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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2018 Z. Gilboa */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <string.h>
#include <stdbool.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <slibtool/slibtool.h>
#include "slibtool_spawn_impl.h"
#include "slibtool_mkdir_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_metafile_impl.h"
static int slbt_exec_compile_remove_file(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx,
const char * target)
{
(void)ectx;
/* remove target (if any) */
if (!(unlink(target)) || (errno == ENOENT))
return 0;
return SLBT_SYSTEM_ERROR(dctx);
}
int slbt_exec_compile(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx)
{
int ret;
char * fpic;
struct slbt_exec_ctx * actx = 0;
const struct slbt_common_ctx * cctx = dctx->cctx;
/* dry run */
if (cctx->drvflags & SLBT_DRIVER_DRY_RUN)
return 0;
/* context */
if (ectx)
slbt_reset_placeholders(ectx);
else if ((ret = slbt_get_exec_ctx(dctx,&ectx)))
return ret;
else
actx = ectx;
/* remove old .lo wrapper */
if (slbt_exec_compile_remove_file(dctx,ectx,ectx->ltobjname))
return SLBT_NESTED_ERROR(dctx);
/* .libs directory */
if (cctx->drvflags & SLBT_DRIVER_SHARED)
if (slbt_mkdir(ectx->ldirname)) {
slbt_free_exec_ctx(actx);
return SLBT_SYSTEM_ERROR(dctx);
}
/* compile mode */
ectx->program = ectx->compiler;
ectx->argv = ectx->cargv;
/* -fpic */
fpic = *ectx->fpic;
if ((cctx->tag == SLBT_TAG_CC) || (cctx->tag == SLBT_TAG_CXX))
if (cctx->settings.picswitch)
fpic = cctx->settings.picswitch;
/* shared library object */
if (cctx->drvflags & SLBT_DRIVER_SHARED) {
if (!(cctx->drvflags & SLBT_DRIVER_ANTI_PIC)) {
*ectx->dpic = "-DPIC";
*ectx->fpic = fpic;
}
*ectx->lout[0] = "-o";
*ectx->lout[1] = ectx->lobjname;
if (!(cctx->drvflags & SLBT_DRIVER_SILENT)) {
if (slbt_output_compile(dctx,ectx)) {
slbt_free_exec_ctx(actx);
return SLBT_NESTED_ERROR(dctx);
}
}
if (((ret = slbt_spawn(ectx,true)) < 0) || ectx->exitcode) {
slbt_free_exec_ctx(actx);
return SLBT_SYSTEM_ERROR(dctx);
}
}
/* static archive object */
if (cctx->drvflags & SLBT_DRIVER_STATIC) {
slbt_reset_placeholders(ectx);
if (cctx->drvflags & SLBT_DRIVER_PRO_PIC) {
*ectx->dpic = "-DPIC";
*ectx->fpic = fpic;
}
*ectx->lout[0] = "-o";
*ectx->lout[1] = ectx->aobjname;
if (!(cctx->drvflags & SLBT_DRIVER_SILENT)) {
if (slbt_output_compile(dctx,ectx)) {
slbt_free_exec_ctx(actx);
return SLBT_NESTED_ERROR(dctx);
}
}
if (((ret = slbt_spawn(ectx,true)) < 0) || ectx->exitcode) {
slbt_free_exec_ctx(actx);
return SLBT_SYSTEM_ERROR(dctx);
}
}
ret = slbt_create_object_wrapper(dctx,ectx);
slbt_free_exec_ctx(actx);
return ret ? SLBT_NESTED_ERROR(dctx) : 0;
}
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