diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7a24f04f..26dec8f86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -105,6 +105,15 @@ else()
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE)
 endif()
 
+# Set file offset size to 64 bits.
+#
+# On modern Unixes, this is typically already the case. The lone exception is
+# glibc, which may default to 32 bits. glibc allows this to be configured
+# by setting _FILE_OFFSET_BITS.
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    add_definitions(-D_FILE_OFFSET_BITS=64)
+endif()
+
 add_definitions(-DSINGLETHREADED)
 # CMake seems to only define _DEBUG on Windows
 set_property(DIRECTORY APPEND PROPERTY
@@ -160,23 +169,30 @@ endif()
 
 IF (APPLE)
     FIND_LIBRARY(COCOA_LIBRARY Cocoa)           # Umbrella framework for everything GUI-related
-    set(PLATFORM_LIBRARIES iconv ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY})
+    set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY})
 
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
 ELSEIF(MINGW)
-    # GCC does not support codecvt, so use iconv instead
     # PSAPI is the Process Status API
-    set(PLATFORM_LIBRARIES winmm ws2_32 psapi iconv)
+    set(PLATFORM_LIBRARIES winmm ws2_32 psapi)
 
     # WSAPoll functionality doesn't exist before WinNT 6.x (Vista and up)
     add_definitions(-D_WIN32_WINNT=0x0600)
 ELSEIF(WIN32)
     set(PLATFORM_LIBRARIES winmm ws2_32)
-ELSE()
+ELSEIF(CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
     set(PLATFORM_LIBRARIES rt)
 ENDIF (APPLE)
 
+# MINGW: GCC does not support codecvt, so use iconv instead
+if (UNIX OR MINGW)
+    find_library(ICONV_LIBRARY NAMES iconv)
+    if (ICONV_LIBRARY)
+        list(APPEND PLATFORM_LIBRARIES ${ICONV_LIBRARY})
+    endif()
+endif()
+
 if (ENABLE_QT)
     if (CITRA_USE_BUNDLED_QT)
         if (MSVC14 AND ARCHITECTURE_x86_64)
@@ -253,7 +269,7 @@ add_subdirectory(src)
 # http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
 # http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html
 # http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html
-if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|OpenBSD|NetBSD")
+if(ENABLE_QT AND UNIX AND NOT APPLE)
     install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.desktop"
             DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications")
     install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.svg"
diff --git a/externals/microprofile/microprofile.h b/externals/microprofile/microprofile.h
index d1ae0c1c2..30613b3b0 100644
--- a/externals/microprofile/microprofile.h
+++ b/externals/microprofile/microprofile.h
@@ -206,7 +206,7 @@ int64_t MicroProfileGetTick();
 #define MP_GETCURRENTTHREADID() GetCurrentThreadId()
 typedef uint32_t ThreadIdType;
 
-#elif defined(__linux__)
+#elif !defined(_WIN32)
 #include <unistd.h>
 #include <time.h>
 inline int64_t MicroProfileTicksPerSecondCpu()
@@ -510,7 +510,7 @@ typedef int MpSocket;
 #endif
 
 
-#if defined(__APPLE__) || defined(__linux__)
+#ifndef _WIN32
 typedef pthread_t MicroProfileThread;
 #elif defined(_WIN32)
 typedef HANDLE MicroProfileThread;
@@ -907,7 +907,7 @@ int64_t MicroProfileGetTick()
 
 typedef void* (*MicroProfileThreadFunc)(void*);
 
-#if defined(__APPLE__) || defined(__linux__)
+#ifndef _WIN32
 typedef pthread_t MicroProfileThread;
 void MicroProfileThreadStart(MicroProfileThread* pThread, MicroProfileThreadFunc Func)
 {
@@ -959,7 +959,7 @@ inline void MicroProfileThreadJoin(MicroProfileThread* pThread)
 #define MP_INVALID_SOCKET(f) (f == INVALID_SOCKET)
 #endif
 
-#if defined(__APPLE__)
+#ifndef _WIN32
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <fcntl.h>
diff --git a/externals/microprofile/microprofileui.h b/externals/microprofile/microprofileui.h
index 45bec8af6..66a73abc5 100644
--- a/externals/microprofile/microprofileui.h
+++ b/externals/microprofile/microprofileui.h
@@ -172,6 +172,7 @@ MICROPROFILEUI_API void MicroProfileCustomGroupAddTimer(const char* pCustomName,
 #ifdef _WIN32
 #define snprintf _snprintf
 #endif
+#include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <math.h>
diff --git a/hooks/pre-commit b/hooks/pre-commit
index ec2b5b77e..04fdaf8ec 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Enforce citra's whitespace policy
 git config --local core.whitespace tab-in-indent,trailing-space
@@ -32,7 +32,7 @@ for f in $(git diff --name-only --diff-filter=ACMRTUXB --cached); do
     if ! echo "$f" | egrep -q "^src/"; then
         continue
     fi
-    d=$(diff -u "$f" <(clang-format "$f"))
+    d=$(clang-format "$f" | diff -u "$f" -)
     if ! [ -z "$d" ]; then
         echo "!!! $f not compliant to coding style, here is the fix:"
         echo "$d"
@@ -40,4 +40,4 @@ for f in $(git diff --name-only --diff-filter=ACMRTUXB --cached); do
     fi
 done
 
