Skip to content

make GCC easyblock aware of --sysroot EasyBuild configuration option #2143

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Aug 31, 2020
Merged

make GCC easyblock aware of --sysroot EasyBuild configuration option #2143

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
98238b6
make GCC easyblock aware of --sysroot EasyBuild configuration option
boegel Aug 24, 2020
e0a47ad
fix comment clarifying why --with-sysroot is used in GCC easyblock
boegel Aug 31, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 20 additions & 0 deletions easybuild/easyblocks/g/gcc.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -289,6 +289,26 @@ def configure_step(self):
- set platform_lib based on config.guess output
"""

sysroot = build_option('sysroot')
if sysroot:
# based on changes made to GCC in Gentoo Prefix
# https://gitweb.gentoo.org/repo/gentoo.git/tree/profiles/features/prefix/standalone/profile.bashrc

# add --with-sysroot configure option, to instruct GCC to consider
# $EPREFIX as the root filesystem of the operating system
# (see https://gcc.gnu.org/install/configure.html)
self.cfg.update('configopts', '--with-sysroot=%s' % sysroot)

# avoid that --sysroot is passed to linker by patching value for SYSROOT_SPEC in gcc/gcc.c
apply_regex_substitutions(os.path.join('gcc', 'gcc.c'), [('--sysroot=%R', '')])

# prefix dynamic linkers with sysroot
# this patches lines like:
# #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
gcc_config_headers = glob.glob(os.path.join('gcc', 'config', '*', '*linux*.h'))
regex_subs = [('(_DYNAMIC_LINKER.*[":])/lib', r'\1%s/lib' % sysroot)]
apply_regex_substitutions(gcc_config_headers, regex_subs)

# self.configopts will be reused in a 3-staged build,
# configopts is only used in first configure
self.configopts = self.cfg['configopts']
Expand Down