Use c99

Signed-off-by: Mattias Andrée <maandree@kth.se>

Author: maandree

.gitignore

@@ -1,13 +1,4 @@
-/hungarian
 *~
-\#*\#
-.*
-!.git*
-*.bak
-*.swp
-*.swo
+*#*
 *.su
-*.o
-*.out
-*.gch
-
+/hungarian

Makefile

@@ -1,27 +1,17 @@
-OPTIMISE = -Og -g
-WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self -Wmissing-include-dirs  \
-       -Wtrampolines -Wfloat-equal -Wshadow -Wmissing-prototypes -Wmissing-declarations          \
-       -Wredundant-decls -Wnested-externs -Winline -Wno-variadic-macros -Wsync-nand              \
-       -Wunsafe-loop-optimizations -Wcast-align -Wstrict-overflow                                \
-       -Wundef -Wbad-function-cast -Wcast-qual -Wwrite-strings -Wlogical-op -Waggregate-return   \
-       -Wstrict-prototypes -Wold-style-definition -Wpacked -Wvector-operation-performance        \
-       -Wunsuffixed-float-constants -Wsuggest-attribute=const -Wsuggest-attribute=noreturn       \
-       -Wsuggest-attribute=pure -Wsuggest-attribute=format -Wnormalized=nfkc -Wconversion        \
-       -fstrict-aliasing -fstrict-overflow -fipa-pure-const -ftree-vrp -fstack-usage             \
-       -funsafe-loop-optimizations  -Wdeclaration-after-statement
+.POSIX:
+
+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700
+CFLAGS   = -std=c99 -g
+LDFLAGS  =
 
 
 all: hungarian
 
 hungarian: hungarian.c
-	gcc -std=gnu99 $(OPTIMISE) $(WARN) $(CFLAGS) $(LDFLAGS) $(CPPFLAGS) -o $@ $<
-
-test: hungarian
-	./hungarian
+	gcc -o $@ $< $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)
 
 clean:
 	-rm -f -- hungarian
 
 
-.PHONY: all test valgrind clean
-
+.PHONY: all clean

hungarian.c

@@ -11,6 +11,7 @@
  */
 
 
+#include <sys/types.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>