-exit "$fail"
+exit "${fail-0}"
diff --git a/src/citra/CMakeLists.txt b/src/citra/CMakeLists.txt
index 43fa06b4e..f9c488a1a 100644
--- a/src/citra/CMakeLists.txt
+++ b/src/citra/CMakeLists.txt
@@ -23,7 +23,7 @@ if (MSVC)
 endif()
 target_link_libraries(citra ${PLATFORM_LIBRARIES} Threads::Threads)
 
-if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|OpenBSD|NetBSD")
+if(UNIX AND NOT APPLE)
     install(TARGETS citra RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
 endif()
 
diff --git a/src/citra_qt/CMakeLists.txt b/src/citra_qt/CMakeLists.txt
index b3c01ddd8..384875450 100644
--- a/src/citra_qt/CMakeLists.txt
+++ b/src/citra_qt/CMakeLists.txt
@@ -104,7 +104,7 @@ target_link_libraries(citra-qt core video_core audio_core common qhexedit)
 target_link_libraries(citra-qt ${OPENGL_gl_LIBRARY} ${CITRA_QT_LIBS})
 target_link_libraries(citra-qt ${PLATFORM_LIBRARIES} Threads::Threads)
 
-if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|OpenBSD|NetBSD")
+if(UNIX AND NOT APPLE)
     install(TARGETS citra-qt RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
 endif()
 
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index 14cbcac6b..407ed047a 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -23,8 +23,8 @@
 #define fseeko _fseeki64
 #define ftello _ftelli64
 #define atoll _atoi64
-#define stat64 _stat64
-#define fstat64 _fstat64
+#define stat _stat64
+#define fstat _fstat64
 #define fileno _fileno
 #else
 #ifdef __APPLE__
@@ -52,11 +52,6 @@
 #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
 #endif
 
-#ifdef BSD4_4
-#define stat64 stat
-#define fstat64 fstat
-#endif
-
 // This namespace has various generic functions related to files and paths.
 // The code still needs a ton of cleanup.
 // REMEMBER: strdup considered harmful!
@@ -76,7 +71,7 @@ static void StripTailDirSlashes(std::string& fname) {
 
 // Returns true if file filename exists
 bool Exists(const std::string& filename) {
-    struct stat64 file_info;
+    struct stat file_info;
 
     std::string copy(filename);
     StripTailDirSlashes(copy);
@@ -88,7 +83,7 @@ bool Exists(const std::string& filename) {
 
     int result = _wstat64(Common::UTF8ToUTF16W(copy).c_str(), &file_info);
 #else
-    int result = stat64(copy.c_str(), &file_info);
+    int result = stat(copy.c_str(), &file_info);
 #endif
 
     return (result == 0);
@@ -96,7 +91,7 @@ bool Exists(const std::string& filename) {
 
 // Returns true if filename is a directory
 bool IsDirectory(const std::string& filename) {
-    struct stat64 file_info;
+    struct stat file_info;
 
     std::string copy(filename);
     StripTailDirSlashes(copy);
@@ -108,7 +103,7 @@ bool IsDirectory(const std::string& filename) {
 
     int result = _wstat64(Common::UTF8ToUTF16W(copy).c_str(), &file_info);
 #else
-    int result = stat64(copy.c_str(), &file_info);
+    int result = stat(copy.c_str(), &file_info);
 #endif
 
     if (result < 0) {
@@ -339,11 +334,11 @@ u64 GetSize(const std::string& filename) {
         return 0;
     }
 
-    struct stat64 buf;
+    struct stat buf;
 #ifdef _WIN32
     if (_wstat64(Common::UTF8ToUTF16W(filename).c_str(), &buf) == 0)
 #else
-    if (stat64(filename.c_str(), &buf) == 0)
+    if (stat(filename.c_str(), &buf) == 0)
 #endif
     {
         LOG_TRACE(Common_Filesystem, "%s: %lld", filename.c_str(), (long long)buf.st_size);
@@ -356,8 +351,8 @@ u64 GetSize(const std::string& filename) {
 
