fix build

This allows the library to be linked with other libraries that also
use flex and bison.

.travis.yml

@@ -25,5 +25,7 @@ install:
   - sudo dpkg -i pkg-config_0.29.1-0ubuntu2_amd64.deb
 
 script:
-  - ./build.sh
+  - mkdir build; cd build
-  - make check
+  - cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/usr
+  - make
+  - make test

CMakeLists.txt

@@ -0,0 +1,74 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.24)
+PROJECT(libdice)
+
+INCLUDE(CheckFunctionExists)
+
+FIND_PACKAGE(PkgConfig)
+FIND_PACKAGE(BISON)
+FIND_PACKAGE(FLEX)
+
+PKG_CHECK_MODULES(CMOCKA REQUIRED cmocka)
+
+ENABLE_TESTING()
+
+SET(VERSION "0.4")
+SET(TARGET "dice")
+
+SET(SOURCES
+  "lib/diceexpr.c"
+  "lib/dice.c"
+  )
+
+SET(HEADERS
+  "lib/dice.h"
+  )
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/lib
+  ${CMAKE_CURRENT_BINARY_DIR}
+  )
+
+# Yacc/BISON/Flex stuff
+BISON_TARGET(DICE_PARSER
+  "${CMAKE_CURRENT_SOURCE_DIR}/lib/dice_parse.y"
+  "${CMAKE_CURRENT_BINARY_DIR}/dice_parse.c"
+  COMPILE_FLAGS "-d"
+  )
+FLEX_TARGET(DICE_LEXER
+  "${CMAKE_CURRENT_SOURCE_DIR}/lib/dice_lexer.l"
+  "${CMAKE_CURRENT_BINARY_DIR}/dice_lexer.c"
+  COMPILE_FLAGS "-P dp"
+  )
+
+ADD_DEFINITIONS("-Wall")
+
+CHECK_FUNCTION_EXISTS("arc4random_uniform" HAVE_ARC4RANDOM_UNIFORM)
+IF (HAVE_ARC4RANDOM_UNIFORM)
+  ADD_DEFINITIONS("-DHAVE_ARC4RANDOM_UNIFORM")
+ELSE()
+  PKG_CHECK_MODULES(BSD REQUIRED libbsd)
+  INCLUDE_DIRECTORIES(${BSD_INCLUDE_DIRS})
+  # used in pkg-config IN file
+  SET(REQUIRES "libbsd")
+ENDIF()
+
+# pkg-config file
+CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/libdice.pc.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/libdice.pc"
+  )
+
+ADD_LIBRARY(${TARGET} SHARED
+  ${SOURCES} ${HEADERS}
+  ${BISON_DICE_PARSER_OUTPUTS}
+  ${FLEX_DICE_LEXER_OUTPUTS}
+  )
+
+IF (NOT HAVE_ARC4RANDOM_UNIFORM)
+  TARGET_LINK_LIBRARIES(${TARGET} ${BSD_LIBRARIES} m)
+ENDIF()
+
+INSTALL(TARGETS ${TARGET} DESTINATION lib)
+INSTALL(FILES ${HEADERS} DESTINATION include)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libdice.pc
+  DESTINATION share/pkgconfig)
+
+ADD_SUBDIRECTORY(tests)

ChangeLog

@@ -0,0 +1,3 @@
+2019-08-19 Florian Stinglmayr <fstinglmayr@gmail.com>
+	* build switch to cmake
+	* release version 0.4

Makefile.am

@@ -1,19 +0,0 @@
-AM_YFLAGS =		-d
-BUILT_SOURCES =		lib/dice_parse.h
-
-lib_LTLIBRARIES =	libdice.la
-libdice_la_SOURCES =	lib/dice_lexer.l \
-			lib/dice_parse.y \
-			lib/dice.h \
-			lib/dice.c \
-			lib/diceexpr.c
-
-include_HEADERS =	lib/dice.h
-
-AM_CFLAGS =		-Ilib
-
-libdice_la_LIBADD =	${BSD_LIBS}
-
-pkgconfig_DATA =	libdice.pc
-
-SUBDIRS	=		. tests

README.md

@@ -28,12 +28,15 @@ supports variable amount, variable sides and fudge dice at the moment:
 * bison
 * flex
 * cmocka >= 1.0.1
+* cmake
 
 To build ``libdice`` run:
 
 ```shell
-$ ./configure --prefix="/usr"
+$ mkdir build; cd build
+$ cmake .. -DCMAKE_INSTALL_PREFIX=/usr
 $ make
+$ make test
 $ sudo make install
 ```
 

autogen.sh

@@ -1,14 +0,0 @@
-#!/bin/sh
-
-set -e
-set -x
-
-cd "$(dirname "$0")"
-
-PATH=$PATH:/usr/local/bin
-
-aclocal $AC_SEARCH_OPTS
-autoconf
-autoreconf --install
-autoheader
-automake --copy --add-missing

build.sh

@@ -1,10 +0,0 @@
-#!/bin/sh
-
-set -e
-set -x
-
-cd "$(dirname "$0")"
-
-./autogen.sh
-./configure "$@"
-make

