$NetBSD: patch-lp__solve_ccc,v 1.5 2017/10/29 22:16:03 khorben Exp $

recent versions of gcc are noisy unless main() is declared returning 'int'
and isnan() needs a floating argument else NOISNAN is defined causing
problems.

--- lp_solve/ccc.orig	2009-01-25 18:39:03.000000000 +0000
+++ lp_solve/ccc
@@ -2,31 +2,36 @@
 src='../lp_MDO.c ../shared/commonlib.c ../colamd/colamd.c ../shared/mmio.c ../shared/myblas.c ../ini.c ../fortify.c ../lp_rlp.c ../lp_crash.c ../bfp/bfp_LUSOL/lp_LUSOL.c ../bfp/bfp_LUSOL/LUSOL/lusol.c ../lp_Hash.c ../lp_lib.c ../lp_wlp.c ../lp_matrix.c ../lp_mipbb.c ../lp_MPS.c ../lp_params.c ../lp_presolve.c ../lp_price.c ../lp_pricePSE.c ../lp_report.c ../lp_scale.c ../lp_simplex.c lp_solve.c ../lp_SOS.c ../lp_utils.c ../yacc_read.c'
 c=cc
 
+tmpdir="@WRKDIR@/tmp"
+mkdir "$tmpdir" || return 2
+
 #determine platform (32/64 bit)
->/tmp/platform.c
-echo '#include <stdlib.h>'>>/tmp/platform.c
-echo '#include <stdio.h>'>>/tmp/platform.c
-echo 'main(){printf("ux%d", (int) (sizeof(void *)*8));}'>>/tmp/platform.c
-$c /tmp/platform.c -o /tmp/platform
-PLATFORM=`/tmp/platform`
-rm /tmp/platform /tmp/platform.c >/dev/null 2>&1
+>$tmpdir/platform.c
+echo '#include <stdlib.h>'>>$tmpdir/platform.c
+echo '#include <stdio.h>'>>$tmpdir/platform.c
+echo 'main(){printf("ux%d", (int) (sizeof(void *)*8));}'>>$tmpdir/platform.c
+$c $tmpdir/platform.c -o $tmpdir/platform
+PLATFORM=`$tmpdir/platform`
+rm $tmpdir/platform $tmpdir/platform.c >/dev/null 2>&1
 
 mkdir bin bin/$PLATFORM >/dev/null 2>&1
 
 math=-lm
 
 #check if this system has the isnan function
->/tmp/isnan.c
-echo '#include <stdio.h>'>>/tmp/isnan.c
-echo '#include <stdlib.h>'>>/tmp/isnan.c
-echo '#include <math.h>'>>/tmp/isnan.c
-echo 'main(){isnan(0);}'>>/tmp/isnan.c
-$c /tmp/isnan.c -o /tmp/isnan $math >/dev/null 2>&1
+>$tmpdir/isnan.c
+echo '#include <stdio.h>'>>$tmpdir/isnan.c
+echo '#include <stdlib.h>'>>$tmpdir/isnan.c
+echo '#include <math.h>'>>$tmpdir/isnan.c
+echo 'int main(){isnan(0.0);}'>>$tmpdir/isnan.c
+$c $tmpdir/isnan.c -o $tmpdir/isnan $math >/dev/null 2>&1
 if [ $? = 0 ]
 then NOISNAN=
 else NOISNAN=-DNOISNAN
 fi
-rm /tmp/isnan.c /tmp/isnan >/dev/null 2>&1
+rm $tmpdir/isnan.c $tmpdir/isnan >/dev/null 2>&1
+
+rmdir $tmpdir
 
 opts='-O3'
 
@@ -38,4 +43,4 @@ then opts='-O0'
 else dl=-ldl
 fi
 
-$c -I.. -I../bfp -I../bfp/bfp_LUSOL -I../bfp/bfp_LUSOL/LUSOL -I../colamd -I../shared $opts $def $NOISNAN -DYY_NEVER_INTERACTIVE -DPARSER_LP -DINVERSE_ACTIVE=INVERSE_LUSOL -DRoleIsExternalInvEngine $src -o bin/$PLATFORM/lp_solve $math $dl
+$c -I.. -I../bfp -I../bfp/bfp_LUSOL -I../bfp/bfp_LUSOL/LUSOL -I../colamd -I../shared $opts $def $NOISNAN -DYY_NEVER_INTERACTIVE -DPARSER_LP -DINVERSE_ACTIVE=INVERSE_LUSOL -DRoleIsExternalInvEngine $src -o bin/$PLATFORM/lp_solve $math $DL_LDADD $LDFLAGS