 // Overloaded GetSize, accepts file descriptor
 u64 GetSize(const int fd) {
-    struct stat64 buf;
-    if (fstat64(fd, &buf) != 0) {
+    struct stat buf;
+    if (fstat(fd, &buf) != 0) {
         LOG_ERROR(Common_Filesystem, "GetSize: stat failed %i: %s", fd, GetLastErrorMsg());
         return 0;
     }
diff --git a/src/common/swap.h b/src/common/swap.h
index e241c9f73..d94cbe6b2 100644
--- a/src/common/swap.h
+++ b/src/common/swap.h
@@ -21,7 +21,8 @@
 #include <cstdlib>
 #elif defined(__linux__)
 #include <byteswap.h>
-#elif defined(__FreeBSD__)
+#elif defined(__Bitrig__) || defined(__DragonFly__) || defined(__FreeBSD__) ||                     \
+    defined(__NetBSD__) || defined(__OpenBSD__)
 #include <sys/endian.h>
 #endif
 #include <cstring>
@@ -101,7 +102,9 @@ inline __attribute__((always_inline)) u32 swap32(u32 _data) {
 inline __attribute__((always_inline)) u64 swap64(u64 _data) {
     return __builtin_bswap64(_data);
 }
-#elif __FreeBSD__
+#elif defined(__Bitrig__) || defined(__OpenBSD__)
+// swap16, swap32, swap64 are left as is
+#elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
 inline u16 swap16(u16 _data) {
     return bswap16(_data);
 }
diff --git a/src/common/thread.cpp b/src/common/thread.cpp
index 6e7b39b9a..9bb2f4e1d 100644
--- a/src/common/thread.cpp
+++ b/src/common/thread.cpp
@@ -8,7 +8,7 @@
 #elif defined(_WIN32)
 #include <Windows.h>
 #else
-#if defined(BSD4_4) || defined(__OpenBSD__)
+#if defined(__Bitrig__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <pthread_np.h>
 #else
 #include <pthread.h>
@@ -19,6 +19,10 @@
 #include <unistd.h>
 #endif
 
+#ifdef __FreeBSD__
+#define cpu_set_t cpuset_t
+#endif
+
 namespace Common {
 
 int CurrentThreadId() {
@@ -86,7 +90,7 @@ void SetCurrentThreadName(const char* szThreadName) {
 void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask) {
 #ifdef __APPLE__
     thread_policy_set(pthread_mach_thread_np(thread), THREAD_AFFINITY_POLICY, (integer_t*)&mask, 1);
-#elif (defined __linux__ || defined BSD4_4) && !(defined ANDROID)
+#elif (defined __linux__ || defined __FreeBSD__) && !(defined ANDROID)
     cpu_set_t cpu_set;
     CPU_ZERO(&cpu_set);
 
@@ -117,8 +121,10 @@ void SwitchCurrentThread() {
 void SetCurrentThreadName(const char* szThreadName) {
 #ifdef __APPLE__
     pthread_setname_np(szThreadName);
-#elif defined(__OpenBSD__)
+#elif defined(__Bitrig__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
     pthread_set_name_np(pthread_self(), szThreadName);
+#elif defined(__NetBSD__)
+    pthread_setname_np(pthread_self(), "%s", (void*)szThreadName);
 #else
     pthread_setname_np(pthread_self(), szThreadName);
 #endif
diff --git a/src/common/x64/cpu_detect.cpp b/src/common/x64/cpu_detect.cpp
index 6ddf9b70c..370ae2c80 100644
--- a/src/common/x64/cpu_detect.cpp
+++ b/src/common/x64/cpu_detect.cpp
@@ -12,13 +12,15 @@ namespace Common {
 
 #ifndef _MSC_VER
 
-#ifdef __FreeBSD__
-#include <machine/cpufunc.h>
+#if defined(__DragonFly__) || defined(__FreeBSD__)
+// clang-format off
 #include <sys/types.h>
+#include <machine/cpufunc.h>
+// clang-format on
 #endif
 
 static inline void __cpuidex(int info[4], int function_id, int subfunction_id) {
-#ifdef __FreeBSD__
+#if defined(__DragonFly__) || defined(__FreeBSD__)
     // Despite the name, this is just do_cpuid() with ECX as second input.
     cpuid_count((u_int)function_id, (u_int)subfunction_id, (u_int*)info);
 #else
diff --git a/src/core/hle/service/soc_u.cpp b/src/core/hle/service/soc_u.cpp
index 4279b67fb..46b75db25 100644
--- a/src/core/hle/service/soc_u.cpp
+++ b/src/core/hle/service/soc_u.cpp
@@ -104,7 +104,9 @@ static const std::unordered_map<int, int> error_map = {{
     {ERRNO(ENETUNREACH), 40},
     {ENFILE, 41},
     {ERRNO(ENOBUFS), 42},
+#ifdef ENODATA
     {ENODATA, 43},
+#endif
     {ENODEV, 44},
     {ENOENT, 45},
     {ENOEXEC, 46},
@@ -114,8 +116,12 @@ static const std::unordered_map<int, int> error_map = {{
     {ENOMSG, 50},
     {ERRNO(ENOPROTOOPT), 51},
     {ENOSPC, 52},
+#ifdef ENOSR
     {ENOSR, 53},
+#endif
+#ifdef ENOSTR
     {ENOSTR, 54},
+#endif
     {ENOSYS, 55},
     {ERRNO(ENOTCONN), 56},
     {ENOTDIR, 57},
@@ -136,7 +142,9 @@ static const std::unordered_map<int, int> error_map = {{
     {ESPIPE, 72},
     {ESRCH, 73},
     {ERRNO(ESTALE), 74},
+#ifdef ETIME
     {ETIME, 75},
+#endif
     {ERRNO(ETIMEDOUT), 76},
 }};