Bug#839602: hyperrogue: FTBFS on hppa - Please add -mlong-calls to CXXFLAGS

[Markus Koschany]

Control: tags -1 pending

On 02.10.2016 19:47, John David Anglin wrote:
> Source: hyperrogue
> Version: 8.3j+dfsg-2
> Severity: normal
> 
> Dear Maintainer,
> 
> The hyperrogue package failed to build on hppa:
> https://buildd.debian.org/status/fetch.php?pkg=hyperrogue&arch=hppa&ver=8.3j%2Bdfsg-2&stamp=1475425250
> 
> The following link error is caused by the stub table overflowing:
> g++ savepng-loc.o hyper.o -o hyper -lSDL -lSDL_ttf -lSDL_mixer -lSDL_gfx -g -O2 -fdebug-prefix-map=/<<BUILDDIR>>/hyperrogue-8.3j+dfsg=. -Wformat -Werror=format-security -O0 -Wdate-time -D_FORTIFY_SOURCE=2  -lGL -lpng
> /usr/bin/ld: hyper.o(.text._ZNSt6vectorIN4elec10chargedataESaIS1_EEC2Ev[_ZNSt6vectorIN4elec10chargedataESaIS1_EEC5Ev]+0x2c): cannot reach 00001377__ZNSt12_Vector_baseIN4elec10chargedataESaIS1_EEC2Ev+0, recompile with -ffunction-sections
> /usr/bin/ld: hyper.o(.text._ZNSt6vectorIN4elec10chargedataESaIS1_EEC2Ev[_ZNSt6vectorIN4elec10chargedataESaIS1_EEC5Ev]+0x2c): cannot handle R_PARISC_PCREL17F for _ZNSt12_Vector_baseIN4elec10chargedataESaIS1_EEC2Ev
> /usr/bin/ld: final link failed: Bad value
> 
> This can be avoided by adding "-mlong-calls" to CXXFLAGS on hppa.
> 
> In debian/rules, we have:
> 
> DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
> WEAK_HOSTS := arm64 hppa
> 
> # Use less optimization on architectures that FTBFS otherwise
> ifneq (,$(findstring $(DEB_HOST_ARCH),$(WEAK_HOSTS)))
> export DEB_CXXFLAGS_MAINT_APPEND=-O0
> endif
> 
> The "-O0" doesn't actually do much on arm64 and hppa as it is overriden by
> the default "-O2" optimization.  I had a successful build by adding -mlong-calls
> to DEB_CXXFLAGS_MAINT_APPEND.

Hi,

thanks for getting in touch with us and providing a patch for hppa. I
will upload a new revision with your suggested -mlong-calls option
shortly. The -O0 optimization flag had an impact on arm64 though and
without it the build would still FTBFS. The -O0 comes after the default
compiler flag.

Regards,

Markus

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