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Fix main() declarations in build script for gcc compatibility #48

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Fix main() declarations in build script for gcc compatibility #48

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45 changes: 23 additions & 22 deletions scripts/build
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,14 @@ fi

# check for bcopy (optionally set the SYS5 flag)
echo "#include <string.h>" > ${BASE}$$.c
echo "main() { char a[256], b[256]; bcopy(a, b, 256); }" >> ${BASE}$$.c
echo "int main() { char a[256], b[256]; bcopy(a, b, 256); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
|| CFLAGS="${CFLAGS} -DSYS5"
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check for valloc
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "main() { char* buf = valloc(123); }" >> ${BASE}$$.c
echo "int main() { char* buf = valloc(123); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
|| CFLAGS="${CFLAGS} -Dvalloc=malloc"
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -70,13 +70,13 @@ echo "#include <sys/resource.h>" >> ${BASE}$$.c
echo "#ifndef RUSAGE_SELF" >> ${BASE}$$.c
echo "#define RUSAGE_SELF 0" >> ${BASE}$$.c
echo "#endif /* RUSAGE_SELF */" >> ${BASE}$$.c
echo "main() { struct rusage ru; getrusage(RUSAGE_SELF, &ru); }" >> ${BASE}$$.c
echo "int main() { struct rusage ru; getrusage(RUSAGE_SELF, &ru); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DRUSAGE"
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check for -lnsl
echo "extern int pmap_getport(); main() { pmap_getport(); }" > ${BASE}$$.c
echo "extern int pmap_getport(); int main() { pmap_getport(); }" > ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
true;
else
Expand All @@ -87,7 +87,7 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c


# check for -lsocket
echo "extern void* getservent(); main() { getservent(); }" > ${BASE}$$.c
echo "extern void* getservent(); int main() { getservent(); }" > ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
true;
else
Expand All @@ -97,7 +97,7 @@ fi
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check for -lrt (solaris)
echo "extern int nanosleep(); main() { nanosleep(); }" >${BASE}$$.c
echo "extern int nanosleep(); int main() { nanosleep(); }" >${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
true;
else
Expand All @@ -107,7 +107,7 @@ fi
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check for -lrpc (cygwin/Windows)
echo "extern int pmap_set(); main() { pmap_set(); }" >${BASE}$$.c
echo "extern int pmap_set(); int main() { pmap_set(); }" >${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
true;
else
Expand All @@ -118,13 +118,13 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check for OSs that have S_IFFIFO instead of S_IFIFO
echo "#include <sys/stat.h>" > ${BASE}$$.c
echo "main() { return (S_IFIFO); }" >> ${BASE}$$.c
echo "int main() { return (S_IFIFO); }" >> ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
true;
else
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
echo "#include <sys/stat.h>" > ${BASE}$$.c
echo "main() { return (S_IFFIFO); }" >> ${BASE}$$.c
echo "int main() { return (S_IFFIFO); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
|| CFLAGS="${CFLAGS} -DS_IFIFO=S_IFFIFO"
fi
Expand All @@ -133,7 +133,7 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
# check that we have uint
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "main() { uint i = 0; return (i); }" >> ${BASE}$$.c
echo "int main() { uint i = 0; return (i); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_uint=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -143,7 +143,7 @@ HAVE_uint64=0
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "#include <rpc/types.h>" >> ${BASE}$$.c
echo "main() { uint64 i = 0; return (int)(i); }" >> ${BASE}$$.c
echo "int main() { uint64 i = 0; return (int)(i); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_uint64=1" && HAVE_uint64=1;
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -152,7 +152,7 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
if [ ${HAVE_uint64} = 0 ]; then
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "main() { uint64_t i = 0; return (int)(i); }" >> ${BASE}$$.c
echo "int main() { uint64_t i = 0; return (int)(i); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_uint64_t=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -163,7 +163,7 @@ HAVE_int64=0
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "#include <rpc/types.h>" >> ${BASE}$$.c
echo "main() { int64 i = 0; return (int)(i); }" >> ${BASE}$$.c
echo "int main() { int64 i = 0; return (int)(i); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_int64=1" && HAVE_int64=1;
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -172,7 +172,7 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
if [ ${HAVE_int64} = 0 ]; then
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "main() { int64_t i = 0; return (int)(i); }" >> ${BASE}$$.c
echo "int main() { int64_t i = 0; return (int)(i); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_int64_t=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -181,7 +181,7 @@ fi
# check that we have drand48 and srand48
HAVE_RANDOM=0
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "main() { srand48(973); return (int)(1.0E9 * drand48()); }" >> ${BASE}$$.c
echo "int main() { srand48(973); return (int)(1.0E9 * drand48()); }" >> ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
CFLAGS="${CFLAGS} -DHAVE_DRAND48"
HAVE_RANDOM=1
Expand All @@ -190,7 +190,7 @@ rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

