meta: multiple refinments

- etc/autobuild/ab3_defcfg.sh: add comment to marking its reference
- arch/(multiple arches): disable PIE for other retro architectures

Author: CamberLoid

arch/loongarch64.sh

@@ -3,3 +3,7 @@
 ##@copyright GPL-2.0+
 
 CFLAGS_GCC_ARCH='-mabi=lp64 -march=loongarch64 -mtune=loongarch64'
+
+# Position-independent executable buildmode is not available on loong64 architecture.
+# Removing for loongarch64 target.
+GOFLAGS=${GOFLGAS/-buildmode=pie/}

arch/loongson2f.sh

@@ -11,3 +11,7 @@ CFLAGS_GCC_ARCH='-mloongson-mmi -Wa,-mfix-loongson2f-nop '
 
 CFLAGS_GCC_OPTI_LTO="${CFLAGS_COMMON_OPTI_LTO} -flto-partition=none "
 LDFLAGS_GCC_OPTI_LTO="${LDFLAGS_COMMON_OPTI_LTO} -mxgot -flto-partition=none "
+
+# Position-independent executable buildmode is not available on any mips architecture.
+# Removing for loongson2f target.
+GOFLAGS=${GOFLGAS/-buildmode=pie/}

arch/powerpc.sh

@@ -8,3 +8,7 @@ CFLAGS_COMMON_OPTI='-Os '
 CFLAGS_GCC_OPTI='-fira-loop-pressure -fira-hoist-pressure '
 
 CFLAGS_COMMON_ARCH=' -m32 -mcpu=G3 -mtune=G4 -mno-altivec -msecure-plt -mhard-float '
+
+# Position-independent executable buildmode is not available on PowerPC 32-bit architecture.
+# Removing for powerpc target.
+GOFLAGS=${GOFLGAS/-buildmode=pie/}

arch/ppc64.sh

@@ -12,3 +12,7 @@ LDFLAGS_GCC_OPTI_LTO="${LDFLAGS_COMMON_OPTI_LTO} -flto-partition=none "
 
 # LLD does not support POWER ABI v1.
 RUSTFLAGS_COMMON_OPTI_LTO='-Clink-arg=-fuse-ld=bfd -Clink-arg=-Wl,-build-id=sha1'
+
+# Position-independent executable buildmode is not available on PowerPC 64-bit 
+# (Big Endian) architecture. Removing for ppc64 target.
+GOFLAGS=${GOFLGAS/-buildmode=pie/}

etc/autobuild/ab3_defcfg.sh

@@ -145,7 +145,7 @@ RECONF=yes
 ABQA=yes
 ABINSTALL="dpkg"
 
-# Golang default build flags
+# Golang default build flags | Adapted from Arch Linux's Go package guildline.
 GOFLAGS+=" -mod=readonly" # Ensure module files are not updated during building process.
 GOFLAGS+=" -trimpath"     # Required for eproducible build.
 GOFLAGS+=" -modcacherw"   # Ensures that go modules creates a write-able path.