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libiconv: fix building with nvhpc (#43033)

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Sergey Kosukhin 2024-03-22 02:43:30 +02:00 committed by GitHub
parent 81c9e346dc
commit 4ac51b2127
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1 changed files with 11 additions and 0 deletions
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var/spack/repos/builtin/packages/libiconv/package.py
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@ -41,6 +41,17 @@ def configure_args(self):
args += self.enable_or_disable("libs")
args.append("--with-pic")
# Starting version 1.17, libiconv uses the version of gnulib that implements a
# configure-time check for C compiler flags that enables/disables certain warning
# (see https://git.savannah.gnu.org/gitweb/?p=gnulib.git;h=0c8a563f6). Unfortunately, the
# check does not work for compilers that inject extra symbols into the translation unit
# during the preprocessing step. For example, NVHPC injects the definition of the
# __va_list_tag structure, which appears verbatim on the compilation command line as
# additional compiler flags. The easiest way to circumvent the issue is to make the
# configure script believe that the compiler does not support a flag that allows warnings:
if self.spec.satisfies("@1.17:%nvhpc"):
args.append("gl_cv_cc_wallow=none")
# A hack to patch config.guess in the libcharset sub directory
copy("./build-aux/config.guess", "libcharset/build-aux/config.guess")
return args