(arrow) branch main updated: GH-47025: [C++][Docs] Increase minimum gcc for building from 7.1 to 9 (#47026)

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The following commit(s) were added to refs/heads/main by this push:
     new b712c1e2ca GH-47025: [C++][Docs] Increase minimum gcc for building from 7.1 to 9 (#47026)
b712c1e2ca is described below

commit b712c1e2ca3ff0eec328cdd7a7db11238baefb7e
Author: Bryce Mecum <pe...@gmail.com>
AuthorDate: Mon Jul 7 21:17:02 2025 -0700

    GH-47025: [C++][Docs] Increase minimum gcc for building from 7.1 to 9 (#47026)
    
    ### Rationale for this change
    
    See https://github.com/apache/arrow/issues/47025.
    
    ### What changes are included in this PR?
    
    - Updated developer docs on building Arrow C++
    
    ### Are these changes tested?
    
    No.
    
    ### Are there any user-facing changes?
    
    Yes. Users should be advised about the change.
    * GitHub Issue: #47025
    
    Authored-by: Bryce Mecum <pe...@gmail.com>
    Signed-off-by: Sutou Kouhei <ko...@clear-code.com>
---
 docs/source/developers/cpp/building.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/developers/cpp/building.rst b/docs/source/developers/cpp/building.rst
index 8fe8971261..0c37ee9450 100644
--- a/docs/source/developers/cpp/building.rst
+++ b/docs/source/developers/cpp/building.rst
@@ -39,7 +39,7 @@ out-of-source. If you are not familiar with this terminology:
 
 Building requires:
 
-* A C++17-enabled compiler. On Linux, gcc 7.1 and higher should be
+* A C++17-enabled compiler. On Linux, gcc 9 and higher should be
   sufficient. For Windows, at least Visual Studio VS2017 is required.
 * CMake 3.25 or higher
 * On Linux and macOS, either ``make`` or ``ninja`` build utilities