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Add code to determine a version string

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If the folder where the code is compiled is a valid git repository, the
version string is generated with `git describe`. If it isn't a valid
repository, a string included in the source code is used instead. This
one must be updated regularly as the toolchain is developed.

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2017-07-11 01:01:23 +01:00
parent 4be92e14e6
commit 318c981c00
3 changed files with 67 additions and 5 deletions
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17
Makefile
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@@ -15,13 +15,15 @@ PNGCFLAGS := `${PKG_CONFIG} --static --cflags libpng`
PNGLDFLAGS := `${PKG_CONFIG} --static --libs-only-L libpng`
PNGLDLIBS := `${PKG_CONFIG} --static --libs-only-l libpng`
VERSION_STRING := `git describe --tags --dirty --always 2>/dev/null`
WARNFLAGS := -Wall -Werror
# Overridable CFLAGS
CFLAGS := -g
# Non-overridable CFLAGS
REALCFLAGS := ${CFLAGS} ${WARNFLAGS} -std=c99 -D_POSIX_C_SOURCE=200809L \
-Iinclude
-Iinclude -DBUILD_VERSION_STRING=\"${VERSION_STRING}\"
YFLAGS :=
LFLAGS := --nounistd
@@ -49,7 +51,9 @@ rgbasm_obj := \
src/extern/err.o \
src/extern/reallocarray.o \
src/extern/strlcpy.o \
src/extern/strlcat.o
src/extern/strlcat.o \
src/extern/version.o
src/asm/asmy.h: src/asm/asmy.c
src/asm/locallex.o src/asm/globlex.o src/asm/lexer.o: src/asm/asmy.h
@@ -66,20 +70,23 @@ rgblink_obj := \
src/link/parser.o \
src/link/script.o \
src/link/symbol.o \
src/extern/err.o
src/extern/err.o \
src/extern/version.o
src/link/parser.h: src/link/parser.c
src/link/lexer.o: src/link/parser.h
rgbfix_obj := \
src/fix/main.o \
src/extern/err.o
src/extern/err.o \
src/extern/version.o
rgbgfx_obj := \
src/gfx/gb.o \
src/gfx/main.o \
src/gfx/makepng.o \
src/extern/err.o
src/extern/err.o \
src/extern/version.o
rgbasm: ${rgbasm_obj}
$Q${CC} ${REALCFLAGS} -o $@ ${rgbasm_obj} -lm

21
include/extern/version.h vendored Normal file
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@@ -0,0 +1,21 @@
/*
* Copyright (C) 2017 Antonio Nino Diaz <antonio_nd@outlook.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define PACKAGE_VERSION_MAJOR (0)
#define PACKAGE_VERSION_MINOR (3)
#define PACKAGE_VERSION_PATCH (2)
const char * get_package_version_string(void);

34
src/extern/version.c vendored Normal file
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@@ -0,0 +1,34 @@
/*
* Copyright (C) 2017 Antonio Nino Diaz <antonio_nd@outlook.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include "extern/version.h"
const char * get_package_version_string(void)
{
static char s[50];
/* The following conditional should be simplified by the compiler. */
if (strlen(BUILD_VERSION_STRING) == 0) {
snprintf(s, sizeof(s), "v%d.%d.%d", PACKAGE_VERSION_MAJOR,
PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCH);
return s;
} else {
return BUILD_VERSION_STRING;
}
}