diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 52 |
1 files changed, 49 insertions, 3 deletions
@@ -1,14 +1,60 @@ #include <stdio.h> #include <fcntl.h> +#include <time.h> +#include <unistd.h> +#include <pthread.h> #include <sys/stat.h> +#include <sys/wait.h> +#include <sys/types.h> -int main() { - int fd = creat("makefile", S_IRWXU | S_IXGRP | S_IXOTH); +int f1_newer(char *f1, char *f2) { + struct stat f1_attr; + struct stat f2_attr; + stat(f1, &f1_attr); + stat(f2, &f2_attr); + if (difftime(f1_attr.st_mtime, f2_attr.st_mtime) <= 0) { + return 0; + } + return 1; +} + +void *create_make() { + /* Create simple makefile */ + int fd = creat("makefile", 00644); FILE *file = fdopen(fd, "w"); - fprintf(file, "debug: main.c\n\tgcc -Wall main.c -o ./bin/debug"); + fprintf(file, "debug: main.c\n\tgcc -Wall main.c -o ./bin/debug\nrelease: main.c\n\tgcc -O2 -march-native main.c -o ./bin/release"); fclose(file); + return NULL; +} + + +int main() { + pthread_t f_thread; + pthread_create(&f_thread, NULL, create_make, NULL); + mkdir("./bin", 0777); + char *source = "main.c"; + char *bin = "./bin/debug"; + + pthread_join(f_thread, NULL); + + if (f1_newer(source, bin)) { + pid_t make_pid; + if ((make_pid = fork()) == 0) { + printf("Recompiling...\n"); + execl("/usr/bin/make", "make", "debug", NULL); + } + waitpid(make_pid, NULL, 0); + } + + pid_t x_pid; + if ((x_pid = fork()) == 0) { + execl("./bin/debug", "debug", NULL); + } + + waitpid(x_pid, NULL, 0); + return 0; } |