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Add -gen-autotools option generates example configure.ac and Makefile.am

This commit is contained in:
Jon Ringle 2017-11-14 11:16:03 -05:00 committed by Lev Walkin
parent 1029a6ec9b
commit 3aa33c032e
3 changed files with 67 additions and 1 deletions
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5
asn1c/asn1c.c
View File

@ -127,6 +127,8 @@ main(int ac, char **av) {
asn1_compiler_flags |= A1C_GEN_OER;
} else if(strcmp(optarg, "en-example") == 0) {
asn1_compiler_flags |= A1C_GEN_EXAMPLE;
} else if(strcmp(optarg, "en-autotools") == 0) {
asn1_compiler_flags |= A1C_GEN_AUTOTOOLS_EXAMPLE;
} else {
fprintf(stderr, "-g%s: Invalid argument\n", optarg);
exit(EX_USAGE);
@ -141,6 +143,8 @@ main(int ac, char **av) {
asn1_compiler_flags &= ~A1C_GEN_OER;
} else if(strcmp(optarg, "o-gen-example") == 0) {
asn1_compiler_flags &= ~A1C_GEN_EXAMPLE;
} else if(strcmp(optarg, "o-gen-autotools") == 0) {
asn1_compiler_flags &= ~A1C_GEN_AUTOTOOLS_EXAMPLE;
} else {
fprintf(stderr, "-n%s: Invalid argument\n", optarg);
exit(EX_USAGE);
@ -533,6 +537,7 @@ usage(const char *av0) {
" -no-gen-OER Do not generate the OER (X.696) support code\n"
" -no-gen-PER Do not generate the PER (X.691) support code\n"
" -no-gen-example Do not generate the ASN.1 format converter example\n"
" -gen-autotools Generate example top-level configure.ac and Makefile.am\n"
" -pdu={all|auto|Type} Generate PDU table (discover PDUs automatically)\n"
"\n"

57
libasn1compiler/asn1c_save.c
View File

@ -294,6 +294,58 @@ asn1c__save_example_am_makefile(arg_t *arg, const asn1c_dep_chainset *deps, cons
return 0;
}
static int
asn1c__save_autotools_example(const char *destdir,
const char *program_makefile_name) {
FILE *fd;
const char* confac = "configure.ac";
const char* makeam = "Makefile.am";
if ((access(confac, F_OK) != -1)
|| (access(makeam, F_OK) != -1))
{
safe_fprintf(stderr, "Refusing to overwrite existing '%s' or '%s'\n", confac, makeam);
return -1;
}
fd = asn1c_open_file("", confac, "", 0);
if(fd == NULL) {
perror(confac);
return -1;
}
safe_fprintf(fd,
"AC_INIT([asn1convert],[0.1])\n"
"AM_INIT_AUTOMAKE([-Werror foreign subdir-objects])\n"
"AC_PREREQ([2.62])\n"
"AC_PROG_CC\n"
"LT_INIT\n"
"AM_SILENT_RULES([yes])\n"
"AC_CONFIG_FILES([Makefile])\n"
"AC_OUTPUT\n");
fclose(fd);
safe_fprintf(stderr, "Generated minimal example %s\n", confac);
fd = asn1c_open_file("", makeam, "", 0);
if(fd == NULL) {
perror(makeam);
return -1;
}
safe_fprintf(fd,
"bin_PROGRAMS =\n"
"lib_LTLIBRARIES =\n"
"include %s%s\n\n",
destdir, program_makefile_name);
fclose(fd);
safe_fprintf(stderr, "Generated minimal example %s\n", makeam);
safe_fprintf(stderr, "\nRun the following to generate a configure script:\n");
safe_fprintf(stderr, "$ autoreconf --force --install\n");
return 0;
}
static int
can_generate_pdu_collection(arg_t *arg) {
abuf *buf = generate_pdu_collection(arg);
if(!buf) {
@ -362,6 +414,11 @@ asn1c_save_compiled_output(arg_t *arg, const char *datadir, const char *destdir,
example_am_makefile,
library_makefile, argc, argv);
if(ret) break;
if(arg->flags & A1C_GEN_AUTOTOOLS_EXAMPLE) {
ret = asn1c__save_autotools_example(destdir, example_am_makefile);
if(ret) break;
}
}
} while(0);

6
libasn1compiler/asn1compiler.h
View File

@ -87,7 +87,11 @@ enum asn1c_flags {
/*
* Generate converter-example.c and converter-example.mk
*/
A1C_GEN_EXAMPLE = 0x100000,
A1C_GEN_EXAMPLE = 0x100000,
/*
* Generate top-level configure.ac and Makefile.am
*/
A1C_GEN_AUTOTOOLS_EXAMPLE = 0x200000,
};
/*