diff options
Diffstat (limited to 'reproduce/software/bash/configure.sh')
| -rwxr-xr-x | reproduce/software/bash/configure.sh | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/reproduce/software/bash/configure.sh b/reproduce/software/bash/configure.sh index be9c635..14268d9 100755 --- a/reproduce/software/bash/configure.sh +++ b/reproduce/software/bash/configure.sh @@ -866,11 +866,11 @@ fi # example `/usr/include/x86_64-linux-gnu/') that are automatically included # in an installed GCC. HOWEVER during the build of GCC, all those other # directories are ignored. So even if they exist, they are useless. -warningsleep=0 +gccwarning=0 if [ $host_cc = 0 ]; then if ! [ -f /usr/include/sys/cdefs.h ]; then host_cc=1 - warningsleep=1 + gccwarning=1 cat <<EOF !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! @@ -893,7 +893,7 @@ EOF host_cc=$host_cc else host_cc=1 - warningsleep=1 + gccwarning=1 cat <<EOF !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! @@ -902,8 +902,8 @@ EOF This system doesn't have '/usr/lib/libc.a' or '/usr/lib64/libc.a'. Because of this, the project can't build its custom GCC to ensure better -reproducibility. We strongly recommend installing the proper package (for -your operating system) that installs this necessary file. +reproducibility. We recommend installing the proper package (for your +operating system) that installs this necessary file. Some possible solutions: 1. On some Debian-based GNU/Linux distros, these two packages may fix the @@ -919,8 +919,60 @@ Some possible solutions: EOF fi +fi - if [ $warningsleep = 1 ]; then +# See if a link-able static C library exists +# ------------------------------------------ +# +# After building GCC, we must use PatchELF to correct its RPATHs. However, +# PatchELF links internally with `libstdc++'. So a dynamicly linked +# PatchELF cannot be used to correct the links to `libstdc++' in general +# (on some systems this causes no problem, but on others it doesn't!). +# +# However, to build a Static PatchELF, we need to be able to link with the +# static C library, which is not always available on some GNU/Linux +# systems. Therefore we need to check this here. If we can't build a static +# PatchELF, we won't build any GCC either. +if [ $host_cc = 0 ]; then + testprog=$tmpblddir/test-c + testsource=$tmpblddir/test.c + echo; echo; echo "Checking if static C library is available..."; + echo "#include <stdio.h>" > $testsource + echo "#include <stdlib.h>" >> $testsource + echo "int main(void){printf(\"...yes\");" >> $testsource + echo " return EXIT_SUCCESS;}" >> $testsource + if gcc $testsource -o$testprog -static -lc && $testprog; then + good_static_libc=1 + rm $testsource $testprog + else + good_static_libc=0 + rm $testsource + gccwarning=1 + host_cc=1 + cat <<EOF + +!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +!!!!!!!!!!!!!!!!!!!!!! Warning !!!!!!!!!!!!!!!!!!!!!! +!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + +A usable static C library ('libc.a', in any directory) cannot be linked in +the current settings of this system. Because of this we can't build a +static PatchELF, hence we can't build GCC. + +If you have 'libc.a', but in a non-standard location (for example in +'/PATH/TO/STATIC/LIBC/libc.a'), please run this command, then re-configure +the project to fix this problem. + +export LDFLAGS="-L/PATH/TO/STATIC/LIBC \$LDFLAGS" + +!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + +EOF + fi +fi + +# Print a warning if GCC is not meant to be built. +if [ $gccwarning = 1 ]; then cat <<EOF PLEASE SEE THE WARNINGS ABOVE. @@ -932,7 +984,6 @@ compiler, then re-run './project configure'. EOF sleep 5 - fi fi @@ -1115,6 +1166,7 @@ fi # tools, but we have to be very portable (and use minimal features in all). echo; echo "Building necessary software (if necessary)..." make -f reproduce/software/make/basic.mk \ + good_static_libc=$good_static_libc \ rpath_command=$rpath_command \ static_build=$static_build \ needs_ldl=$needs_ldl \ |