main/gcc: unbreak libgcc on uclibc, update musl patches

- refresh all musl patches (gcc_cv_libc_provides_ssp detects now)
- add patch to fix the musl patch so that on uclibc we also use
  gcc_cv_target_dl_iterate_phdr since the sources was changed to
  use this instead of __GLIBC__ defines

main/gcc/APKBUILD

@@ -12,7 +12,7 @@ _cross=""
 	&& _cross="-$CTARGET"
 
 pkgname="$pkgname$_cross"
-pkgrel=4
+pkgrel=5
 pkgdesc="The GNU Compiler Collection"
 url="http://gcc.gnu.org"
 arch="all"
@@ -165,6 +165,7 @@ source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-$pkgver.tar.bz2
 	gcc-4.6-pr32219.patch
 	gcc-4.8-dynamic-linker.patch
 	gcc-4.8-musl.patch
+	gcc-4.8-musl-fix-iteratephdr.patch
 	gcc-4.8-musl-libssp.patch
 	boehm-gc-uclibc.patch
 	boehm-gc-musl.patch
@@ -272,7 +273,6 @@ build() {
 		# alpine musl provides libssp_nonshared.a, so we don't need libssp either
 		_libc_configure="--disable-libssp --disable-libmudflap --disable-libsanitizer"
 		_symvers="--disable-symvers"
-		export gcc_cv_libc_provides_ssp=yes
 		export libat_cv_have_ifunc=no
 		;;
 	uclibc)
@@ -652,7 +652,8 @@ ab83248e10b2bf4b3d9240de0fefb52b  pt_gnu_eh_frame.patch
 6cc2385c5bbd6d0da6eaedd53c8bf547  uclibc-getipinfo.patch
 32e8e4c0e23ed8f5de95a591cb30f1da  gcc-4.6-pr32219.patch
 79d00ee1284fac5192456f7f7d3908aa  gcc-4.8-dynamic-linker.patch
-c45de4791c63d42731dc4c36a84b6717  gcc-4.8-musl.patch
+ae660a0cb265b3115cde8f7efb41f7cc  gcc-4.8-musl.patch
+6e5c32243a86ff35b7b47d18c95b31bd  gcc-4.8-musl-fix-iteratephdr.patch
 60de2c9f78f00b8b0ba5d24fb44ea592  gcc-4.8-musl-libssp.patch
 2c6cb49bb9bfd8b6e690222e66ccc901  boehm-gc-uclibc.patch
 ea2749b1337a5d850a8f463071cc4747  boehm-gc-musl.patch
@@ -686,7 +687,8 @@ da6bbb5dc654d5e1df8ecae5c9ebb56265426c405931f14f5878248b8c79f78d  51_all_libiber
 53184f842477569973c232dac7c85e71b0018cbe5c4962f95dd9e0273f42083e  uclibc-getipinfo.patch
 89207a8b62137a857ee2c43499d6b5247d37b530d1338844dbb330a6846b2ad2  gcc-4.6-pr32219.patch
 f3863b997acf8fdf5ad1d3626b41a8a0670b896505e9b7afb517916c7599fb1c  gcc-4.8-dynamic-linker.patch
-d3e3c305d5da95703f53d615f901912ada9395e3ccf3670435d28d5409dfa956  gcc-4.8-musl.patch
+847075eb79c94e062ab8fb566f3bbea007875e2fde6fe2ddf51a18e731796a67  gcc-4.8-musl.patch
+151c11c3303233e6ff06e27aa6dc889140bc46a7b5e4870587c40e37d36ede2c  gcc-4.8-musl-fix-iteratephdr.patch
 ce0168ce009d77ce5831cb71739675cad6d68283b6e57fa8f2e559d65502022d  gcc-4.8-musl-libssp.patch
 02751ccf223dcfc898c0ce2214cd0859d275e90b742f1a66e38db5c50f94b38c  boehm-gc-uclibc.patch
 6adcddbc9d52b4e39878155bc7ff0114c322e0f05c0c82dff8c06c7278313f73  boehm-gc-musl.patch
@@ -720,7 +722,8 @@ d08d7ead2de0429e5c9055d5b029ec2be9a8c821d22cecaf9b51f633652c493333f98963d9267fa2
 e3edf75df1f27af8771bd263e1bd607f6207c4eb5b2a5e11032577deba43ea201825e3b5008a720105f24e49d2821dd77a61c7ceba7ed91b3621c0dbd9292fc6  uclibc-getipinfo.patch
 9fc5e32f2573ae67b6cf22119d636d10a47c42718635bceff7d457a93a3f664ae1ed10e154f70964ba2d26b0de04f879a8c05de6411112760d40433373dd0a80  gcc-4.6-pr32219.patch
 db84b6582950378116723116be4f277881f7bdd05add216c58c2b86c0fb3a70abeb7798507a74a64b9b949d5b311167bd4df84a048d2d2d32f5836ea1d34c42e  gcc-4.8-dynamic-linker.patch
-42b05a87f8785d3dc4ba6c5cd8d1e7b5fb119aef9cb59523ac695b8c7c910edc7d428ea4f2f1080e1f53f990a8d6070d3f0025cc02b4418f230493b7672c94d6  gcc-4.8-musl.patch
+12871b62d31a8e524547f2f0b37e711bae027aaadc487d893f8dc4cef2c2fee09f5c558cd7e1d28e0c687bc3be0465d1088c5ef7b87e8ac43ac06d86dc455761  gcc-4.8-musl.patch
+b5b0210dfaccfe0b06f0a9090666b1fae2a3faa4140b7930146b29531f0da9beb1f2c1f7e7bc2bd29179f9fe05dc30e246e96220b8ff75a90f75e8350c9058a1  gcc-4.8-musl-fix-iteratephdr.patch
 701c79ea7b90e622facb16fc71902aec25c443e376d675fc3f07cd55eff7a6b95ca365b2c60fff1dad3c3dc02b96c4c2ebbb45e4d2895496137e060443ae3e79  gcc-4.8-musl-libssp.patch
 e1d6a450dfb40b134ad7f759c4c10174d2490b0093fe47cb33479245f26a3a8c54ebcf6255943c0ccfcb5095600d1c05e530baeed35609c8ffe75caac8e57c49  boehm-gc-uclibc.patch
 7db904f83546edb4f7e54d3eaa0a8ab3235bca69e03a35000f083d26626bff92713f73150935c89f51e47c952bf29c36ec7d2fc8fedcde38048975e3e590faf9  boehm-gc-musl.patch

main/gcc/gcc-4.8-musl-fix-iteratephdr.patch

+--- gcc-4.8.1/gcc/configure.ac.orig	2013-09-25 04:08:25.046595893 +0000
++++ gcc-4.8.1/gcc/configure.ac	2013-09-25 04:09:06.023263205 +0000
+@@ -4822,7 +4822,7 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
+-  *-linux-musl*)
++  *-linux-musl* | *-linux-uclibc* | *-linux-gnu*)
+     gcc_cv_target_dl_iterate_phdr=yes
+     ;;
+ esac
+--- gcc-4.8.1/gcc/configure.orig	2013-09-25 04:08:17.826596392 +0000
++++ gcc-4.8.1/gcc/configure	2013-09-25 04:09:24.393263387 +0000
+@@ -26923,7 +26923,7 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
+-  *-linux-musl*)
++  *-linux-musl* | *-linux-uclibc* | *-linux-gnu*)
+     gcc_cv_target_dl_iterate_phdr=yes
+     ;;
+ esac