| From 8810f2643c9372a8083272dc1fc157427646d961 Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Wed, 10 Aug 2022 17:16:23 -0700 |
| Subject: [PATCH 1/2] configure: Specify correct function signatures and |
| declarations |
| |
| Include needed system headers in configure tests, this is needed because |
| newer compilers are getting stricter about the C99 specs and turning |
| -Wimplicit-function-declaration into hard error e.g. clang-15+ |
| |
| Upstream-Status: Inactive-Upstream |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| unix/configure | 79 +++++++++++++++++++++++++++++++++++++++++--------- |
| 1 file changed, 66 insertions(+), 13 deletions(-) |
| |
| diff --git a/unix/configure b/unix/configure |
| index 1d9a9bb..f2b3d02 100644 |
| --- a/unix/configure |
| +++ b/unix/configure |
| @@ -513,21 +513,70 @@ $CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null |
| # Check for missing functions |
| # add NO_'function_name' to flags if missing |
| |
| -for func in rmdir strchr strrchr rename mktemp mktime mkstemp |
| -do |
| - echo Check for $func |
| - echo "int main(){ $func(); return 0; }" > conftest.c |
| - $CC $CFLAGS $LDFLAGS $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null |
| - [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`" |
| -done |
| +echo Check for rmdir |
| +cat > conftest.c << _EOF_ |
| +#include <unistd.h> |
| +int main(){ rmdir(NULL); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RMDIR" |
| + |
| +echo Check for strchr |
| +cat > conftest.c << _EOF_ |
| +#include <string.h> |
| +int main(){ strchr(NULL,0); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRCHR" |
| |
| +echo Check for strrchr |
| +cat > conftest.c << _EOF_ |
| +#include <string.h> |
| +int main(){ strrchr(NULL,0); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRRCHR" |
| + |
| +echo Check for rename |
| +cat > conftest.c << _EOF_ |
| +#include <stdio.h> |
| +int main(){ rename(NULL,NULL); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RENAME" |
| + |
| +echo Check for mktemp |
| +cat > conftest.c << _EOF_ |
| +#include <stdlib.h> |
| +int main(){ mktemp(NULL); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTEMP" |
| + |
| +echo Check for mktime |
| +cat > conftest.c << _EOF_ |
| +#include <time.h> |
| +int main(){ mktime(NULL); return 0; } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTIME" |
| + |
| +echo Check for mkstemp |
| +cat > conftest.c << _EOF_ |
| +#include <stdlib.h> |
| +int main(){ return mkstemp(NULL); } |
| +_EOF_ |
| +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKSTEMP" |
| |
| echo Check for memset |
| -echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c |
| +cat > conftest.c << _EOF_ |
| +#include <string.h> |
| +int main(){ char k; memset(&k,0,0); return 0; } |
| +_EOF_ |
| $CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM" |
| |
| - |
| echo Check for memmove |
| cat > conftest.c << _EOF_ |
| #include <string.h> |
| @@ -548,7 +597,7 @@ $CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| echo Check for errno declaration |
| cat > conftest.c << _EOF_ |
| #include <errno.h> |
| -main() |
| +int main() |
| { |
| errno = 0; |
| return 0; |
| @@ -625,14 +674,18 @@ CFLAGS="${CFLAGS} ${OPT}" |
| |
| echo Check for valloc |
| cat > conftest.c << _EOF_ |
| -main() |
| +#include <stdlib.h> |
| +int main() |
| { |
| #ifdef MMAP |
| - valloc(); |
| + valloc(0); |
| #endif |
| + return 0; |
| } |
| _EOF_ |
| -$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null |
| +#$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null |
| +$CC ${CFLAGS} -c conftest.c |
| +echo "===========================================" |
| [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_VALLOC" |
| |
| |
| -- |
| 2.37.1 |
| |