fix: Add Homebrew Apple Silicon path detection in cmake finder modules (#2474)

Author: archanasondur

.gitignore

@@ -47,3 +47,4 @@ CMakeSettings.json
 install
 trace.json
 .cache/
+build_examples/

cmake_modules/FindBrotli.cmake

@@ -21,6 +21,21 @@
 # ##############################################################################
 include(FindPackageHandleStandardArgs)
 
+# On Apple Silicon Macs, Homebrew installs to /opt/homebrew instead of
+# /usr/local (Intel Macs). Detect the prefix dynamically so cmake finds
+# dependencies regardless of Mac architecture.
+if(APPLE)
+    execute_process(
+        COMMAND brew --prefix brotli
+        OUTPUT_VARIABLE HOMEBREW_BROTLI_PREFIX
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+    if(HOMEBREW_BROTLI_PREFIX)
+        list(APPEND CMAKE_PREFIX_PATH ${HOMEBREW_BROTLI_PREFIX})
+    endif()
+endif()
+
 find_path(BROTLI_INCLUDE_DIR "brotli/decode.h")
 
 find_library(BROTLICOMMON_LIBRARY NAMES brotlicommon brotlicommon-static)

cmake_modules/FindHiredis.cmake

@@ -5,6 +5,21 @@
 # HIREDIS_INCLUDE_DIRS - hiredis include directories
 # HIREDIS_LIBRARIES    - libraries need to use hiredis
 
+# On Apple Silicon Macs, Homebrew installs to /opt/homebrew instead of
+# /usr/local (Intel Macs). Detect the prefix dynamically so cmake finds
+# dependencies regardless of Mac architecture.
+if(APPLE)
+    execute_process(
+        COMMAND brew --prefix hiredis
+        OUTPUT_VARIABLE HOMEBREW_HIREDIS_PREFIX
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+    if(HOMEBREW_HIREDIS_PREFIX)
+        list(APPEND CMAKE_PREFIX_PATH ${HOMEBREW_HIREDIS_PREFIX})
+    endif()
+endif()
+
 if (HIREDIS_INCLUDE_DIRS AND HIREDIS_LIBRARIES)
     set(HIREDIS_FIND_QUIETLY TRUE)
     set(Hiredis_FOUND TRUE)

cmake_modules/FindJsoncpp.cmake

@@ -10,6 +10,22 @@
 # false, do not try to use jsoncpp. 
 # Jsoncpp_lib - The imported target library.
 
+# On Apple Silicon Macs, Homebrew installs to /opt/homebrew instead of
+# /usr/local (Intel Macs). Detect the prefix dynamically so cmake finds
+# dependencies regardless of Mac architecture.
+if(APPLE)
+    execute_process(
+        COMMAND brew --prefix jsoncpp
+        OUTPUT_VARIABLE HOMEBREW_JSONCPP_PREFIX
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+    if(HOMEBREW_JSONCPP_PREFIX)
+        list(APPEND CMAKE_PREFIX_PATH ${HOMEBREW_JSONCPP_PREFIX})
+    endif()
+endif()
+
+
 # only look in default directories
 find_path(JSONCPP_INCLUDE_DIRS
           NAMES json/json.h

cmake_modules/FindSQLite3.cmake

@@ -13,6 +13,21 @@
 # SQLite3_FOUND   - True if sqlite3 found.
 # SQLite3_lib - The imported target library.
 
+# On Apple Silicon Macs, Homebrew installs to /opt/homebrew instead of
+# /usr/local (Intel Macs). Detect the prefix dynamically so cmake finds
+# dependencies regardless of Mac architecture.
+if(APPLE)
+    execute_process(
+        COMMAND brew --prefix sqlite3
+        OUTPUT_VARIABLE HOMEBREW_SQLITE3_PREFIX
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+    if(HOMEBREW_SQLITE3_PREFIX)
+        list(APPEND CMAKE_PREFIX_PATH ${HOMEBREW_SQLITE3_PREFIX})
+    endif()
+endif()
+
 # Look for the header file.
 find_path(SQLITE3_INCLUDE_DIRS NAMES sqlite3.h)
 

cmake_modules/Findpg.cmake

@@ -7,6 +7,21 @@
 # PostgreSQL.
 # pg_lib - The imported target library.
 
+# On Apple Silicon Macs, Homebrew installs to /opt/homebrew instead of
+# /usr/local (Intel Macs). Detect the prefix dynamically so cmake finds
+# dependencies regardless of Mac architecture.
+if(APPLE)
+    execute_process(
+        COMMAND brew --prefix libpq
+        OUTPUT_VARIABLE HOMEBREW_PG_PREFIX
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
+    )
+    if(HOMEBREW_PG_PREFIX)
+        list(APPEND CMAKE_PREFIX_PATH ${HOMEBREW_PG_PREFIX})
+    endif()
+endif()
+
 find_package(PostgreSQL)
 if(PostgreSQL_FOUND)
   set(PG_LIBRARIES ${PostgreSQL_LIBRARIES})