.o(COMMON*);
+        build/us/src/boot/file21.o(COMMON*);
+        build/us/src/boot/file24.o(COMMON*);
+        build/us/src/boot/file28.o(COMMON*);
+        build/us/src/boot/file29.o(COMMON*);
+        . = ALIGN(., 0x10);
+        bootCOMMON_END = .;
+        bootCOMMON_SIZE = ABSOLUTE(bootCOMMON_END - bootCOMMON_START);
+    }
+
+    boot_noload_VRAM_END = .;
+    boot_noload_VRAM_SIZE = ABSOLUTE(boot_noload_VRAM_END - boot_noload_VRAM);
+    boot_VRAM_END = .;
+    boot_VRAM_SIZE = ABSOLUTE(boot_VRAM_END - boot_VRAM);
+    __romPos += SIZEOF(.boot);
+    boot_ROM_END = __romPos;
+    boot_ROM_SIZE = ABSOLUTE(boot_ROM_END - boot_ROM_START);
+
+    .shstrtab 0 :
+    {
+        *(.shstrtab);
+    }
+
+    /DISCARD/ :
+    {
+        *(.reginfo);
+        *(.MIPS.abiflags);
+        *(.MIPS.options);
+        *(.note.gnu.build-id);
+        *(.interp);
+        *(.eh_frame);
+        *(*);
+    }
+}
diff --git a/tests/test_cases/conditional_includes.yaml b/tests/test_cases/conditional_includes.yaml
new file mode 100644
index 0000000..53a1801
--- /dev/null
+++ b/tests/test_cases/conditional_includes.yaml
@@ -0,0 +1,37 @@
+settings:
+  base_path: build/{version}
+
+segments:
+  - name: boot
+    fixed_vram: 0x80000460
+    files:
+      - { path: src/boot/boot_main.o }
+      - { path: src/boot/file1.o, include_if_any: [[version, us], [version, jp]] }
+      - { path: src/boot/file2.o, include_if_any: [[version, jp]] }
+      - { path: src/boot/file3.o, include_if_any: [[version, us]] }
+      - { path: src/boot/file4.o, include_if_all: [[version, us]] }
+      - { path: src/boot/file5.o, include_if_all: [[version, jp]] }
+      - { path: src/boot/file6.o, include_if_all: [[version, us], [modding, true]] }
+      - { path: src/boot/file7.o, include_if_any: [[version, jp], [modding, true]] }
+      - { path: src/boot/file8.o, include_if_any: [[version, us], [modding, true]] }
+      - { path: src/boot/file9.o, include_if_any: [[version, jp], [modding, true]], include_if_all: [[version, us]] }
+      - { path: src/boot/dmadata.o }
+      - { path: src/boot/file11.o, exclude_if_any: [[version, us], [version, jp]] }
+      - { path: src/boot/file12.o, exclude_if_any: [[version, jp]] }
+      - { path: src/boot/file13.o, exclude_if_any: [[version, us]] }
+      - { path: src/boot/file14.o, exclude_if_all: [[version, us]] }
+      - { path: src/boot/file15.o, exclude_if_all: [[version, jp]] }
+      - { path: src/boot/file16.o, exclude_if_all: [[version, us], [modding, true]] }
+      - { path: src/boot/file17.o, exclude_if_any: [[version, jp], [modding, true]] }
+      - { path: src/boot/file18.o, exclude_if_any: [[version, us], [modding, true]] }
+      - { path: src/boot/file19.o, exclude_if_any: [[version, jp], [modding, true]], exclude_if_all: [[version, us]] }
+      - { path: src/boot/util.o }
+      - { path: src/boot/file21.o, include_if_any: [[version, us], [version, jp]], exclude_if_any: [[modding, true]] }
+      - { path: src/boot/file22.o, include_if_any: [[version, jp]], exclude_if_any: [[version, us]] }
+      - { path: src/boot/file23.o, include_if_any: [[version, us]], exclude_if_any: [[version, us]] }
+      - { path: src/boot/file24.o, include_if_all: [[version, us]], exclude_if_any: [[version, jp]] }
+      - { path: src/boot/file25.o, include_if_all: [[version, jp]], exclude_if_any: [[version, jp]] }
+      - { path: src/boot/file26.o, include_if_all: [[version, us], [modding, true]], exclude_if_any: [[version, us]] }
+      - { path: src/boot/file27.o, include_if_any: [[version, jp], [modding, true]], exclude_if_any: [[version, us]] }
+      - { path: src/boot/file28.o, include_if_any: [[version, us], [modding, true]], exclude_if_any: [[version, jp]] }
+      - { path: src/boot/file29.o, include_if_any: [[version, jp], [modding, true]], include_if_all: [[version, us]], exclude_if_any: [[version, jp]] }