diff options
Diffstat (limited to 'gnu/packages/patches/bc-fix-cross-compilation.patch')
| -rw-r--r-- | gnu/packages/patches/bc-fix-cross-compilation.patch | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/gnu/packages/patches/bc-fix-cross-compilation.patch b/gnu/packages/patches/bc-fix-cross-compilation.patch new file mode 100644 index 0000000000..14dfecdbde --- /dev/null +++ b/gnu/packages/patches/bc-fix-cross-compilation.patch @@ -0,0 +1,171 @@ +Patch taken from nix. + +commit fdda59736ddc048cf38a2c7103f4f5d9eeaf995e +Author: Ben Gamari <ben@smart-cactus.org> +Date: Tue Oct 17 10:51:34 2017 -0400 + + Try implementing cross-compilation + +diff --git a/bc/Makefile.am b/bc/Makefile.am +index d9d412e..fdef633 100644 +--- a/bc/Makefile.am ++++ b/bc/Makefile.am +@@ -17,6 +17,7 @@ MAINTAINERCLEANFILES = Makefile.in bc.c bc.h scan.c \ + + AM_CPPFLAGS = -I$(srcdir) -I$(srcdir)/../h + LIBBC = ../lib/libbc.a ++LIBBC_HOST = ../lib/libbc_host.a + LIBL = @LEXLIB@ + LDADD = $(LIBBC) $(LIBL) @READLINELIB@ + +@@ -29,12 +30,20 @@ $(PROGRAMS): libmath.h $(LIBBC) + scan.o: bc.h + global.o: libmath.h ++ ++main_host.c : main.c ++ cp $< $@ + +-fbcOBJ = main.o bc.o scan.o execute.o load.o storage.o util.o warranty.o ++fbcOBJ = $(addsuffix _host,main.o bc.o scan.o execute.o load.o storage.o util.o warranty.o) ++ ++%.o_host : CC:=$(CC_FOR_BUILD) ++ ++%.o_host : %.c ++ $(COMPILE) -c $(CFLAGS) $(INCLUDES) -o $@ $< + +-libmath.h: libmath.b $(fbcOBJ) $(LIBBC) ++libmath.h: libmath.b $(fbcOBJ) $(LIBBC_HOST) + echo '{0}' > libmath.h +- $(MAKE) global.o +- $(LINK) -o fbc $(fbcOBJ) global.o $(LIBBC) $(LIBL) $(READLINELIB) $(LIBS) ++ $(MAKE) global.o_host ++ $(CC_FOR_BUILD) -o fbc $(fbcOBJ) global.o_host $(LIBBC_HOST) $(LIBL) ${READLINELIB} $(LIBS) + ./fbc -c $(srcdir)/libmath.b </dev/null >libmath.h + $(srcdir)/fix-libmath_h + rm -f ./fbc ./global.o +diff --git a/configure.ac b/configure.ac +index fc74573..5cabb73 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -20,6 +20,7 @@ m4_define([dc_version], 1.4.1) + + AC_INIT([bc],[bc_version]) + AC_CONFIG_SRCDIR(doc/bc.1) ++AC_CONFIG_MACRO_DIR([m4]) + AM_INIT_AUTOMAKE([dist-bzip2]) + AC_CONFIG_HEADERS(config.h) + +@@ -35,6 +36,7 @@ AC_DEFINE([DC_COPYRIGHT], + [Define the dc copyright line.]) + + AC_PROG_CC ++AX_CC_FOR_BUILD + AC_USE_SYSTEM_EXTENSIONS + + AM_PROG_LEX +diff --git a/lib/Makefile.am b/lib/Makefile.am +index ec4bf59..c670f5b 100644 +--- a/lib/Makefile.am ++++ b/lib/Makefile.am +@@ -1,5 +1,5 @@ + ## Process this file with automake to produce Makefile.in +-noinst_LIBRARIES = libbc.a ++noinst_LIBRARIES = libbc.a libbc_host.a + + AM_CPPFLAGS = -I. -I.. -I$(srcdir)/../h + +@@ -24,3 +24,11 @@ testmul: testmul.o number.o + + specialnumber: newnumber.o + cp newnumber.o number.o ++ ++%.o_host : CC:=$(CC_FOR_BUILD) ++%.o_host : %.c ++ $(COMPILE) -c $(CFLAGS) $(INCLUDES) -o $@ $< ++ ++libbc_host.a : $(addsuffix _host,$(libbc_a_OBJECTS)) ++ ar cru $@ $+ ++ ranlib $@ +diff --git a/m4/cc_for_build.m4 b/m4/cc_for_build.m4 +new file mode 100644 +index 0000000..c62ffad +--- /dev/null ++++ b/m4/cc_for_build.m4 +@@ -0,0 +1,77 @@ ++# =========================================================================== ++# https://www.gnu.org/software/autoconf-archive/ax_cc_for_build.html ++# =========================================================================== ++# ++# SYNOPSIS ++# ++# AX_CC_FOR_BUILD ++# ++# DESCRIPTION ++# ++# Find a build-time compiler. Sets CC_FOR_BUILD and EXEEXT_FOR_BUILD. ++# ++# LICENSE ++# ++# Copyright (c) 2010 Reuben Thomas <rrt@sc3d.org> ++# Copyright (c) 1999 Richard Henderson <rth@redhat.com> ++# ++# This program is free software: you can redistribute it and/or modify it ++# under the terms of the GNU General Public License as published by the ++# Free Software Foundation, either version 3 of the License, or (at your ++# option) any later version. ++# ++# This program is distributed in the hope that it will be useful, but ++# WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General ++# Public License for more details. ++# ++# You should have received a copy of the GNU General Public License along ++# with this program. If not, see <https://www.gnu.org/licenses/>. ++# ++# As a special exception, the respective Autoconf Macro's copyright owner ++# gives unlimited permission to copy, distribute and modify the configure ++# scripts that are the output of Autoconf when processing the Macro. You ++# need not follow the terms of the GNU General Public License when using ++# or distributing such scripts, even though portions of the text of the ++# Macro appear in them. The GNU General Public License (GPL) does govern ++# all other use of the material that constitutes the Autoconf Macro. ++# ++# This special exception to the GPL applies to versions of the Autoconf ++# Macro released by the Autoconf Archive. When you make and distribute a ++# modified version of the Autoconf Macro, you may extend this special ++# exception to the GPL to apply to your modified version as well. ++ ++#serial 3 ++ ++dnl Get a default for CC_FOR_BUILD to put into Makefile. ++AC_DEFUN([AX_CC_FOR_BUILD], ++[# Put a plausible default for CC_FOR_BUILD in Makefile. ++if test -z "$CC_FOR_BUILD"; then ++ if test "x$cross_compiling" = "xno"; then ++ CC_FOR_BUILD='$(CC)' ++ else ++ CC_FOR_BUILD=gcc ++ fi ++fi ++AC_SUBST(CC_FOR_BUILD) ++# Also set EXEEXT_FOR_BUILD. ++if test "x$cross_compiling" = "xno"; then ++ EXEEXT_FOR_BUILD='$(EXEEXT)' ++else ++ AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext, ++ [rm -f conftest* ++ echo 'int main () { return 0; }' > conftest.c ++ bfd_cv_build_exeext= ++ ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5 ++ for file in conftest.*; do ++ case $file in ++ *.c | *.o | *.obj | *.ilk | *.pdb) ;; ++ *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;; ++ esac ++ done ++ rm -f conftest* ++ test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no]) ++ EXEEXT_FOR_BUILD="" ++ test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext} ++fi ++AC_SUBST(EXEEXT_FOR_BUILD)])dnl |