update versions, reduce file sizes

.travis.yml.script

@@ -9,17 +9,19 @@ if [[ -z "$target" ]]; then
 fi
 
 declare -A versions
-versions[binutils]=2.27
-versions[gcc]=6.3.0
+versions[binutils]=2.28.1
+versions[gcc]=7.2.0
 versions[musl]=1.1.17
-versions[gmp]=6.1.1
+versions[gmp]=6.1.2
 versions[mpc]=1.0.3
-versions[mpfr]=3.1.4
+versions[mpfr]=3.1.5
+versions[isl]=0.18
 versions[linux]=4.4.10
 
 printf 'TARGET = %s\n' "$target" > config.mak
 
 printf 'COMMON_CONFIG += --disable-nls\n' >> config.mak
+printf 'COMMON_CONFIG += CFLAGS="-g0 -Os" CXXFLAGS="-g0 -Os" LDFLAGS="-s"\n' >> config.mak
 printf 'GCC_CONFIG += --enable-languages=c,c++\n' >> config.mak
 printf 'GCC_CONFIG += --disable-libquadmath --disable-decimal-float\n' >> config.mak
 printf 'GCC_CONFIG += --disable-multilib\n' >> config.mak
@@ -30,6 +32,7 @@ printf 'MUSL_VER = %s\n' "${versions[musl]}" >> config.mak
 printf 'GMP_VER = %s\n' "${versions[gmp]}" >> config.mak
 printf 'MPC_VER = %s\n' "${versions[mpc]}" >> config.mak
 printf 'MPFR_VER = %s\n' "${versions[mpfr]}" >> config.mak
+printf 'ISL_VER = %s\n' "${versions[isl]}" >> config.mak
 printf 'LINUX_VER = %s\n' "${versions[linux]}" >> config.mak
 
 mkdir -p log

hashes/binutils-2.28.1.tar.bz2.sha1

@@ -0,0 +1 @@
+3f476ce73a729f56c2802c6dcd54e49b156a6e99  binutils-2.28.1.tar.bz2

hashes/gcc-7.2.0.tar.xz.sha1

@@ -0,0 +1 @@
+08a88199ed94fdf4940d118ba3c07028245cd5b7  gcc-7.2.0.tar.xz

hashes/gmp-6.1.2.tar.bz2.sha1

@@ -0,0 +1 @@
+366ded6a44cd108ba6b3f5b9a252eab3f3a95cdf  gmp-6.1.2.tar.bz2

hashes/isl-0.18.tar.bz2.sha1

@@ -0,0 +1 @@
+bbffc5a2b05e4f0c97e882f96c448504491dc4ed  isl-0.18.tar.bz2

hashes/mpfr-3.1.5.tar.bz2.sha1

@@ -0,0 +1 @@
+874e84bb5959fd5a19c032cfb5d673dded4b5cff  mpfr-3.1.5.tar.bz2