[PATCH] libgcrypt: fix building error with '-O2' in sysroot path

Characters like '-O2' or '-Ofast' will be replaced by '-O1' when
compiling cipher and random in the filesystem paths as well if
they happen to contain '-O2' or '-Ofast

If we are cross compiling libgcrypt and sysroot contains such
characters, we would
get compile errors because the sysroot path has been modified.

Fix this by adding blank spaces before and after the original matching
pattern in the
sed command.

Signed-off-by: simit.ghane <[email protected]>
---
 cipher/Makefile.am | 2 +-
 random/Makefile.am | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cipher/Makefile.am b/cipher/Makefile.am
index 2c39586ea3..ff91bed52c 100644
--- a/cipher/Makefile.am
+++ b/cipher/Makefile.am
@@ -168,7 +168,7 @@ gost-s-box$(EXEEXT_FOR_BUILD): gost-s-box.c
 
 
 if ENABLE_O_FLAG_MUNGING
-o_flag_munging = sed -e 's/-O\([2-9sgz][2-9sgz]*\)/-O1/' -e 's/-Ofast/-O1/g'
+o_flag_munging = sed -e 's/ -O\([2-9sgz][2-9sgz]*\) / -O1 /' -e 's/ -Ofast / -O1 /g'
 else
 o_flag_munging = cat
 endif
diff --git a/random/Makefile.am b/random/Makefile.am
index 0c935a0595..12a9427125 100644
--- a/random/Makefile.am
+++ b/random/Makefile.am
@@ -56,7 +56,7 @@ jitterentropy-base.c jitterentropy.h jitterentropy-base-user.h
 
 # The rndjent module needs to be compiled without optimization.  */
 if ENABLE_O_FLAG_MUNGING
-o_flag_munging = sed -e 's/-O\([1-9sgz][1-9sgz]*\)/-O0/g' -e 's/-Ofast/-O0/g'
+o_flag_munging = sed -e 's/ -O\([2-9sgz][2-9sgz]*\) / -O1 /' -e 's/ -Ofast / -O1 /g'
 else
 o_flag_munging = cat
 endif
-- 
2.34.1