From 5079086019a6529fe5de0f62eddaa3b870226d2c Mon Sep 17 00:00:00 2001 From: Mosè Giordano Date: Thu, 16 Feb 2023 16:45:06 +0000 Subject: cp2k: explicitly use C99 standard (#34957) --- var/spack/repos/builtin/packages/cp2k/package.py | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'var') diff --git a/var/spack/repos/builtin/packages/cp2k/package.py b/var/spack/repos/builtin/packages/cp2k/package.py index 3daff41e5f..43b0d8ecfc 100644 --- a/var/spack/repos/builtin/packages/cp2k/package.py +++ b/var/spack/repos/builtin/packages/cp2k/package.py @@ -340,6 +340,10 @@ class Cp2k(MakefilePackage, CudaPackage): libs = [] gpuver = "" + # CP2K Makefile doesn't set C standard, but the source code uses + # C99-style for-loops with inline definition of iterating variable. + cflags.append(self.compiler.c99_flag) + if "%intel" in spec: cflags.append("-fp-model precise") cxxflags.append("-fp-model precise") -- cgit v1.2.3-60-g2f50