configure.ac

@@ -1,28 +0,0 @@
-AC_PREREQ([2.69])
-AC_INIT([libdice], [0.1], [florian@n0la.org])
-AM_INIT_AUTOMAKE([subdir-objects])
-LT_INIT()
-AC_CONFIG_HEADERS([config.h])
-
-AC_PROG_CC
-
-AC_PROG_LEX
-AC_PROG_YACC
-
-PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.0.1])
-
-AC_CHECK_HEADER_STDBOOL()
-
-AC_CHECK_FUNCS([arc4random_uniform],,
-   [PKG_CHECK_MODULES([BSD], [libbsd])])
-
-AC_CONFIG_FILES([Makefile tests/Makefile])
-
-AC_SEARCH_LIBS([cos], [m], [], [
-  AC_MSG_ERROR([unable to find the cos() function])
-])
-
-PKG_INSTALLDIR
-AC_CONFIG_FILES([libdice.pc])
-
-AC_OUTPUT

lib/dice.c

@@ -24,18 +24,16 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "config.h"
-
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 #include <bsd/stdlib.h>
 #endif
 
-extern int yylex_init_extra(void *extra, void **state);
+extern int dplex_init_extra(void *extra, void **state);
-extern int yylex_destroy(void *state);
+extern int dplex_destroy(void *state);
-extern void yylex(void *state);
+extern void dplex(void *state);
-extern void yy_switch_to_buffer(void *buffer, void *scanner);
+extern void dp_switch_to_buffer(void *buffer, void *scanner);
-extern void *yy_scan_string(char const *s, void *scanner);
+extern void *dp_scan_string(char const *s, void *scanner);
-extern void yy_delete_buffer(void *b, void *scanner);
+extern void dp_delete_buffer(void *b, void *scanner);
 
 struct dice_
 {
@@ -115,14 +113,14 @@ bool dice_parse(dice_t d, char const *s)
         return false;
     }
 
-    yylex_init_extra(d, &scanner);
+    dplex_init_extra(d, &scanner);
-    buffer = yy_scan_string(s, scanner);
+    buffer = dp_scan_string(s, scanner);
-    yy_switch_to_buffer(buffer, scanner);
+    dp_switch_to_buffer(buffer, scanner);
 
-    ret = yyparse(scanner, d);
+    ret = dpparse(scanner, d);
 
-    yy_delete_buffer(buffer, scanner);
+    dp_delete_buffer(buffer, scanner);
-    yylex_destroy(scanner);
+    dplex_destroy(scanner);
 
     if (ret) {
         return false;

lib/dice_lexer.l

@@ -2,6 +2,7 @@
 %option reentrant
 
 %{
+#define YYSTYPE DPSTYPE
 #include "dice.h"
 #include "dice_parse.h"
 

lib/dice_parse.y

@@ -1,4 +1,5 @@
 %define api.pure full
+%define api.prefix {dp}
 
 %parse-param {void *scanner} {dice_t dice}
 %lex-param {void *scanner}
@@ -6,14 +7,14 @@
 %{
 #include "dice.h"
 
-extern int yylex(void *lval, void *scanner);
+extern int dplex(void *lval, void *scanner);
 
-void yyerror(void *scanner, dice_t dice, char const *err)
+void dperror(void *scanner, dice_t dice, char const *err)
 {
     dice_set(dice, DICEOPTION_ERROR, err);
 }
 
-int yywrap(void)
+int dpwrap(void)
 {
     return 1;
 }

libdice.pc.in

@@ -1,12 +1,11 @@
-prefix=@prefix@
+prefix=@CMAKE_INSTALL_PREFIX@
-exec_prefix=@exec_prefix@
+libdir=lib
-libdir=@libdir@
+includedir=include
-includedir=@includedir@
 
 Name: libdice
 Description: dice rolling and math expression library
-Version: 0.1
+Version: @VERSION@
-Requires:
+Requires: @REQUIRES@
 Conflicts:
 Cflags: -I${includedir}
 Libs: -L${libdir} -ldice

tests/CMakeLists.txt

@@ -0,0 +1,21 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.24)
+PROJECT(libdice)
+
+SET(TESTS
+  "test_dice_evaluate"
+  "test_dice_fudge"
+  "test_dice_parse"
+  "test_dice_simple_roll"
+  "test_expr_parse"
+  )
+
+INCLUDE_DIRECTORIES(
+  "${CMAKE_CURRENT_SOURCE_DIR}/../lib/"
+  ${CMOCKA_INCLUDE_DIRS}
+  )
+
+FOREACH(TEST ${TESTS})
+  ADD_EXECUTABLE(${TEST} ${TEST}.c)
+  TARGET_LINK_LIBRARIES(${TEST} dice ${CMOCKA_LIBRARIES} "m")
+  ADD_TEST(NAME "${TEST}" COMMAND ${TEST})
+ENDFOREACH()

tests/Makefile.am

@@ -1,10 +0,0 @@
-check_PROGRAMS =	test_dice_simple_roll \
-			test_dice_parse \
-			test_dice_evaluate \
-			test_dice_fudge \
-			test_expr_parse
-
-AM_CFLAGS =	-I../lib ${CMOCKA_CFLAGS}
-AM_LDFLAGS =	${CMOCKA_LIBS} ../libdice.la
-
-TESTS =		$(check_PROGRAMS)