Bug#812620: libsdl2-image: FTBFS - format not a string literal and no format arguments

[Michael Tautschnig]

Package: libsdl2-image
Version: 2.0.0+dfsg-3
Severity: serious
Usertags: goto-cc

During a rebuild of all Debian packages in a clean sid chroot (using cowbuilder
and pbuilder) the build failed with the following error.

[...]
/bin/bash ./libtool  --tag=CC   --mode=compile gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_image\" -DVERSION=\"2.0.0\" -DLOAD_JPG=1 -DLOAD_PNG=1 -DLOAD_TIF=1 -DLOAD_WEBP=1 -DLOAD_BMP=1 -DLOAD_GIF=1 -DLOAD_LBM=1 -DLOAD_PCX=1 -DLOAD_PNM=1 -DLOAD_TGA=1 -DLOAD_XCF=1 -DLOAD_XPM=1 -DLOAD_XV=1 -I.   -Wdate-time  -I/usr/include/libpng12 -g -O0 -fstack-protector-strong -Wformat -Werror=format-security -pipe -Wall -D_REENTRANT -I/usr/include/SDL2 -c -o IMG_lbm.lo IMG_lbm.c
libtool: compile:  gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_image\" -DVERSION=\"2.0.0\" -DLOAD_JPG=1 -DLOAD_PNG=1 -DLOAD_TIF=1 -DLOAD_WEBP=1 -DLOAD_BMP=1 -DLOAD_GIF=1 -DLOAD_LBM=1 -DLOAD_PCX=1 -DLOAD_PNM=1 -DLOAD_TGA=1 -DLOAD_XCF=1 -DLOAD_XPM=1 -DLOAD_XV=1 -I. -Wdate-time -I/usr/include/libpng12 -g -O0 -fstack-protector-strong -Wformat -Werror=format-security -pipe -Wall -D_REENTRANT -I/usr/include/SDL2 -c IMG_lbm.c  -fPIC -DPIC -o .libs/IMG_lbm.o
IMG_lbm.c: In function 'IMG_LoadLBM_RW':
IMG_lbm.c:479:9: error: format not a string literal and no format arguments [-Werror=format-security]
         IMG_SetError( error );
         ^
cc1: some warnings being treated as errors
Makefile:599: recipe for target 'IMG_lbm.lo' failed


The full build log is attached; please do let me know if the problem is
unreproducible, in which case I shall try to investigate further.

Best,
Michael
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