From e63af7d006e85cd3e6a31060e71e497b239e813b Mon Sep 17 00:00:00 2001
From: Aaron Gyes <var.log@icloud.com>
Date: Sat, 9 Jul 2022 19:57:29 -0700
Subject: [PATCH] PCRE2.cmake: update minimum system PCRE2 version, use
 GIT_SHALLOW

GIT_SHALLOW 1 here improves generation speed and _deps in the build
dir like is 6 or 7 MB less according to `du`.

Bump the minimum PCRE2 to 10.35 on account of we use
PCRE2_SUBSTITUTE_LITERAL.
---
 cmake/PCRE2.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/PCRE2.cmake b/cmake/PCRE2.cmake
index b9138fe2e..497441a29 100644
--- a/cmake/PCRE2.cmake
+++ b/cmake/PCRE2.cmake
@@ -6,7 +6,7 @@ set(PCRE2_SHOW_REPORT OFF CACHE BOOL "Show the final configuration report")
 set(PCRE2_BUILD_TESTS OFF CACHE BOOL "Build tests")
 set(PCRE2_BUILD_PCRE2GREP OFF CACHE BOOL "Build pcre2grep")
 
-set(PCRE2_MIN_VERSION 10.21)
+set(PCRE2_MIN_VERSION 10.35)
 
 # Look for a system-installed PCRE2.
 find_library(SYS_PCRE2_LIB pcre2-${PCRE2_WIDTH})
@@ -49,6 +49,7 @@ else()
     GIT_REPOSITORY ${PCRE2_REPO}
     GIT_TAG "72669190cb947f0cac1d038a8bb1820da59ef447" # tag: pcre2-10.36
     GIT_PROGRESS TRUE
+    GIT_SHALLOW 1
   )
   # Don't try FetchContent_MakeAvailable, there's no way to add EXCLUDE_FROM_ALL
   # so we end up installing all of PCRE2 including its headers, man pages, etc.