The AC_EGREP_CPP macro is looking for a 'yes' string that is likely to be found in the path where the file is stored. This false positive match causes variables to be mistakenly set.
The fix is to use a more elaborated string instead. This has to be done at the configure and the configure.ac files, because a reconfigure does not happen in the regular build flow. [YOCTO #6614] Signed-off-by: Benjamin Esquivel <benjamin.esqui...@linux.intel.com> --- ...thin-the-path-sets-wrong-config-variables.patch | 245 +++++++++++++++++++++ meta/recipes-core/glibc/glibc_2.21.bb | 1 + 2 files changed, 246 insertions(+) create mode 100644 meta/recipes-core/glibc/glibc/0001-yes-within-the-path-sets-wrong-config-variables.patch diff --git a/meta/recipes-core/glibc/glibc/0001-yes-within-the-path-sets-wrong-config-variables.patch b/meta/recipes-core/glibc/glibc/0001-yes-within-the-path-sets-wrong-config-variables.patch new file mode 100644 index 0000000..827e980 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0001-yes-within-the-path-sets-wrong-config-variables.patch @@ -0,0 +1,245 @@ +'yes' within the path sets wrong config variables + +It seems that the 'AC_EGREP_CPP(yes...' example is quite popular +but being such a short word to grep it is likely to produce +false-positive matches with the path it is configured into. + +The change is to use a more elaborated string to grep for. + +Upstream-Status: Submitted [libc-al...@sourceware.org] + +Signed-off-by: Benjamin Esquivel <benjamin.esqui...@linux.intel.com> +--- +diff --git a/sysdeps/aarch64/configure b/sysdeps/aarch64/configure +index 5bd355a..3bc5537 100644 +--- a/sysdeps/aarch64/configure ++++ b/sysdeps/aarch64/configure +@@ -148,12 +148,12 @@ else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext + /* end confdefs.h. */ + #ifdef __AARCH64EB__ +- yes ++ is_aarch64_be + #endif + + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "is_aarch64_be" >/dev/null 2>&1; then : + libc_cv_aarch64_be=yes + else + libc_cv_aarch64_be=no +diff --git a/sysdeps/aarch64/configure.ac b/sysdeps/aarch64/configure.ac +index 7851dd4..6e92381 100644 +--- a/sysdeps/aarch64/configure.ac ++++ b/sysdeps/aarch64/configure.ac +@@ -10,8 +10,8 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. + # the dynamic linker via %ifdef. + AC_CACHE_CHECK([for big endian], + [libc_cv_aarch64_be], +- [AC_EGREP_CPP(yes,[#ifdef __AARCH64EB__ +- yes ++ [AC_EGREP_CPP(is_aarch64_be,[#ifdef __AARCH64EB__ ++ is_aarch64_be + #endif + ], libc_cv_aarch64_be=yes, libc_cv_aarch64_be=no)]) + if test $libc_cv_aarch64_be = yes; then +diff --git a/sysdeps/arm/configure b/sysdeps/arm/configure +index 45667cc..0b2ef11 100644 +--- a/sysdeps/arm/configure ++++ b/sysdeps/arm/configure +@@ -150,12 +150,12 @@ else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext + /* end confdefs.h. */ + #ifdef __ARM_PCS_VFP +- yes ++ use_arm_pcs_vfp + #endif + + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "use_arm_pcs_vfp" >/dev/null 2>&1; then : + libc_cv_arm_pcs_vfp=yes + else + libc_cv_arm_pcs_vfp=no +diff --git a/sysdeps/arm/configure.ac b/sysdeps/arm/configure.ac +index 002b8ef..e1746a7 100644 +--- a/sysdeps/arm/configure.ac ++++ b/sysdeps/arm/configure.ac +@@ -16,8 +16,8 @@ dnl it. Until we do, don't define it. + # the dynamic linker via %ifdef. + AC_CACHE_CHECK([whether the compiler is using the ARM hard-float ABI], + [libc_cv_arm_pcs_vfp], +- [AC_EGREP_CPP(yes,[#ifdef __ARM_PCS_VFP +- yes ++ [AC_EGREP_CPP(use_arm_pcs_vfp,[#ifdef __ARM_PCS_VFP ++ use_arm_pcs_vfp + #endif + ], libc_cv_arm_pcs_vfp=yes, libc_cv_arm_pcs_vfp=no)]) + if test $libc_cv_arm_pcs_vfp = yes; then +diff --git a/sysdeps/mips/configure b/sysdeps/mips/configure +index 4e13248..f14af95 100644 +--- a/sysdeps/mips/configure ++++ b/sysdeps/mips/configure +@@ -143,11 +143,11 @@ else + /* end confdefs.h. */ + dnl + #ifdef __mips_nan2008 +-yes ++use_mips_nan2008 + #endif + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "use_mips_nan2008" >/dev/null 2>&1; then : + libc_cv_mips_nan2008=yes + else + libc_cv_mips_nan2008=no +diff --git a/sysdeps/mips/configure.ac b/sysdeps/mips/configure.ac +index bcbdaff..ad3057f 100644 +--- a/sysdeps/mips/configure.ac ++++ b/sysdeps/mips/configure.ac +@@ -6,9 +6,9 @@ dnl position independent way. + dnl AC_DEFINE(PI_STATIC_AND_HIDDEN) + + AC_CACHE_CHECK([whether the compiler is using the 2008 NaN encoding], +- libc_cv_mips_nan2008, [AC_EGREP_CPP(yes, [dnl ++ libc_cv_mips_nan2008, [AC_EGREP_CPP(use_mips_nan2008, [dnl + #ifdef __mips_nan2008 +-yes ++use_mips_nan2008 + #endif], libc_cv_mips_nan2008=yes, libc_cv_mips_nan2008=no)]) + if test x$libc_cv_mips_nan2008 = xyes; then + AC_DEFINE(HAVE_MIPS_NAN2008) +diff --git a/sysdeps/nios2/configure b/sysdeps/nios2/configure +index 14c8a3a..dde3814 100644 +--- a/sysdeps/nios2/configure ++++ b/sysdeps/nios2/configure +@@ -142,12 +142,12 @@ else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext + /* end confdefs.h. */ + #ifdef __nios2_big_endian__ +- yes ++ is_nios2_be + #endif + + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "is_nios2_be" >/dev/null 2>&1; then : + libc_cv_nios2_be=yes + else + libc_cv_nios2_be=no +diff --git a/sysdeps/nios2/configure.ac b/sysdeps/nios2/configure.ac +index f05f438..dc86399 100644 +--- a/sysdeps/nios2/configure.ac ++++ b/sysdeps/nios2/configure.ac +@@ -4,8 +4,8 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. + # Nios II big endian is not yet supported. + AC_CACHE_CHECK([for big endian], + [libc_cv_nios2_be], +- [AC_EGREP_CPP(yes,[#ifdef __nios2_big_endian__ +- yes ++ [AC_EGREP_CPP(is_nios2_be,[#ifdef __nios2_big_endian__ ++ is_nios2_be + #endif + ], libc_cv_nios2_be=yes, libc_cv_nios2_be=no)]) + if test $libc_cv_nios2_be = yes; then +diff --git a/sysdeps/unix/sysv/linux/mips/configure b/sysdeps/unix/sysv/linux/mips/configure +index 83f8b13..2b6cbee 100644 +--- a/sysdeps/unix/sysv/linux/mips/configure ++++ b/sysdeps/unix/sysv/linux/mips/configure +@@ -387,11 +387,11 @@ else + /* end confdefs.h. */ + dnl + #ifdef __mips_nan2008 +-yes ++use_mips_nan2008 + #endif + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "use_mips_nan2008" >/dev/null 2>&1; then : + libc_cv_mips_nan2008=yes + else + libc_cv_mips_nan2008=no +diff --git a/sysdeps/unix/sysv/linux/mips/configure.ac b/sysdeps/unix/sysv/linux/mips/configure.ac +index 5039ec9..1035f76 100644 +--- a/sysdeps/unix/sysv/linux/mips/configure.ac ++++ b/sysdeps/unix/sysv/linux/mips/configure.ac +@@ -98,9 +98,9 @@ AC_COMPILE_IFELSE( + LIBC_CONFIG_VAR([mips-mode-switch],[${libc_mips_mode_switch}]) + + AC_CACHE_CHECK([whether the compiler is using the 2008 NaN encoding], +- libc_cv_mips_nan2008, [AC_EGREP_CPP(yes, [dnl ++ libc_cv_mips_nan2008, [AC_EGREP_CPP(use_mips_nan2008, [dnl + #ifdef __mips_nan2008 +-yes ++use_mips_nan2008 + #endif], libc_cv_mips_nan2008=yes, libc_cv_mips_nan2008=no)]) + + libc_mips_nan= +diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure +index 70bb18a..ffd9e3e 100644 +--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure ++++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure +@@ -155,12 +155,12 @@ else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext + /* end confdefs.h. */ + #if _CALL_ELF == 2 +- yes ++ use_ppc_elfv2_abi + #endif + + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "use_ppc_elfv2_abi" >/dev/null 2>&1; then : + libc_cv_ppc64_elfv2_abi=yes + else + libc_cv_ppc64_elfv2_abi=no +@@ -188,12 +188,12 @@ else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext + /* end confdefs.h. */ + #ifdef _CALL_ELF +- yes ++ is_def_call_elf + #endif + + _ACEOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | +- $EGREP "yes" >/dev/null 2>&1; then : ++ $EGREP "is_def_call_elf" >/dev/null 2>&1; then : + libc_cv_ppc64_def_call_elf=yes + else + libc_cv_ppc64_def_call_elf=no +diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac +index 0822915..9a32fdd 100644 +--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac ++++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac +@@ -6,8 +6,8 @@ LIBC_SLIBDIR_RTLDDIR([lib64], [lib64]) + # Define default-abi according to compiler flags. + AC_CACHE_CHECK([whether the compiler is using the PowerPC64 ELFv2 ABI], + [libc_cv_ppc64_elfv2_abi], +- [AC_EGREP_CPP(yes,[#if _CALL_ELF == 2 +- yes ++ [AC_EGREP_CPP(use_ppc_elfv2_abi,[#if _CALL_ELF == 2 ++ use_ppc_elfv2_abi + #endif + ], libc_cv_ppc64_elfv2_abi=yes, libc_cv_ppc64_elfv2_abi=no)]) + if test $libc_cv_ppc64_elfv2_abi = yes; then +@@ -19,8 +19,8 @@ else + # Compiler that do not support ELFv2 ABI does not define _CALL_ELF + AC_CACHE_CHECK([whether the compiler defines _CALL_ELF], + [libc_cv_ppc64_def_call_elf], +- [AC_EGREP_CPP(yes,[#ifdef _CALL_ELF +- yes ++ [AC_EGREP_CPP(is_def_call_elf,[#ifdef _CALL_ELF ++ is_def_call_elf + #endif + ], libc_cv_ppc64_def_call_elf=yes, libc_cv_ppc64_def_call_elf=no)]) + if test $libc_cv_ppc64_def_call_elf = no; then +-- +1.8.4.5 + diff --git a/meta/recipes-core/glibc/glibc_2.21.bb b/meta/recipes-core/glibc/glibc_2.21.bb index 1ef494b..6a9e482 100644 --- a/meta/recipes-core/glibc/glibc_2.21.bb +++ b/meta/recipes-core/glibc/glibc_2.21.bb @@ -24,6 +24,7 @@ SRC_URI = "git://sourceware.org/git/glibc.git;branch=${BRANCH} \ file://fix_am_rootsbindir.patch \ file://0001-Add-unused-attribute.patch \ file://0001-When-disabling-SSE-also-make-sure-that-fpmath-is-not.patch \ + file://0001-yes-within-the-path-sets-wrong-config-variables.patch \ ${EGLIBCPATCHES} \ " EGLIBCPATCHES = "\ -- 1.8.4.5 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core