[cmake] refactor: Use CPM over submodules (#143)

Transfers the majority of submodules and large externals to CPM, using source archives rather than full Git clones. Not only does this save massive amounts of clone and configure time, but dependencies are grabbed on-demand rather than being required by default. Additionally, CPM will (generally) automatically search for system dependencies, though certain dependencies have options to control this.

Testing shows gains ranging from 5x to 10x in terms of overall clone/configure time.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/143
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

1 files changed, 0 insertions, 95 deletions

diff --git a/externals/breakpad/src/common/linux/linux_libc_support.h b/externals/breakpad/src/common/linux/linux_libc_support.h
deleted file mode 100644
index 05e2aa245e..0000000000
--- a/externals/breakpad/src/common/linux/linux_libc_support.h
+++ /dev/null
@@ -1,95 +0,0 @@
-// Copyright 2009 Google LLC
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google LLC nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This header provides replacements for libc functions that we need. We if
-// call the libc functions directly we risk crashing in the dynamic linker as
-// it tries to resolve uncached PLT entries.
-
-#ifndef CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_
-#define CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_
-
-#include <stdint.h>
-#include <limits.h>
-#include <sys/types.h>
-
-extern "C" {
-
-extern size_t my_strlen(const char* s);
-
-extern int my_strcmp(const char* a, const char* b);
-
-extern int my_strncmp(const char* a, const char* b, size_t len);
-
-// Parse a non-negative integer.
-//   result: (output) the resulting non-negative integer
-//   s: a NUL terminated string
-// Return true iff successful.
-extern bool my_strtoui(int* result, const char* s);
-
-// Return the length of the given unsigned integer when expressed in base 10.
-extern unsigned my_uint_len(uintmax_t i);
-
-// Convert an unsigned integer to a string
-//   output: (output) the resulting string is written here. This buffer must be
-//     large enough to hold the resulting string. Call |my_uint_len| to get the
-//     required length.
-//   i: the unsigned integer to serialise.
-//   i_len: the length of the integer in base 10 (see |my_uint_len|).
-extern void my_uitos(char* output, uintmax_t i, unsigned i_len);
-
-extern const char* my_strchr(const char* haystack, char needle);
-
-extern const char* my_strrchr(const char* haystack, char needle);
-
-// Read a hex value
-//   result: (output) the resulting value
-//   s: a string
-// Returns a pointer to the first invalid charactor.
-extern const char* my_read_hex_ptr(uintptr_t* result, const char* s);
-
-extern const char* my_read_decimal_ptr(uintptr_t* result, const char* s);
-
-extern void my_memset(void* ip, char c, size_t len);
-
-extern void* my_memchr(const void* src, int c, size_t len);
-
-// The following are considered safe to use in a compromised environment.
-// Besides, this gives the compiler an opportunity to optimize their calls.
-#define my_memcpy  memcpy
-#define my_memmove memmove
-#define my_memcmp  memcmp
-
-extern size_t my_strlcpy(char* s1, const char* s2, size_t len);
-
-extern size_t my_strlcat(char* s1, const char* s2, size_t len);
-
-extern int my_isspace(int ch);
-
-}  // extern "C"
-
-#endif  // CLIENT_LINUX_LINUX_LIBC_SUPPORT_H_