| let the preprocessor work its magic rather than executing the code |
| |
| https://bugs.gentoo.org/432120 |
| |
| make sure to use -P here |
| |
| https://bugs.gentoo.org/546636 |
| |
| --- a/Configure |
| +++ b/Configure |
| @@ -2730,20 +2730,17 @@ LOCKF_OWNER4 |
| rm -f ${LSOF_TMPC}.* |
| cat > $LSOF_TMPC.c << .LSOF_END_HERE_DOC1 |
| #include <features.h> |
| -main() { |
| +#undef XXX |
| #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) |
| -printf("-DGLIBCV=%d\n",__GLIBC__*100+__GLIBC_MINOR__); |
| +XXX: __GLIBC__ * 100 + __GLIBC_MINOR__ |
| #elif defined(__GLIBC__) |
| -printf("-DGLIBCV=%d00\n",__GLIBC__); |
| -#else |
| -printf("\n"); |
| +XXX: __GLIBC__ * 100 |
| #endif |
| -return(0); } |
| .LSOF_END_HERE_DOC1 |
| - $LINUX_CONF_CC ${LSOF_TMPC}.c -I$LSOF_INCLUDE -o ${LSOF_TMPC}.x > /dev/null 2>&1 |
| + $LINUX_CONF_CC ${LSOF_TMPC}.c -E -P -I$LSOF_INCLUDE 2>/dev/null | sed -n '/^XXX:/s|.*:||p' > ${LSOF_TMPC}.x |
| - if test -x ${LSOF_TMPC}.x # { |
| + if test -s ${LSOF_TMPC}.x # { |
| then |
| - LINUX_CLIB=`${LSOF_TMPC}.x` |
| + LINUX_CLIB="-DGLIBCV=$(( `cat ${LSOF_TMPC}.x` ))" |
| LSOF_TMP=$? |
| else |
| LINUX_CLIB="" |