if [ ${HAVE_RANDOM} -eq 0 ]; then
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "main() { srand(973); return (10 * rand()) / RAND_MAX; }" >> ${BASE}$$.c
echo "int main() { srand(973); return (10 * rand()) / RAND_MAX; }" >> ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
CFLAGS="${CFLAGS} -DHAVE_RAND"
HAVE_RANDOM=1
Expand All @@ -200,7 +200,7 @@ fi

if [ ${HAVE_RANDOM} -eq 0 ]; then
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "main() { srandom(973); return (10 * random()) / RAND_MAX; }" >> ${BASE}$$.c
echo "int main() { srandom(973); return (10 * random()) / RAND_MAX; }" >> ${BASE}$$.c
if ${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL}; then
CFLAGS="${CFLAGS} -DHAVE_RANDOM"
HAVE_RANDOM=1
Expand All @@ -211,7 +211,7 @@ fi
# check that we have sysmp
echo "#include <sys/types.h>" > ${BASE}$$.c
echo "#include <sys/sysmp.h>" >> ${BASE}$$.c
echo "main() { return (int)sysmp(MP_NPROCS); }" >> ${BASE}$$.c
echo "int main() { return (int)sysmp(MP_NPROCS); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_SYSMP=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -221,7 +221,7 @@ echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <unistd.h>" >> ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "#include <sys/processor.h>" >> ${BASE}$$.c
echo "main() { return bindprocessor(BINDPROCESS, getpid(), 0); }" >> ${BASE}$$.c
echo "int main() { return bindprocessor(BINDPROCESS, getpid(), 0); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_BINDPROCESSOR=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand All @@ -231,16 +231,17 @@ echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#include <sys/types.h>" >> ${BASE}$$.c
echo "#include <sys/processor.h>" >> ${BASE}$$.c
echo "#include <sys/procset.h>" >> ${BASE}$$.c
echo "main() { return processor(P_PID, P_MYPID, 0, NULL); }" >> ${BASE}$$.c
echo "int main() { return processor(P_PID, P_MYPID, 0, NULL); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_BINDPROCESSOR=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c

# check that we have sched_setaffinity
echo "#include <stdlib.h>" > ${BASE}$$.c
echo "#define _GNU_SOURCE" > ${BASE}$$.c
echo "#include <stdlib.h>" >> ${BASE}$$.c
echo "#include <unistd.h>" >> ${BASE}$$.c
echo "#include <sched.h>" >> ${BASE}$$.c
echo "main() { unsigned long mask = 1; return sched_setaffinity(0, sizeof(unsigned long), &mask); }" >> ${BASE}$$.c
echo "int main() { cpu_set_t mask; return sched_setaffinity(0, sizeof(mask), &mask); }" >> ${BASE}$$.c
${CC} ${CFLAGS} -o ${BASE}$$ ${BASE}$$.c 1>${NULL} 2>${NULL} \
&& CFLAGS="${CFLAGS} -DHAVE_SCHED_SETAFFINITY=1";
rm -f ${BASE}$$ ${BASE}$$.o ${BASE}$$.c
Expand Down