mpicc-unix-static.c.in

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>

#define PREFIX "@CMAKE_INSTALL_PREFIX@"
#define INSTALL_LIB_DIR "@CMAKE_INSTALL_LIBDIR@"
#define COMPILER "@CMAKE_C_COMPILER@"

int main(int argc, char** argv)
{
  char const* const const_compiler_path = COMPILER;
  char* nonconst_compiler_path = malloc(strlen(const_compiler_path) + 1);
  strcpy(nonconst_compiler_path, const_compiler_path);
  int has_c_flag = 0;
  for (int i = 1; i < argc; ++i) {
    if (0 == strcmp(argv[i], "-c")) {
      has_c_flag = 1;
    }
  }
  int new_argc = argc;
  char const* const prefix = PREFIX;
  char const* const big_i = "-I";
  char const* const include = "/include";
  char const* const lib = "/" INSTALL_LIB_DIR;
  char const* const little_l = "/libfbmpi.a";
  size_t cmdline_size = strlen(big_i) + strlen(prefix) + strlen(include) + 1;
  char* full_big_i = malloc(cmdline_size);
  strcpy(full_big_i, big_i);
  strcat(full_big_i, prefix);
  strcat(full_big_i, include);
  new_argc += 1;
  char* full_little_l = NULL;
  if (!has_c_flag) {
    cmdline_size = strlen(prefix) + strlen(lib) + strlen(little_l) + 1;
    full_little_l = malloc(cmdline_size);
    strcpy(full_little_l, prefix);
    strcat(full_little_l, lib);
    strcat(full_little_l, little_l);
    new_argc += 1;
  }
  char** new_argv = malloc((new_argc + 1) * sizeof(char*));  
  new_argv[0] = nonconst_compiler_path;
  for (int i = 1; i < argc; ++i) {
    new_argv[i] = argv[i];
  }
//for (int i = 0; i < argc; ++i) {
//  fprintf(stderr, "OLD CMDLINE: %s\n", argv[i]);
//}
  new_argv[argc] = full_big_i;
  if (!has_c_flag) {
    new_argv[argc + 1] = full_little_l;
  }
  new_argv[new_argc] = NULL;
//fprintf(stderr, "COMPILER: %s\n", const_compiler_path);
//for (int i = 0; i < new_argc; ++i) {
//  fprintf(stderr, "CMDLINE: %s\n", new_argv[i]);
//}
  return execvp(const_compiler_path, new_argv);
}