[PATCH] D156286: [docs] Bump minimum GCC version to 7.4

[Fangrui Song via Phabricator via cfe-commits]

MaskRay updated this revision to Diff 545768.
MaskRay retitled this revision from "[docs] Bump minimum GCC version to 7.5" to "[docs] Bump minimum GCC version to 7.4".
MaskRay edited the summary of this revision.
MaskRay added a comment.

7.5 => 7.4


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156286/new/

https://reviews.llvm.org/D156286

Files:
  llvm/cmake/modules/CheckCompilerVersion.cmake
  llvm/docs/GettingStarted.rst


Index: llvm/docs/GettingStarted.rst
===================================================================
--- llvm/docs/GettingStarted.rst
+++ llvm/docs/GettingStarted.rst
@@ -281,7 +281,6 @@
 Package                                                     Version      Notes
 =========================================================== ============ ==========================================
 `CMake <http://cmake.org/>`__                               >=3.20.0     Makefile/workspace generator
-`GCC <http://gcc.gnu.org/>`_                                >=7.1.0      C/C++ compiler\ :sup:`1`
 `python <http://www.python.org/>`_                          >=3.6        Automated test suite\ :sup:`2`
 `zlib <http://zlib.net>`_                                   >=1.2.3.4    Compression library\ :sup:`3`
 `GNU Make <http://savannah.gnu.org/projects/make>`_         3.79, 3.79.1 Makefile/build processor\ :sup:`4`
@@ -343,7 +342,7 @@
 
 * Clang 5.0
 * Apple Clang 10.0
-* GCC 7.1
+* GCC 7.4
 * Visual Studio 2019 16.7
 
 Anything older than these toolchains *may* work, but will require forcing the
@@ -409,11 +408,11 @@
 .. _github gist:
   https://gist.github.com/application2000/73fd6f4bf1be6600a2cf9f56315a2d91
 
-Easy steps for installing GCC 7.1.0:
+Easy steps for installing a specific version of GCC:
 
 .. code-block:: console
 
-  % gcc_version=7.1.0
+  % gcc_version=7.4.0
   % wget https://ftp.gnu.org/gnu/gcc/gcc-${gcc_version}/gcc-${gcc_version}.tar.bz2
   % wget https://ftp.gnu.org/gnu/gcc/gcc-${gcc_version}/gcc-${gcc_version}.tar.bz2.sig
   % wget https://ftp.gnu.org/gnu/gnu-keyring.gpg
Index: llvm/cmake/modules/CheckCompilerVersion.cmake
===================================================================
--- llvm/cmake/modules/CheckCompilerVersion.cmake
+++ llvm/cmake/modules/CheckCompilerVersion.cmake
@@ -4,8 +4,8 @@
 
 include(CheckCXXSourceCompiles)
 
-set(GCC_MIN 7.1)
-set(GCC_SOFT_ERROR 7.1)
+set(GCC_MIN 7.4)
+set(GCC_SOFT_ERROR 7.4)
 set(CLANG_MIN 5.0)
 set(CLANG_SOFT_ERROR 5.0)
 set(APPLECLANG_MIN 10.0)


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