Date: Sat, 5 Jan 2013 21:34:36 +0000 From: "b.f." <bf1783@googlemail.com> To: awarecons <awarecons@gmail.com>, freebsd-ports@freebsd.org Subject: Re: print/acroreadwrapper and gcc 4.6.3 ISSUE Message-ID: <CAGFTUwMHNLt8z3=UAfkDKuvXvDeK-0XhGOhXKsqZpEdLBBmzEw@mail.gmail.com>
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> Building for acroreadwrapper-0.0.20110920 > Warning: Object directory not changed from original > /usr/ports/print/acroreadwrapper/work/linux_adobe_kmod-20110920 > @ -> /usr/src/sys > machine -> /usr/src/sys/i386/include > x86 -> /usr/src/sys/x86/include > gcc46 -O2 -pipe -march=pentium4 -mtune=pentium4 > -Wl,-rpath=/usr/local/lib/gcc46 -fno-strict-aliasing -march=pentium4 > -mtune=pentium4 -Werror -D_KERNEL -DKLD_MODULE -nostdinc -I. -I@ > -I@/contrib/altq -finline-limit=8000 --param inline-unit-growth=100 > --param large-function-growth=1000 -fno-common > -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-sse -mno-mmx > -msoft-float -ffreestanding -fstack-protector -std=iso9899:1999 > -fstack-protector -Wall -Wredundant-decls -Wnested-externs > -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline > -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions > -Wmissing-include-dirs -fdiagnostics-show-option -c linux_adobe.c > cc1: error: unrecognized command line option '-mno-align-long-strings' > cc1: error: unrecognized command line option '-fformat-extensions' > *** Error code 1 > > Stop in /usr/ports/print/acroreadwrapper/work/linux_adobe_kmod-20110920. > *** Error code 1 > > Stop in /usr/ports/print/acroreadwrapper. > > But gcc 4.2+ works fine. It seems that all the *kmod* ports/parts have > 4.2 'origin' and can't be properly compiled with higher versions of > gcc or clang. > They use base system makefiles to build the kernel modules, which use various kernel flags, including some FreeBSD-specific ones, for consistency. You can override CWARNFLAGS from kern.mk, but you should be careful when mixing toolchains for kernel modules. You are going to find a lot of ports that fail to build with non-default toolchains. If you can suggest small, reasonable changes that make it possible to do so, then submit PRs. b.
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