summaryrefslogtreecommitdiff
path: root/src/logic/slbt_exec_compile.c
blob: 90df7313adaef84fb01585b11e539b84591517e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*******************************************************************/
/*  slibtool: a skinny libtool implementation, written in C        */
/*  Copyright (C) 2016  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_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;

	if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT))
		strerror(errno);

	return -1;
}

int  slbt_exec_compile(
	const struct slbt_driver_ctx *	dctx,
	struct slbt_exec_ctx *		ectx)
{
	int			ret;
	struct slbt_exec_ctx *	actx = 0;

	/* dry run */
	if (dctx->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 -1;

	/* .libs directory */
	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
		if (slbt_mkdir(ectx->ldirname)) {
			slbt_free_exec_ctx(actx);
			return -1;
		}

	/* compile mode */
	ectx->program = ectx->compiler;
	ectx->argv    = ectx->cargv;

	/* shared library object */
	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED) {
		if (!(dctx->cctx->drvflags & SLBT_DRIVER_ANTI_PIC)) {
			*ectx->dpic = "-DPIC";
			*ectx->fpic = "-fPIC";
		}

		switch (dctx->cctx->tag) {
			case SLBT_TAG_NASM:
				break;

			default:
				*ectx->cass = "-c";
				break;
		}

		*ectx->lout[0] = "-o";
		*ectx->lout[1] = ectx->lobjname;

		if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {
			if (slbt_output_compile(dctx,ectx)) {
				slbt_free_exec_ctx(actx);
				return -1;
			}
		}

		if (((ret = slbt_spawn(ectx,true)) < 0) || ectx->exitcode) {
			slbt_free_exec_ctx(actx);
			return -1;
		}
	}

	/* static archive object */
	if (dctx->cctx->drvflags & SLBT_DRIVER_STATIC) {
		slbt_reset_placeholders(ectx);

		if (dctx->cctx->drvflags & SLBT_DRIVER_PRO_PIC) {
			*ectx->dpic = "-DPIC";
			*ectx->fpic = "-fPIC";
		}

		switch (dctx->cctx->tag) {
			case SLBT_TAG_NASM:
				break;

			default:
				*ectx->cass = "-c";
				break;
		}

		*ectx->lout[0] = "-o";
		*ectx->lout[1] = ectx->aobjname;

		if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {
			if (slbt_output_compile(dctx,ectx)) {
				slbt_free_exec_ctx(actx);
				return -1;
			}
		}

		if (((ret = slbt_spawn(ectx,true)) < 0) || ectx->exitcode) {
			slbt_free_exec_ctx(actx);
			return -1;
		}
	}

	ret = slbt_create_object_wrapper(dctx,ectx);
	slbt_free_exec_ctx(actx);

	return ret;
}